《涂料化学及防腐技术》课程教学实践
作者：
杨晓鸿;柴波
期刊：
广东化工 ,2017年44(12):274-275 ISSN：1007-1865
作者机构：
武汉轻工大学化学与环境工程学院,湖北武汉,430023;[柴波; 杨晓鸿] 武汉轻工大学
关键词：
涂料化学;防腐技术;学生中位;教学实践
摘要：
本文介绍了涂料化学及防腐技术课程的教学目标、课程内容、课程特色、教学方法、教学效果等内容,采用丰富多彩的教学手段,开展学生中位的教学实践,明显地提高了学生的学习兴趣,增加了知识,强化了理论与实际相结合的重要性,提高了实际能力、独立思考能力、和创造创新能力,获得了预期的教学效果.
语种：
中文
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PBL-LBL相结合教学模式在材料化学课程教学中的应用探索
作者：
柴波;高新蕾;王婷婷;朱玉婵;杨晓鸿
期刊：
教育教学论坛 ,2017年(11):165-166 ISSN：1674-9324
作者机构：
武汉轻工大学 化学与环境工程学院,武汉,430023;[王婷婷; 柴波; 杨晓鸿; 高新蕾; 朱玉婵] 武汉轻工大学
关键词：
PBL-LBL教学模式;材料化学;创新
摘要：
针对《材料化学》课程的特点,在课程教学中实施PBL-LBL相结合的教学模式,探讨了实施该教学模式的必要性及具体实施过程,并对PBL—LBL相结合教学模式中应注意的问题进行探索。
语种：
中文
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Enhanced visible light photocatalytic degradation of Rhodamine B over phosphorus doped graphitic carbon nitride
作者：
Chai, Bo* ;Yan, Juntao;Wang, Chunlei;Ren, Zhandong;Zhu, Yuchan
期刊：
Applied Surface Science ,2017年391:376-383 ISSN：0169-4332
通讯作者：
Chai, Bo
作者机构：
[Zhu, Yuchan; Wang, Chunlei; Chai, Bo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
会议名称：
2nd International Symposium on Energy and Environmental Photocatalytic Materials (EEPM2)
会议时间：
APR 01-04, 2016
会议地点：
Wuhan Univ Technol, Wuhan, PEOPLES R CHINA
会议主办单位：
Wuhan Univ Technol
关键词：
Charge carrier separation;Degradation;Phosphorus doped g-C 3 N 4;Photocatalytic activity
摘要：
Phosphorus doped graphitic carbon nitride (g-C 3 N 4 ) was easily synthesized using ammonium hexafluorophosphate (NH 4 PF 6 ) as phosphorus source, and ammonium thiocyanate (NH 4 SCN) as g-C 3 N 4 precursor, through a direct thermal co-polycondensation procedure. The obtained phosphorus doped g-C 3 N 4 was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectra (FTIR), UV–vis diffuse reflectance absorption spectra (UV-DRS), photoelectrochemical measurement and photoluminescence spectra (PL). The photocatalytic activities of phosphorus doped g-C 3 N 4 samples were evaluated by degradation of Rhodamine B (RhB) solution under visible light irradiation. The results showed that the phosphorus doped g-C 3 N 4 had a superior photocatalytic activity than that of pristine g-C 3 N 4 , attributing to the phosphorus atoms substituting carbon atoms of g-C 3 N 4 frameworks to result in light harvesting enhancement and delocalized π-conjugated system of this copolymer, beneficial for the increase of photocatalytic performance. The photoelectrochemical measurements also verified that the charge carrier separation efficiency was promoted by phosphorus doping g-C 3 N 4 . Moreover, the tests of radical scavengers demonstrated that the holes (h + ) and superoxide radicals ([rad]O 2 − ) were the main active species for the degradation of RhB. © 2016 Elsevier B.V.
