新颖CdMoO4/g-C3N4复合材料的制备及其可见光增强的电荷分离和光催化活性（英文）
作者：
柴波;闫俊涛;范国枝;宋光森;王春蕾
期刊：
催化学报 ,2020年(01):190-199 ISSN：0253-9837
作者机构：
武汉轻工大学动物营养与饲料科学湖北省重点实验室;武汉轻工大学化学与环境工程学院
关键词：
CdMoO4/g-C3N4复合物;异质结;电荷分离;可见光;光催化活性
摘要：
半导体光催化技术因其能够完全矿化和降解废水以及废气中的各种有机和无机污染物而受到越来越多研究者关注.尽管TiO2作为光催化剂显示了良好的应用前景,但其只对紫外光响应,该部分能量大约仅占太阳光谱的5%,从而限制了其实际应用.因此,开发新型可见光响应光催化剂成为光催化领域的研究焦点之一.石墨相氮化碳（g-C3N4）作为一种光催化材料,由于具有良好的热和化学稳定性以及可见光响应而备受关注.然而,单纯的g-C3N4由于光生电荷载流子易复合,光催化效果并不理想.为进一步提高g-C3N4的光催化活性,构建g-C3N4基异质结复合光催化材料被认为是增强g-C3N4光生电子-空穴分离效率的有效方法. CdMoO4作为一种光催化材料,与g-C3N4匹配的能带有利于光生电子-空穴的分离,从而提高g-C3N4的光催化活性.本文通过便利的原位沉淀-煅烧过程,制备了新颖的Cd MoO4/g-C3N4异质复合光催化材料.复合材料的晶相构成、形貌、表面化学组分和光学特性等通过相应的分析测试手段进行表征.光催化活性通过可见光下催化降解罗丹明B水溶液来评价.结果显示,将CdMoO4沉积在g-C3N4表面形成复合材料可明显提高光催化活性,且当CdMoO4含量为4.8wt%时达到最佳的光催化活性.这种显著增强的光催化活性可能是由于Cd MoO4/g-C3N4复合物能够有效地传输和分离光生电荷载流子,从而抑制了光生电子-空穴的复合.电化学阻抗、瞬态光电流和稳定荧光光谱测试结果证实,通过Cd MoO4与g-C3N4复合可有效增强电荷分离效率.此外,活性物捕获实验表明,在光催化过程中空穴（h+）和超氧自由基（?O2-）是主要活性物种.根据莫托-肖特基实验并结合紫外-可见漫反射吸收光谱,得到了单纯g-C3N4和CdMoO4的能带结构,提出了形成的II型异质结有助于增强光催化活性的机理.
语种：
中文
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Preparation of electrolyzed oxidizing water by TiO2 doped IrO2-Ta2O5 electrode with high selectivity and stability for chlorine evolution
作者：
Deng, Li;Liu, Yi;Zhao, Gan;Chen, Jiahao;He, Shufan;...
期刊：
Journal of Electroanalytical Chemistry ,2019年832:459-466 ISSN：1572-6657
通讯作者：
Ren, Zhandong
作者机构：
[Deng, Li; He, Shufan; Zhu, Yuchan; Liu, Yi; Chai, Bo; Chen, Jiahao; Ren, Zhandong; Zhao, Gan] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Ren, Zhandong] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
Chlorine;Cyclic voltammetry;Decomposition;Iridium compounds;Scanning electron microscopy;Sodium chloride;Tantalum oxides;Titanium dioxide;Viruses;Chlorine content;Chlorine evolution;Electrolyzed oxidizing water;Oxygen evolution reaction;Service lifetime;Electrochemical electrodes
摘要：
Electrolyzed oxidizing water (EO water) is a new disinfectant, which has been proved to possess the high bactericidal efficiency against a wide variety of microorganisms ranging from bacteria to viruses. EO water is generated by electrolysis of an extremely dilute NaCl solution. Therefore, it is necessary to enhance the selectivity of chlorine evolution reaction (CER), which the oxygen evolution side reaction (OER) needs to be minimized. In the present study, the TiO2 doped IrO2-Ta2O5 (IrO2-Ta2O5-TiO2) electrode was prepared by the thermal decomposition method. X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray fluorescence (XRF) characterizations were employed to study the performances the IrO2-Ta2O5-TiO2 electrode. The electrochemical behaviors and actives of the IrO2-Ta2O5-TiO2 electrode coupled with the IrO2-Ta2O5 electrode was investigated using cyclic voltammetry (CV) and linear sweep voltammetry (LSV). Furthermore, the selectivity of CER was analyzed through the potential difference between the CER and OER at a constant current density to illustrate the discrepancy in available chlorine content (ACC) of two kinds of oxide electrodes in the EO water preparation. In addition, the accelerated service lifetime of the IrO2-Ta2O5-TiO2 electrode was also discussed in this article. © 2018 Elsevier B.V.