语种：
英文
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Photocatalytic hydrogen evolution activity over MoS_2/ZnIn_2S_4 microspheres
作者：
Chai, Bo* ;Liu, Chun;Wang, Chunlei;Yan, Juntao;Ren, Zhandong
期刊：
催化学报 ,2017年38(12):2067-2075 ISSN：0253-9837
通讯作者：
Chai, Bo
作者机构：
[Wang, Chunlei; Chai, Bo; Liu, Chun; 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：
Composite;Cocatalyst;Photocatalytic hydrogen evolution;Charge carrier;Separation
摘要：
MoS_2/ZnIn_2S_4 composites with MoS_2 anchored on the surface of ZnIn_2S_4 microspheres were synthesized by a two-step hydrothermal process. The obtained samples were characterized by X-ray diffraction, field emission scanning electron microscopy, energy dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, ultraviolet–visible diffuse reflectance absorption spectroscopy, nitrogen adsorption– desorption measurements, photoluminescence spectroscopy, and photoelectrochemical tests. The influence of the loading of MoS_2 on the photocatalytic H_2 evolution activity was investigated using lactic acid as a sacrificial reagent. A H_2 evolution rate of 343 μmol/h was achieved under visible light irradiation over the 1 wt% MoS_2/ZnIn_2S_4 composite, corresponding to an apparent quantum efficiency of about 3.85% at 420 nm monochromatic light. The marked improvement of the photocatalytic H_2 evolution activity compared with ZnIn_2S_4 can be ascribed to efficient transfer and separation of photogenerated charge carriers and facilitation of the photocatalytic H_2 evolution reaction at the MoS_2 active sites.
语种：
英文
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In situ construction of BiOBr/Ag3PO4 composites with enhanced visible light photocatalytic performances
作者：
Yan, Juntao;Xu, Mengqiu;Chai, Bo* ;Wang, Haibo;Wang, Chunlei;...
期刊：
Journal of Materials Research ,2017年32(8):1603-1610 ISSN：0884-2914
通讯作者：
Chai, Bo
作者机构：
[Xu, Mengqiu; Wang, Chunlei; Chai, Bo; Wang, Haibo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
chemical synthesis;optical properties
摘要：
The BiOBr/Ag3PO4 composites were fabricated by a facile in situ deposition of Ag3PO4 nanoparticles on the BiOBr microsheets and analyzed by X-ray diffraction, scanning electron microscope, high resolution transmission electron microscope, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance absorption spectra, Fourier transform infrared, Raman, photoluminescence (PL), and photoelectrochemical techniques. The photocatalytic performances of as-prepared samples were investigated and compared through degradation of Rhodamine B (RhB) solution. The results suggested that 30 wt% amount of BiOBr in the composites possessed the highest photocatalytic activity. The remarkably improved photocatalytic performances of BiOBr/Ag3PO4 composites could be ascribed to the efficient separation of electron-hole pairs, due to suitable energy band potentials between BiOBr and Ag3PO4. Furthermore, the photoelectrochemical and PL tests verified the separation and transfer efficiency of charges was promoted.
语种：
英文
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MoS_2/g-C_3N_4复合材料的制备及可见光催化性能
作者：
Xu Meng-Qiu;Chai Bo* ;Yan Jun-Tao;Wang Hai-Bo;Ren Zhan-Dong
期刊：
无机化学学报 ,2017年33(3):389-395 ISSN：1001-4861
通讯作者：
Chai Bo
作者机构：
[Chai Bo; Yan Jun-Tao; Xu Meng-Qiu; Ren Zhan-Dong; Wang Hai-Bo] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
MoS2/g-C3N4复合材料;光催化;降解;罗丹明B
摘要：
首先在N-甲基吡咯烷酮溶液中超声剥离得到少层的MoS_2,将其与石墨相氮化碳(g-C_3N_4)复合,制得MoS_2/g-C_3N_4复合材料。采用X射线衍射(XRD),扫描电镜(SEM),X射线光电子能谱(XPS),傅里叶变换红外光谱(FTIR),Raman光谱,紫外-可见漫反射吸收光谱(DRS)和光致荧光(PL)技术对复合材料进行表征。可见光下考察MoS_2/g-C_3N_4复合材料光催化降解罗丹明B(RhB)的活性,结果表明:将少量MoS_2与g-C_3N_4复合可明显提高光催化活性,且1%(w/w)MoS_2/g-C_3N_4复合物的光催化活性最高,可能的原因是MoS_2和g-C_3N_4匹配的能带结构,增大了界面间电荷的传输,降低了光生电子-空穴的复合,进而提高了光催化活性。
语种：
中文
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Preparation of electrolyzed oxidizing water with a platinum electrode prepared by magnetron sputtering technique
作者：
Wei, Shaonan;Shi, Liubin;Ren, Zhandong* ;Zhang, Ailian;Ming, Ruoxi;...
期刊：
RSC Advances ,2017年7(72):45377-45384 ISSN：2046-2069
通讯作者：
Ren, Zhandong;Zhu, Yuchan
作者机构：
[Shi, Liubin; Wei, Shaonan; Zhu, Yuchan; Ming, Ruoxi; Ren, Zhandong; Zhu, YC; 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：
Electrolyzed oxidizing water (EO water) with low pH (2.2-2.7), high oxidation-reduction potential (ORP >1100 mV), and available chlorine content (ACC) of 30-80 mg L<sup>-1</sup>has an efficiently bactericidal activity and wide adaptability against many food-borne pathogens. EO water could be generated by electrolysis of a dilute NaCl solution in an electrolysis chamber with a Pt/Ti electrode. In this study, the Pt/Ti electrode was prepared by magnetron sputtering technique. The electrode surface has the characteristic of specific growth along the [111] direction. At the same time, the platinum electrodes prepared through thermal decomposition and electrodeposition as the control were also investigated. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were employed to study the performances of these three types of Pt/Ti electrode. The effects of the physicochemical properties of the Pt electrodes on their electrochemical behaviors were studied. Furthermore, the values of pH, ORP, ACC, Cl<sup>-</sup>and the sterilization effect of EO water using these Pt electrodes as anode materials have been systematically discussed. In addition, the content of HClO, ClO<sup>-</sup>, O<inf>3</inf>and dissolved oxygen in EO water using the Pt-MS electrode has also been reported in this article. ©2017 The Royal Society of Chemistry.
语种：
英文
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Sonochemical synthesis of CdS/C3 N4 composites with efficient photocatalytic performance under visible light irradiation
作者：
Chai, Bo* ;Wang, Xing
期刊：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY ,2016年16(2):2032-2041 ISSN：1533-4880
通讯作者：
Chai, Bo
作者机构：
[Chai, Bo; Wang, Xing] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
CdS/C3N4 Composites;Sonochemical Route;Photocatalytic Activity;Rhodamine B;Degradation
摘要：
The CdS/C3N4 composites with efficient photocatalytic performance under visible light irradiation were synthesized by a facile sonochemical route. The as-prepared CdS/C3N4 composites were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high -resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflectance absorption spectra (DRS), fourier transform infrared spectroscopy (FTIR) and photoluminescence spectra (PL). The photocatalytic degradation of rhodamine B (RhB) by the CdS/C3N4 composites was explored and optimized, suggesting the optimal amount of CdS in the composites was 50 wt%. The significantly enhanced photocatalytic activity of CdS/C3N4 composites could be attributed to the effectively interfacial transfer of photogenerated charge carriers between CdS and C3N4, which restrained the recombination of electron hole pairs.
语种：
英文
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沿[111]方向择优生长Pt/Ti电极制备及析氯电催化活性
作者：
Zhu Yu-Chan;Yuan Min;Zhang Huan;Wang Le;Quan Shan-Shan;...