语种：
英文
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材料化学专业创新创业人才培养模式改革探索
作者：
柴波;杨晓鸿;张剑
期刊：
创新创业理论研究与实践 ,2019年2(23):102-103 ISSN：2096-5206
作者机构：
武汉轻工大学化学与环境工程学院,湖北武汉 430023;[张剑; 柴波; 杨晓鸿] 武汉轻工大学
关键词：
材料化学;创新创业;人才培养
摘要：
在高等学校创新创业教育改革的背景下,对武汉轻工大学材料化学专业创新创业人才培养模式从人才培养方案修订,教学方法、教学手段和教学内容改革,实施本科生导师制等措施进行了一些改革和探索,期望为其他高等学校创新创业教育改革提供一些借鉴。
语种：
中文
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电纺法构筑高光催化活性的Z型TiO_2/g-C_3N_4/RGO三元异质结
作者：
Hu, Liming;Yan, Juntao* ;Wang, Chunlei;Chai, Bo;Li, Jianfen*
期刊：
催化学报 ,2019年40(3):458-469 ISSN：0253-9837
通讯作者：
Yan, Juntao;Li, Jianfen
作者机构：
[Li, Jianfen; Wang, Chunlei; Hu, Liming; Chai, Bo; Yan, Juntao] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Yan, JT; Li, JF] W;Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
会议名称：
Chinese Symposium on Photocatalytic Materials (CSPM)
会议时间：
JUL 26-29, 2018
会议地点：
Wuhan Univ Technol, Wuhan, PEOPLES R CHINA
会议主办单位：
Wuhan Univ Technol
关键词：
Electrospinning;Photocatalysis;Ternary heterojunction;Z-scheme TiO2/g-C3N4/RGO
摘要：
A series of Z-scheme TiO2/g-C3N4/RGO ternary heterojunction photocatalysts are successfully constructed via a direct electrospinning technique coupled with an annealing process for the first time. They are investigated comprehensively in terms of crystal structure, morphology, composition, specific surface area, photoelectrochemical properties, photodegradation performance, etc. Compared with binary TiO2/g-C3N4 and single-component photocatalysts, ternary heterojunction photocatalysts show the best photodegradation performance for RhB under stimulated sunlight. This can be attributed to the enlarged specific surface area (111.41 m2/g), the formation of Z-scheme heterojunction, and the high separation migration efficiency of photoexcited charge carriers. A potential Z-scheme mechanism for ternary heterojunction photocatalysts is proposed to elucidate the remarkably ameliorated photocatalytic performance based on active species trapping experiments, PL detection test of hydroxyl radicals, and photoelectrochemical properties.
语种：
英文
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A silicon-doped iridium electrode prepared by magnetron-sputtering as an advanced electrocatalyst for overall water splitting in acidic media
作者：
Ren, Zhandong* ;Jin, Lingzhi;Deng, Li;Ming, Ruoxi;Zhang, Ailian;...
期刊：
Sustainable Energy & Fuels ,2019年3(9):2321-2328 ISSN：2398-4902
通讯作者：
Ren, Zhandong;Zhu, Yuchan
作者机构：
[Jin, Lingzhi; Deng, Li; Zhu, Yuchan; Ming, Ruoxi; Ren, Zhandong; Zhu, YC; Zhou, Xiaorong; Chai, Bo; Zhang, Ailian] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Ren, ZD; Zhu, YC] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
摘要：
With increasing demands for clean and renewable energy, electrocatalytic water splitting is considered as the most promising procedure of hydrogen production. Pt is the best catalyst for the hydrogen evolution reaction (HER). However, the low oxygen evolution reaction (OER) activity of Pt prevents it from becoming a bifunctional catalyst in practical application. Ir-based electrocatalysts with good OER activities are expected to become the most promising bifunctional catalysts once their HER activities are improved. Herein, we report a simple synthesis of a Si-doped Ir electrode using magnetron sputtering. The physical and electrochemical characterization of the materials is achieved by scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray fluorescence (XRF), X-ray diffraction (XRD) and X-ray photoelectron spectrometry (XPS). The electrochemical catalytic activity of the Si-doped Ir electrode toward the HER is demonstrated for the first time. Cyclic voltammetry (CV) curves reveal that the addition of Si can improve the utilization rate of Ir and result in a large electrochemical surface area (ESA). The overpotential of the Si-doped Ir electrode for the HER (eta = 114 mV, 50 mA cm(-2)) is obviously lower than that of an Ir electrode (eta = 148 mV, 50 mA cm(-2)) and very close to that of a Pt electrode (eta = 106 mV, 50 mA cm(-2)). The mass specific activity of the Si-doped Ir electrode exceeds that of an Ir electrode by a factor of ca. 2 at an overpotential of eta = 200 mV. The superior HER activity of the Si-doped Ir electrode could be attributed to the electronic structure modification of Ir by the interaction effect with Si as studied through XPS analysis. Moreover, the Tafel slope of 36.5 mV dec(-1) suggests that the mechanism for the Si-doped Ir electrode-catalyzed HER is Volmer-Tafel, in which the recombination of two adsorbed hydrogen atoms is the rate-determining step. In addition, the OER activity of the Si-doped Ir electrode outperforms that of an Ir electrode, which enables the Si-doped Ir electrode to be used as a bifunctional catalyst for overall water electrolysis.