期刊：
无机材料学报 ,2016年31(5):510-516 ISSN：1000-324X
通讯作者：
Ren Zhan-Dong
作者机构：
[Quan Shan-Shan; Chai Bo; Wang Le; Ren Zhan-Dong; Zhang Huan; Zhu Yu-Chan; Yuan Min] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Ren Zhan-Dong] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
氯析出;磁控溅射;形貌;机理
摘要：
针对目前低浓度氯化钠电解过程中存在的氧化物尺寸稳定阳极(DSA)使用寿命短以及Pt电极使用量高的问题,本研究通过磁控溅射法制备了具有沿[111]方向择优生长的Pt/Ti电极。SEM结果显示,磁控Pt表面平整,分散均匀,粒度大小为10 nm;通过XPS表征,未见到基体Ti的特征峰,说明其表面覆盖度好。电化学循环伏安曲线(CV)显示,磁控Pt的电化学面积最小,仅为1.08 cm~2,接近电极表观面积;磁控Pt氧区吸附电量和氢区吸附电量的比仅为0.83,说明其对氧吸附能力较差,不利于发生析氧反应。在单位电化学面积上,当电极电势为1.6 V时,磁控Pt的析氯电流达到0.085 A/cm~2,分别是电沉积Pt和热分解Pt的3.27和49.0倍,说明磁控Pt单位活性位点上具有很高的析氯反应活性。在此基础上,进一步研究表明磁控Pt电极析氯反应的Tafel斜率为44.3 mV/dec,其析氯反应机理符合Volmer-Heyrovsky机理,速控步骤为电化学复合脱附步骤。
语种：
中文
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Biosorption of methylene blue from aqueous solution by natural Osmanthus fragrans powder
作者：
Chai, Bo* ;Cheng, Xianzhong;Ren, Zhandong;Zhu, Yuchan
期刊：
Desalination and Water Treatment ,2016年57(40):18868-18878 ISSN：1944-3994
通讯作者：
Chai, Bo
作者机构：
[Cheng, Xianzhong; Zhu, Yuchan; Chai, Bo; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Adsorption;Methylene blue;Osmanthus fragrans powder;Isotherm;Kinetics
摘要：
The potential of Osmanthus fragrans powder as a natural biosorbent was investigated for the removal of methylene blue (MB) from aqueous solution. The effects of various experimental conditions including contact time, adsorbent dose, initial MB concentration, solution pH, salt ionic strength, and temperature on the adsorption properties of O. fragrans powder were discussed. The adsorption kinetic data were modeled using pseudo-first-order, pseudo-second-order, and intraparticle diffusion kinetics equations, indicating that the pseudo-second-order and intraparticle diffusion models could better describe the adsorption kinetics. Furthermore, adsorption equilibrium data were analyzed by Langmuir and Freundlich models, suggesting the Langmuir model presented a better correlation with the experimental data. The maximum adsorption capacities (qm) of O. fragrans powder for MB obtained from the Langmuir model were 155.52, 165.02, and 172.71 mg g−1 at different temperatures of 288.15, 298.15, and 308.15 K, respectively. Thermodynamic parameters such as standard free energy changes (ΔG°), standard enthalpy changes (ΔH°), and standard entropy changes (ΔS°) were also calculated. The results showed that the adsorption process was spontaneous and endothermic in nature. In addition, the possible adsorption mechanism of O. fragrans powder as adsorbent was proposed. The present study implies that O. fragrans powder were a promising candidate as novel biosorbents for the removal of MB from aqueous solution. © 2015 Balaban Desalination Publications. All rights reserved.
语种：
英文
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吸附-煅烧法制备ZnIn2S4/MoS2光催化剂
作者：
柴波
作者机构：
[柴波] 武汉轻工大学化学与环境工程学院
会议名称：
中国化学会第30届学术年会
会议时间：
2016-07-01
会议地点：
大连
会议论文集名称：
中国化学会第30届学术年会论文集
关键词：
ZnIn2S4/MoS2复合材料;可见光;光催化制氢
摘要：
太阳能光催化分解水制氢是获取清洁能源的理想技术之一,但其也面临着一些需要解决的关键性问题。如目前开发的光催化剂制氢效率偏低,很难真正走向实用化。再者,为了增强半导体材料的光催化制氢活性,须采用助催化剂来提高光生载流子的分离效率,目前大多使用的助催化剂通常为贵金属铂,而贵金属资源有限,价格昂贵,从这个方面来看也制约着其大规模的应用。因此,如何构建高效、稳定和低成本的光催化体系对光催化制氢的规模化开发
语种：
中文
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Facile Synthesis of Fluorine Doped Graphitic Carbon Nitride with Enhanced Visible Light Photocatalytic Activity
作者：
Xu, Mengqiu;Chai, Bo* ;Yan, Juntao;Wang, Haibo;Ren, Zhandong;...