语种：
英文
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Amorphous MoS2 decorated on uniform Cd0.8Zn0.2S microspheres with dramatically improved photocatalytic hydrogen evolution performance
作者：
Chai, Bo;Yan, Juntao;Fan, Guozhi;Song, Guangsen* ;Wang, Chunlei
期刊：
NEW JOURNAL OF CHEMISTRY ,2019年43(20):7846-7854 ISSN：1144-0546
通讯作者：
Song, Guangsen
作者机构：
[Wang, Chunlei; Song, Guangsen; Chai, Bo; Yan, Juntao; Fan, Guozhi] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Song, Guangsen] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
cadmium derivative;lactic acid;microsphere;molybdenum complex;reagent;sulfur derivative;zinc derivative;Article;chemical composition;crystal structure;hydrogen evolution;impedance spectroscopy;light;measurement;morphology;photocatalysis;priority journal;quantum chemistry;Raman spectrometry;surface area;X ray diffraction;X ray photoemission spectroscopy
摘要：
A series of Cd1-xZnxS solid solutions and samples of amorphous MoS2 decorated on Cd1-xZnxS microspheres were successfully prepared. The crystal phases, morphologies, elemental distribution, chemical compositions, optical properties, and specific surface areas of the as-fabricated samples were investigated by the corresponding measurement techniques. The photocatalytic H2 evolution activities of the MoS2/Cd1-xZnxS composites were explored and compared using lactic acid as a sacrificial reagent. The results manifested that 5 wt% MoS2 loaded on the surface of the Cd0.8Zn0.2S solid solution could attain the highest photocatalytic H2 evolution rate of 12.39 mmol g-1 h-1, corresponding to an apparent quantum efficiency (AQE) of about 16.5% under 420 nm monochromatic light. The electrochemical impedance spectroscopy (EIS), transient photocurrent response and photoluminescence (PL) spectroscopy experiments confirmed that MoS2 as a cocatalyst could promote the transfer and separation of photogenerated charge carriers on the Cd0.8Zn0.2S solid solution. In addition, amorphous MoS2 decorated on the Cd0.8Zn0.2S sample showed a much better performance than that of crystalline MoS2. This could be because amorphous MoS2 possessed more abundant active sites than its crystalline counterpart. Based on the energy band positions of Cd0.8Zn0.2S and MoS2, a tentative mechanism for the enhanced photocatalytic H2 evolution activity was proposed. © 2019 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
语种：
英文
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In-situ construction of Bi2SiO5/BiOBr heterojunction with significantly improved photocatalytic activity under visible light
作者：
Chai, Bo;Yan, Juntao;Fan, Guozhi;Song, Guangsen* ;Wang, Chunlei
期刊：
Journal of Alloys and Compounds ,2019年802:301-309 ISSN：0925-8388
通讯作者：
Song, Guangsen
作者机构：
[Wang, Chunlei; Song, Guangsen; Chai, Bo; Yan, Juntao; Fan, Guozhi] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Song, Guangsen] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
Band structure;Bismuth compounds;Charge carriers;Chemical analysis;Electrochemical impedance spectroscopy;Heterojunctions;Ion exchange;Light;Optical properties;Photocatalysis;Photoluminescence spectroscopy;Rhodium compounds;Semiconductor quantum wells;Silicon compounds;Chemical compositions;In-situ construction;Ion-exchange strategy;Photocatalytic performance;Transient photocurrents;Type II hetero junctions;Visible light;Visible-light irradiation;Photocatalytic activity
摘要：
To further improve the light response range and photocatalytic activity of Bi2SiO5, the Bi2SiO5/BiOBr type-II heterojunction photocatalysts were constructed by in-situ partial ion exchange strategy using Bi2SiO5 as precursor. The crystal phases, morphologies, chemical compositions, optical properties and textural structures of as-synthesized Bi2SiO5/BiOBr photocatalysts were characterized by the corresponding analytical techniques. The photocatalytic activities of samples were evaluated by degrading Rhodamine B (RhB) solution under visible light irradiation. The results showed that the Bi2SiO5/BiOBr heterojunction photocatalysts significantly improved the photocatalytic performances, which would be ascribed to the extended light response, enhanced adsorption capacity, matched energy band structures and intimate interface contact. Construction of Bi2SiO5/BiOBr heterojunction facilitated the separation and transfer of photoexcited charge carriers, which were verified by the electrochemical impedance spectroscopy (EIS), transient photocurrent response and steady photoluminescence spectroscopy (PL) measurements. This work would offer a new insight into the design and preparation of Bi2SiO5-based heterojunction photocatalysts for the removal of organic contaminant. © 2019 Elsevier B.V.
语种：
英文
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In-situ synthesis of WO3 nanoplates anchored on g-C3 N4 Z-scheme photocatalysts for significantly enhanced photocatalytic activity
作者：
Chai, Bo* ;Liu, Chun;Yan, Juntao;Ren, Zhandong;Wang, Zhou-jun
期刊：
Applied Surface Science ,2018年448:1-8 ISSN：0169-4332
通讯作者：
Chai, Bo
作者机构：
[Chai, Bo; Liu, Chun; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.;[Wang, Zhou-jun] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
Charge carriers;Composites;Separation;Z-scheme
摘要：
The Z-scheme photocatalysts of WO3/g-C3N4 composites with WO3 nanoplates anchored on the surface of g-C3N4 were synthesized by in-situ acidic precipitation and following calcination procedure. The resultant photocatalysts were characterized by various analytical techniques. This face-to-face intimate contact between g-C3N4 and plate-like WO3 not only increases the interfacial contact areas, but also facilitates the transfer and separation of photogenerated charge carriers. The photocatalytic activities of degradation Rhodamine (RhB) solution over WO3/g-C3N4 composites were evaluated under visible light irradiation. The enhanced photocatalytic activity of WO3/g-C3N4 composite could be attributed to the formation of the Z-scheme heterojunction system based on the active species trapping and hydroxyl radicals photoluminescence (PL) detection experiments. Furthermore, electrochemical impedance spectroscopy (EIS) and transient photocurrent measurements confirm the more efficient separation and transfer of photogenerated charge carriers on the WO3/g-C3N4 composite than that of pure WO3 or g-C3N4. This work would provide new insights into the design and preparation of face-to-face contact heterojunction photocatalysts for organic contaminant removal.
语种：
英文
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Bi_2MoO_6/Ag_3PO_4复合光催化剂的制备及其光催化性能
作者：
徐梦秋;柴波;闫俊涛;王春蕾;任占冬
期刊：
硅酸盐学报 ,2018年46(1):93-100 ISSN：0454-5648
通讯作者：
Chai, B.
作者机构：
[徐梦秋; 柴波; 闫俊涛; 王春蕾; 任占冬] School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
通讯机构：
School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, China
关键词：
钼酸铋;磷酸银;复合光催化剂;光催化降解;罗丹明B
摘要：
以片状的Bi_2MoO_6为前驱物,通过原位化学沉淀法制备了Bi_2MoO_6/Ag_3PO_4复合光催化剂,考察了其光催化降解罗丹明B(RhB)的活性。研究表明:Bi_2MoO_6和Ag_3PO_4复合可显著提高光催化活性,Bi_2MoO_6和Ag_3PO_4匹配的能级结构有利于光生电子和空穴的分离,延长光生载流子的寿命;当Bi_2MoO_6的质量分数为35%时,复合光催化剂具有最佳的光催化活性。
语种：
中文
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One-step hydrothermal preparation of MoS2 loaded on CdMoO4/CdS hybrids for efficient photocatalytic hydrogen evolution
作者：
Chai, Bo* ;Xu, Mengqiu;Wang, Chunlei;Yan, Juntao;Ren, Zhandong
期刊：
Catalysis Communications ,2018年110:10-13 ISSN：1566-7367
通讯作者：
Chai, Bo
作者机构：
[Xu, Mengqiu; Wang, Chunlei; Chai, Bo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
Charge carriers;Composite;Photocatalytic H2 evolution;Separation
摘要：
CdMoO<inf>4</inf>/CdS@MoS<inf>2</inf>ternary composite with MoS<inf>2</inf>anchoring on the surface of CdMoO<inf>4</inf>/CdS were synthesized by a one-step hydrothermal approach and characterized by the corresponding techniques. The photocatalytic H<inf>2</inf>evolution activities were measured and compared with lactic acid as a sacrificial reagent. The results showed that the CdMoO<inf>4</inf>/CdS@MoS<inf>2</inf>ternary composite exhibited more efficient photocatalytic H<inf>2</inf>evolution activity than those of CdMoO<inf>4</inf>/CdS, MoS<inf>2</inf>/CdMoO<inf>4</inf>, and MoS<inf>2</inf>/CdS binary composites. The significantly improved photocatalytic H<inf>2</inf>evolution activity could be attributed to more effective separation of photogenerated charge carriers over the CdMoO<inf>4</inf>/CdS@MoS<inf>2</inf>ternary composite.<br/> ©2018 Elsevier B.V.