期刊：
NANO ,2016年11(12):1650137 ISSN：1793-2920
通讯作者：
Chai, Bo
作者机构：
[Paik, Kyung-Wook; Xu, Mengqiu; Chai, Bo; Wang, Haibo; Yan, Juntao; Ren, Zhandong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Fluorine doped g-C3N4;photocatalytic activity;visible light irradiation;charge separation
摘要：
Fluorine doped graphitic carbon nitride (g-C3N4) was successfully synthesized by a convenient co-polycondensation of urea and ammonium fluoride (NH4F) mixtures, and characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectra (FTIR), UV-Vis diffuse reflectance absorption spectra (UV-DRS), nitrogen adsorption–desorption, photoelectrochemical measurement and photoluminescence (PL) spectra. The photocatalytic activities of fluorine doped g-C3N4 samples were evaluated by the degradation of Rhodamine B (RhB) solution under visible light irradiation. The results showed that the fluorine doped g-C3N4 had a better photocatalytic activity than that of undoped g-C3N4, which was attributed to the favorable textural, optical and electronic properties derived from the fluorine atoms substituting nitrogen atoms of g-C3N4 frameworks. The photoelectrochemical measurements confirmed that the charges separation efficiency was improved by fluorine doping g-C3N4. Moreover, the tests of radical scavengers demonstrated that the holes (h +) and superoxide radicals ( ⋅O 2−) were the main active species for the degradation of RhB.
语种：
英文
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Effect of Meteorological Conditions on Pollutants Removal and Enhancing Approaches During Photovoltaic Energy Direct Application: Electrokinetic Remediation of Soil Containing Cr(VI) as an Example
作者：
Zhang, Shunxi;Yang, Xiaohong;Cheng, Xianzhong;Hu, Chun;Chai, Bo;...
期刊：
International Journal of Electrochemical Science ,2016年11(7):5753-5765 ISSN：1452-3981
通讯作者：
Mei, Yunjun
作者机构：
[Cheng, Xianzhong; Li, Jianfen; Mei, Yunjun; Zhang, Shunxi; Chai, Bo; Hu, Chun; Yang, Xiaohong] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Mei, Yunjun] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Enhancing approaches;Meteorological conditions;Photovoltaic energy;Pollutants removal;Soil containing Cr(VI)
摘要：
To explore the effect of meteorological conditions on pollutants removal and enhancing removal efficiency approaches in weak solar irradiation intensity during photovoltaic energy direct application, electrokinetic remediation of soil containing Cr(VI) was investigated as an example. The results show that meteorological conditions have a significant effect on pollutants removal, and Cr(VI) removal efficiency for a sunny day is the highest. Cr(VI) concentration and total Cr concentration in the different layer suggest that chromium in soil is electromigrated and accumulated near the anodic region. Total Fe concentration implies that the anodic product Fe2+ is migrated into the cathode. Energy conversion efficiency for a sunny day is the highest and is 10.4%. However, energy utilization efficiency for an overcast day is the highest, and Em and Ev are 24.1kWh/kg and 38.3kWh/m3, respectively. In weak solar irradiation intensity of 37±3.5W/m2, the parallel connection of photovoltaic panels is a feasible approach to enhance pollutants removal, and in 30min Cr(VI) removal efficiency for four panels can rise to 79.8% from 64.3% for only one panel. The extending reactive time is also a feasible way, and removal efficiency for one panel can increase from 64.3% to 80.7% as time prolonging from 30 min to 60 min. © 2016 The Authors.
语种：
英文
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A facile electrospinning and direct annealing method for the fabrication of multi-porous ZnFe2 O4 nanotubes with enhanced photocatalytic activity
作者：
Yan, Juntao;Gao, Shenyuan;Wang, Chunlei* ;Chai, Bo;Li, Jianfen* ;...
期刊：
Materials Letters ,2016年184(Dec.1):43-46 ISSN：0167-577X
通讯作者：
Wang, Chunlei;Li, Jianfen
作者机构：
[Li, Jianfen; Wang, CL; Wang, Chunlei; Song, Guangsen; Gao, Shenyuan; Chai, Bo; Yan, Juntao] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Peoples R China.;[Chen, Shizhong] Wuhan Polytech Univ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Wang, CL; Li, JF] W;Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Porous materials;Semiconductor;Nanotubes;ZnFe2O4;Electrospinning
摘要：
The multi-porous ZnFe2O4 (ZFO) nanotubes are fabricated by the direct annealing process of ZFO precursor nanofibers, which is prepared by a facile electrospinning method. The crystal structure, composition, morphology, magnetic property, specific surface area and pore size distribution of multi-porous ZFO nanotubes are systematically characterized. The results indicated the multi-porous ZFO nanotubes with high purity phase possess obvious multi-porous and tubular microstructure, the mean inner diameter, specific surface area and pore volume are about 150 nm, 57.42 m(2) g(-1) and 0.16 cm(3) g(-1), respectively. Moreover, the multi-porous ZFO nanotubes exhibit a better photocatalytic activity than that of ZFO nanoparticles for photocatalytic degradation of RhB solution. (C) 2016 Elsevier B.V. All rights reserved.
语种：
英文
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Enhanced visible light photocatalytic activity of BiOI/BiOCOOH composites synthesized via ion exchange strategy
作者：
Chai, Bo* ;Wang, Xing
期刊：
RSC Advances ,2015年5(10):7589-7596 ISSN：2046-2069
通讯作者：
Chai, Bo
作者机构：
[Chai, Bo; Wang, Xing] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
摘要：
The BiOI/BiOCOOH composites were synthesized by a facile ion exchange strategy between BiOCOOH precursor and KI by ultrasonic reaction. The as-prepared BiOI/BiOCOOH composites were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflectance absorption spectra (DRS), Fourier transform infrared spectroscopy (FTIR) and photoluminescence spectra (PL). Under visible light illumination, the BiOI/BiOCOOH composites exhibited much higher photocatalytic activities than those of single BiOCOOH and BiOI for the degradation of Rhodamine B (RhB). The markedly enhanced photocatalytic activities of BiOI/BiOCOOH composites were attributed to the formation of a p-n heterojunction between p-type BiOI and n-type BiOCOOH, which facilitated the charge separation of photogenerated electron-hole pairs. The photoelectrochemical measurement confirmed that the charge separation efficiency was greatly improved by the formation of the heterojunction structure. Moreover, tests of radical scavengers demonstrated that h<sup>+</sup>and O<inf>2</inf><sup>-</sup>were the main active species for the degradation of RhB. This journal is ©The Royal Society of Chemistry.
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The electrocatalytic activity of IrO2-Ta2O5 anode materials and electrolyzed oxidizing water preparation and sterilization effect
作者：
Ren, Zhandong* ;Quan, Shanshan;Gao, Jie;Li, Wenyang;Zhu, Yuchan;...