语种：
英文
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Solvothermal fabrication of MoS2 anchored on ZnIn2S4 microspheres with boosted photocatalytic hydrogen evolution activity
作者：
Liu, Chun;Chai, Bo* ;Wang, Chunlei;Yan, Juntao;Ren, Zhandong
期刊：
International Journal of Hydrogen Energy ,2018年43(14):6977-6986 ISSN：0360-3199
通讯作者：
Chai, Bo
作者机构：
[Wang, Chunlei; Liu, Chun; Chai, Bo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
Charge transfer;Fabrication;Hydrogen;Indium compounds;Lactic acid;Layered semiconductors;Light;Microspheres;Optical properties;Photocatalysts;Photoluminescence;Zinc compounds;Characterization measurement;Co catalysts;Photocatalytic activities;Photocatalytic H2 evolution;Photocatalytic hydrogen evolution;Photoluminescence spectrum;Solvothermal fabrications;Visible-light response photocatalyst;Molybdenum compounds
摘要：
The MoS2/ZnIn2S4 composites with MoS2 anchored on the surface of ZnIn2S4 microspheres were fabricated by a facile solvothermal method. To clarify the crystal phases, morphologies, chemical compositions, optical properties, and special surface areas of the obtained photocatalysts, the corresponding characterization measurements were performed. The photocatalytic H2 evolution activities of MoS2/ZnIn2S4 composites were evaluated and compared with using lactic acid as sacrificial reagents. The results showed that integrating MoS2 with ZnIn2S4 could remarkably boost the photocatalytic H2 evolution performance and the maximum H2 evolution rate of 201 μmol h−1 was achieved over 1 wt% MoS2 loading on the ZnIn2S4, corresponding to the apparent quantum efficiency (AQE) about 3.08% at 420 nm monochromatic light. The photoelectrochemical tests and photoluminescence spectra (PL) versified that the efficient charge transfer and separation were achieved over MoS2/ZnIn2S4 composite in contrast with single ZnIn2S4, which would significantly benefit the enhancement of photocatalytic H2 activity. This work provides a desired strategy to design and synthesize the visible-light-response photocatalysts with MoS2 as cocatalysts to enhance the photocatalytic activity. © 2018 Hydrogen Energy Publications LLC
语种：
英文
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Preparation and photocatalytic activity of TiO2-loaded Ti3C2 with small interlayer spacing
作者：
Luo, Qiang* ;Chai, Bo;Xu, Mengqiu;Cai, Qizhou
期刊：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING ,2018年124(7):1-8 ISSN：0947-8396
通讯作者：
Luo, Qiang
作者机构：
[Luo, Qiang] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430048, Hubei, Peoples R China.;[Xu, Mengqiu; Chai, Bo] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.;[Cai, Qizhou] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Mould Technol, Wuhan 430074, Hubei, Peoples R China.
通讯机构：
[Luo, Qiang] W;Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430048, Hubei, Peoples R China.
摘要：
TiO2-loaded Ti3C2 with small interlayer spacing [TiO2/Ti3C2(SIS)] was successfully synthesized through hydrothermal treatment and subsequent calcination under argon atmosphere. The phase composition, morphology and photophysical properties of Ti3C2, TiO2 and TiO2/Ti3C2(SIS) were investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FSEM), transmission electron microscopy (TEM), UV–Vis spectrophotometry and fluorescence spectrophotometer, respectively. Furthermore, the photocatalytic activities of Ti3C2, TiO2 and TiO2/Ti3C2(SIS) were measured through monitoring photodegradation of methylene blue (MB) under ultraviolet (UV) light irradiation. The results showed that TiO2/Ti3C2(SIS) had an interfacial heterojunction between TiO2 and Ti3C2 with small interlayer spacing, leading to obviously improved optical absorbability and light quantum efficiency. Furthermore, the results of photocatalytic experiment indicated that TiO2/Ti3C2(SIS) exhibited significantly improved photocataytic activity compared with Ti3C2 and TiO2.
语种：
英文
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Effect of electrode material and electrolysis process on the preparation of electrolyzed oxidizing water
作者：
Ming, Ruoxi;Zhu, Yuchan;Deng, Li;Zhang, Ailian;Wang, Ju;...
期刊：
NEW JOURNAL OF CHEMISTRY ,2018年42(14):12143-12151 ISSN：1144-0546
通讯作者：
Ren, Zhandong
作者机构：
[Deng, Li; Zhu, Yuchan; Ming, Ruoxi; Wang, Ju; Chai, Bo; Zhang, Ailian; Han, Yongqi; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Ren, Zhandong] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
electrolyzed oxidizing water;iridium;oxidizing agent;platinum;ruthenium;unclassified drug;water;Article;chemical parameters;current density;electrolysis;energy consumption;heating;instrument sterilization;ion exchange;lifespan;physical parameters;priority journal;temperature
摘要：
Electrolyzed oxidizing water (EO water) bactericide is an indirect electrochemical sterilization technology, which is characterized by broad-spectrum, rapid and powerful sterilization. EO water, with a certain amount of available chlorine content (ACC), is generated by electrolysis of an extremely dilute NaCl solution. It is very important to study the preparation process of EO water, including electrode material and electrolytic process. In this paper, the effect of electrode material (platinum, iridium or ruthenium) on the physical and chemical parameters of EO water was investigated first. The effect of electrode composition and roasting temperature on the ACC of EO water was rigorously analyzed. The sterilization effect of EO water produced by different electrode materials was further discussed. In addition, the accelerated service lifetime of the electrode and exchange electrode polarity electrolysis were also investigated. Next, for the electrolysis process, the effects of ion exchange membrane type, current density and electrolyte concentration on the ACC of EO water, anode current efficiency and energy consumption were also studied. Finally, the stability of EO water, that is, the influence of illumination, heating and stirring on the physical and chemical parameters of EO water, was also observed in detail. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2018.
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Treatment of Wastewater Containing Nickel by Electrocoagulation Process Using Photovoltaic Energy
作者：
Zhang, Shunxi* ;Yang, Xiaohong;Cheng, Qunpeng;Wang, Mei;Hu, Chun;...
期刊：
ENVIRONMENTAL ENGINEERING SCIENCE ,2018年35(5):484-492 ISSN：1092-8758
通讯作者：
Zhang, Shunxi
作者机构：
[Cheng, Qunpeng; Li, Jianfen; Zhang, Shunxi; Chai, Bo; Wang, Mei; Hu, Chun; Yang, Xiaohong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Zhang, Shunxi] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
关键词：
electrocoagulation;heavy metal;photovoltaic energy;renewable energy;wastewater containing nickel
摘要：
Abstract To avoid deficiencies of traditional electrocoagulation process, electrocoagulation process powered by renewable photovoltaic energy has been directly used to remove nickel from wastewater. Results show that under the solar irradiation intensity (SII) of 750 ± 30 W/m2, aluminum electrode has higher nickel removal efficiency (NRE) than graphite and titanium, and its NRE is nearly 100% in 40 min. An optimum distance of 20 mm is determined for the electrode gap. NRE in 40 min nearly decreases from 99.6% to 78.8% when initial Ni2+ concentration increases from 100 to 300 mg/L. Under the SII of 610 ± 40 W/m2, solution containing SO42− of 3.4 mmol/L gets the highest NRE, while wastewater containing Cl− of 6.8 mmol/L has the lowest. Furthermore, effluent, including SO42− of 1.7 and Cl− of 3.4 mmol/L, shows a higher NRE too. NRE in 40 min increases when output power of the photovoltaic panel changes from 30 to 90 W, but doesn't show an obviously increasing tendency when the power improves further to 120 W. NRE for a fine day is the highest and is 100% in 40 min. However, its energy utilization efficiency is the lowest, but the saving cost is the most. In addition, MAl, Ct, and Ca sharply increase with the SII enhancing. Therefore, for some enterprises or regions with serious environmental burden and insufficient economic input, this process will provide an effective alternative approach to remove heavy metals from wastewater in a renewable and low-cost way.
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Enhanced photocatalytic activity of electrospun nanofibrous TiO2 /g-C3 N4 heterojunction photocatalyst under simulated solar light
作者：
Wang, Chunlei;Hu, Liming;Chai, Bo;Yan, Juntao* ;Li, Jianfen*
期刊：
Applied Surface Science ,2018年430:243-252 ISSN：0169-4332
通讯作者：
Yan, Juntao;Li, Jianfen
作者机构：
[Li, Jianfen; Wang, Chunlei; Hu, Liming; Chai, Bo; Yan, Juntao] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Yan, JT; Li, JF] W;Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
会议名称：
2nd International Workshop on Graphene and C3N4-Based Photocatalysts (IWGCP2)
会议时间：
MAR 24-27, 2017
会议地点：
Wuhan Univ Technol, Wuhan, PEOPLES R CHINA
会议主办单位：
Wuhan Univ Technol
关键词：
Electrospinning;Electrospun nanofibrous;Heterojunction;Photocatalytic activity;TiO 2 /g-C 3 N 4
摘要：
Electrospun nanofibrous TiO<inf>2</inf>/g-C<inf>3</inf>N<inf>4</inf>heterojunction photocatalysts with different TiO<inf>2</inf>content have been synthesized via a facile electrospinning and subsequent in situ evaporation and calcination process for the first time, which are examined in terms of morphology, component content, optical properties, PL spectra, photocurrent response, EIS measurement, photocatalytic activity and mechanism. SEM images exhibit TiO<inf>2</inf>/g-C<inf>3</inf>N<inf>4</inf>-4 heterojunction photocatalyst possesses the excellent 1D structure. HRTEM and element mapping images confirm the formation of heterojunction structure. DRS tests identify that TiO<inf>2</inf>/g-C<inf>3</inf>N<inf>4</inf>-4 heterojunction exhibits the intensitive absorption in both UV and visible light region. The photoelectrochemical tests prove that the recombination between electrons and holes are effectively inhibited. Based on TG analysis and photodegradation experiments, TiO<inf>2</inf>/g-C<inf>3</inf>N<inf>4</inf>-4 heterojunction photocatalyst with TiO<inf>2</inf>content of 29.30 wt% possesses the best photocatalytic degradation efficiency for the RhB among the g-C<inf>3</inf>N<inf>4</inf>, TiO<inf>2</inf>and their mixture under simulated sunlight irradiation. Moreover, 1D morphology of TiO<inf>2</inf>/g-C<inf>3</inf>N<inf>4</inf>-4 heterojunction photocatalyst is in favor of separating from solution for reuse and transferring the electrons, and maintains a very high photocatalytic degradation efficiency of 96% even after four recycles experiments, which is beneficial for practical application.<br/> ©2017 Elsevier B.V.
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英文
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Remarkably enhanced photocatalytic hydrogen evolution over MoS2 nanosheets loaded on uniform CdS nanospheres
作者：
Chai, Bo* ;Xu, Mengqiu;Yan, Juntao;Ren, Zhandong
期刊：
Applied Surface Science ,2018年430:523-530 ISSN：0169-4332
通讯作者：
Chai, Bo
作者机构：
[Xu, Mengqiu; Chai, Bo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.
会议名称：
2nd International Workshop on Graphene and C3N4-Based Photocatalysts (IWGCP2)
会议时间：
MAR 24-27, 2017
会议地点：
Wuhan Univ Technol, Wuhan, PEOPLES R CHINA
会议主办单位：
Wuhan Univ Technol
关键词：
Charge separation;Cocatalyst;MoS 2 /CdS composite;Photocatalytic H 2 evolution activity
摘要：
The MoS<inf>2</inf>/CdS composites with layered MoS<inf>2</inf>loaded on uniform CdS nanospheres were synthesized by a two-step process combination hydrothermal and solvothermal treatments, and then applied in photocatalytic hydrogen evolution under visible light irradiation. The as-prepared samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectrometer (EDS), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), Raman spectra, UV–vis diffuse reflectance absorption spectra (UV-DRS), nitrogen adsorption-desorption measurement, photoluminescence spectra (PL) and photoelectrochemical tests. The effects of loading contents of MoS<inf>2</inf>in the composites on the photocatalytic H<inf>2</inf>evolution activity were comparatively investigated with 0.45 mol L<sup>−1</sup>Na<inf>2</inf>S and 0.55 mol L<sup>−1</sup>Na<inf>2</inf>SO<inf>3</inf>as sacrificial agents. The results showed that the 5 wt% MoS<inf>2</inf>/CdS composite could achieve the highest photocatalytic H<inf>2</inf>evolution rate of 372 μmol h<sup>−1</sup>and apparent quantum efficiency (AQE) about 7.31% under 420 nm monochromatic light irradiation. The remarkably enhanced photocatalytic activity of MoS<inf>2</inf>/CdS composite could be attributed to the effective transfer and separation of photogenerated charge carriers, and MoS<inf>2</inf>being as a cocatalyst to facilitating photocatalytic H<inf>2</inf>evolution reaction. A tentative mechanism of MoS<inf>2</inf>/CdS composites as photocatalysts for H<inf>2</inf>evolution was proposed.<br/> ©2017
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Electrospinning direct synthesis of magnetic ZnFe2O4/ZnO multi-porous nanotubes with enhanced photocatalytic activity
作者：
Wang, Chunlei;Tan, Xing;Yan, Juntao* ;Chai, Bo;Li, Jianfen* ;...
期刊：
Applied Surface Science ,2017年396:780-790 ISSN：0169-4332
通讯作者：
Yan, Juntao;Li, Jianfen
作者机构：
[Li, Jianfen; Wang, Chunlei; Chai, Bo; Yan, Juntao] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Peoples R China.;[Tan, Xing] Wuhan Polytech Univ, Coll Biol & Pharmaceut Engn, Wuhan 430023, Peoples R China.;[Chen, Shizhong] Wuhan Polytech Univ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Yan, JT; Li, JF] W;Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Electrospinning;Magnetic;Multi-porous nanotube;Photocatalytic activity;ZnFe 2 O 4 /ZnO
摘要：
Magnetic ZnFe<inf>2</inf>O<inf>4</inf>/ZnO (ZFO/ZnO) multi-porous nanotubes have been first fabricated via a facile electrospinning and subsequent calcination process. A series of ZFO/ZnO photocatalysts with different ZFO molar content and morphologies are also obtained by varying the molar ratio of Zn/Fe metal salt and its dosage. The morphology, composition, crystal structure and specific surface area of achieved photocatalysts are systematically examined. TEM images demonstrate ZFO/ZnO-3 multi-porous nanotubes possess perfect 1D nanotube profile with hierarchical pores. HRTEM images confirm the formation of ZFO/ZnO heterojunctions. DRS spectra show that ZFO/ZnO-3 multi-porous nanotubes exhibit an enhanced absorption both in UV and visible-light region. PL spectra and photocurrent responses of ZFO/ZnO-3 multi-porous nanotube demonstrated that the photogenerated electrons and holes are effectively separated. Above all, ZFO/ZnO-3 multi-porous nanotubes photocatalysts with a larger specific surface area of 57.79 m<sup>2</sup> g<sup>−1</sup>exhibit the best photocatalytic efficiency of 99% after 150 min under the solar irradiation for the decolorization of RhB. Moreover, ZFO/ZnO photocatalysts not only possess magnetic separation property, but also keep a relatively high photocatalytic efficiency even after four cycles, which is beneficial for practical application. In addition, both the formation and potential photocatalytic mechanisms of ZFO/ZnO-3 multi-porous nanotubes are proposed in detail. ©2016 Elsevier B.V.
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英文
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大学生创新活动基地建设和运行管理机制研究
作者：
张剑;张开诚;梅运军;柴波
期刊：
武汉轻工大学学报 ,2017年36(2):118-121 ISSN：2095-7386
作者机构：
武汉轻工大学 化学与环境工程学院,湖北 武汉,430023;[张剑; 柴波; 张开诚; 梅运军] 武汉轻工大学
关键词：
人才培养;创新基地;运行机制;管理模式
摘要：
创新活动基地是组织和引导大学生开展科技创新活动的重要平台。本文从基地建设、政策保障、管理体制、激励办法、创新成效等方面总结了武汉轻工大学化学与环境工程学院大学生创新活动基地的建设和运行管理经验。实践证明,加强大学生创新活动基地建设和管理,能够促进创新基地活动与教学、科研的融合,提高大学生的创新意识和创新能力。
语种：
中文
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High-efficiency electrochemical hydrogen evolution based on the intermetallic Pt2Si compound prepared by magnetron-sputtering
作者：
Zhu, Yuchan;Yuan, Min;Deng, Li;Ming, Ruoxi;Zhang, Ailian;...
期刊：
RSC Advances ,2017年7(3):1553-1560 ISSN：2046-2069
通讯作者：
Ren, Zhandong
作者机构：
[Deng, Li; Zhu, Yuchan; Yuan, Min; Ming, Ruoxi; Chai, Bo; Zhang, Ailian; Ren, Zhandong; Yang, Ming] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Ren, Zhandong] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
摘要：
The development of highly active and stable electrocatalysts for the hydrogen evolution reaction (HER) is central to the area of renewable energy. Si nanocomposites exhibited high efficiency in a light-induced hydrogen evolution reaction. However, there are few reports on the experimental application of the electrochemical HER. Herein, we report a simple synthesis of an intermetallic Pt<inf>2</inf>Si electrode using magnetron sputtering (MS) synthesis. The physical and electrochemical characterization of the materials was achieved by scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray fluorescence (XRF), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). Herein, the electrochemical catalytic activity towards the HER of an intermetallic Pt<inf>2</inf>Si MS (IM-Pt<inf>2</inf>Si-MS) electrode is demonstrated for the first time. Cyclic voltammetry (CV) curves reveal that the H underpotential deposition (H-UPD) peaks of the IM-Pt<inf>2</inf>Si-MS electrode shift to higher potentials than those of a Pt electrode, which indicates that hydrogen is more easily adsorbed on the Pt<inf>2</inf>Si surface. Thus, the IM-Pt<inf>2</inf>Si-MS electrode exhibited a higher HER activity than that of a Pt electrode in 0.5 M H<inf>2</inf>SO<inf>4</inf>solution through linear sweep voltammetry (LSV). This is attributed to the electronic structure modification of Pt and the synergistic effect of the Pt-Si binary alloy in the IM-Pt<inf>2</inf>Si-MS electrode. In addition, the Tafel slope of 30.5 mV dec<sup>-1</sup>indicates that the mechanism for the Pt<inf>2</inf>Si-catalyzed HER is Volmer-Tafel, for which the combined desorption of hydrogen is the rate-limiting step. ©The Royal Society of Chemistry.
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英文
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IrO2-TiO2 electrocatalysts for the hydrogen evolution reaction in acidic water electrolysis without activation
作者：
Yuan, Min;Zhu, Yuchan;Deng, Li;Ming, Ruoxi;Zhang, Ailian;...
期刊：
NEW JOURNAL OF CHEMISTRY ,2017年41(14):6152-6159 ISSN：1144-0546
通讯作者：
Ren, Zhandong
作者机构：
[Deng, Li; Yuan, Min; Zhu, Yuchan; Ming, Ruoxi; Chai, Bo; Zhang, Ailian; Li, Wenyang; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Ren, Zhandong] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
hydrogen;iridium;iridium oxide;titanium dioxide;unclassified drug;water;Article;catalysis;catalyst;cyclic potentiometry;decomposition;electrochemical analysis;electrochemical impedance spectroscopy;electrochemistry;electrode;electrolysis;hydrogen evolution;hysteresis;particle size;potentiometry;priority journal;scanning electron microscopy;surface area;temperature;X ray diffraction;X ray fluorescence
摘要：
The development of highly active and long-term stable electrocatalysts for the hydrogen evolution reaction (HER) is very important. Because of the hysteresis phenomenon, IrO2 is rarely used as a cathode material for the HER. Herein, an IrO2-TiO2 composite oxide was prepared using the thermal decomposition method. The physical and electrochemical characterization of the materials was achieved by scanning electron microscopy (SEM), X-ray fluorescence (XRF), X-ray diffraction (XRD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). In the process of the HER, the current of IrO2 is only 1.91 mA cm-2@-0.2 V in the first segment scan. However, at the 51, 101 and 151 segment scan, the HER current increases to 6.85, 15.7 and 18.2 mA cm-2@-0.2 V, respectively. During the activation process of IrO2, the HER current has increased ten times. Compared with the HER activity of IrO2, there is almost no hysteresis for the IrO2-TiO2 electrode. In the first segment scan, the HER current has already reached 27.9 mA cm-2@-0.2 V and further increased to 31.1, 33.1 and 35.0 mA cm-2 at the 51, 101 and 151 segment scan. The difference between them is not significant, which means that the IrO2-TiO2 electrode does not need activation. The IrO2-TiO2 electrode has exhibited a higher HER activity than the IrO2 electrode, which may be attributed to the electronic structure modification and the increase of the electrochemical area. © 2017 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
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