期刊：
RSC Advances ,2015年5(12):8778-8786 ISSN：2046-2069
通讯作者：
Ren, Zhandong
作者机构：
[Liu, Ye; Zhu, Yuchan; Wang, Yourong; Chai, Bo; Gao, Jie; Ren, Zhandong; Li, Wenyang; Quan, Shanshan] 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：
Ti/IrO<inf>2</inf>-Ta<inf>2</inf>O<inf>5</inf>anode electrocatalysts with different contents and preparation temperatures were prepared by thermal decomposition in this work. The crystallite characterization and morphology were examined via XRD and SEM. The electrochemical properties were examined via cyclic voltammetry (CV) in 0.5 M H<inf>2</inf>SO<inf>4</inf>and linear sweep voltammetry (LSV) in saturated sodium chloride. Through the study of different series of Ti/IrO<inf>2</inf>-Ta<inf>2</inf>O<inf>5</inf>anodes, we find that the preparation conditions have a great impact on the electrode catalytic activity. Experimental results indicate that the electrochemically active surface area is determined by the content and morphology of the anode coating. When the IrO<inf>2</inf>content and the preparation temperature are 70% and 500 °C, the surface of the electrode is aggregated with segregated crystallite flower-like particles, which brings about the best electrode catalytic activity. The current density in the chlorine evolution reaction of IrO<inf>2</inf>-Ta<inf>2</inf>O<inf>5</inf>(70% and 500 °C) is 0.4 A cm<sup>-2</sup>in saturated sodium chloride. The properties and sterilization effect of EO water are closely related to the electrode catalytic activity. The higher the current density is in chlorine evolution, the higher the available chlorine and HClO content. When the IrO<inf>2</inf>content is 70% and the preparation temperature is 500 °C, the maximum values of the killing logarithm value and killing rate are 3.01-3.05 and 99.9023-99.9109%, respectively. In addition, when the Ti substrate undergoes 40 minutes of activation treatment, the Ti/IrO<inf>2</inf>-Ta<inf>2</inf>O<inf>5</inf>anodes have the highest stability. ©The Royal Society of Chemistry 2015.
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Ir_(0.5)Pt_(0.5)O_2阳极的电催化活性及氧化电解水制备
作者：
高洁;朱玉婵;任占冬;李文阳;全姗姗;...
期刊：
化工学报 ,2015年66(3):992-1000 ISSN：0438-1157
通讯作者：
Zhu, Yuchan(zhuyuchan@163.com)
作者机构：
[高洁; 朱玉婵; 任占冬; 李文阳; 全姗姗; 刘晔; 王又容; 柴波] School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan;Hubei;430023, China;[高洁; 朱玉婵; 任占冬; 李文阳; 全姗姗; 刘晔; 王又容; 柴波] Hubei;[高洁; 朱玉婵; 任占冬; 李文阳; 全姗姗; 刘晔; 王又容; 柴波] 430023, China
关键词：
Ir0.5Pt0.5O2复合材料;电解;析氯;析氧;反应动力学
摘要：
氧化电解水作为一种新型、高效、环保的杀菌剂,具有广阔的应用前景。但目前在氧化电解水制备过程中,其阳极电催化材料存在效率低和使用寿命短等问题。采用亚当斯融合法制备了Ir_(0.5)Pt_(0.5)O_2复合氧化物电极。通过XRD表征,其晶型为典型的金红石型结构。SEM结果表明虽然颗粒之间存在团聚现象,但是可以明显观察到大量蜂窝状结构存在,提高了催化剂的比表面积和电化学面积。进一步的CV表征证明了这一点,同时在CV图中表现出明显的铂铱复合氧化物结构的特征。利用LSV技术分别考察了Ir_(0.5)Pt_(0.5)O_2的析氯和析氧极化曲线,发现其单位表观面积上析氯活性明显提高,而析氧活性明显降低。计算表明Ir_(0.5)Pt_(0.5)O_2的析氯反应Tafel斜率为56.3 mV·dec~(-1),反应机理为Volmer-Heyrovsky机理,速控步骤为电化学脱附步骤;其析氧反应Tafel斜率为126.6 mV·dec~(-1),控速步骤为催化剂表面氢氧化物的形成。进一步电化学阻抗实验表明在1 g·L~(-1) NaCl溶液中, Ir_(0.5)Pt_(0.5)O_2析氯电催化活性优于IrO_2,这与前面研究结果一致。在此基础上,以Ir_(0.5)Pt_(0.5)O_2/Ti为阳极制备氧化电解水,在相同条件下,其有效氯含量明显优于IrO_2/Ti,同时电解效率也明显提高,强化试验寿命是IrO_2/Ti的3.14倍,大大提高了电极性能,有利于其商品化使用。
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中文
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Facile synthesis of Ag3 PO4 /C3 N4 composites with improved visible light photocatalytic activity
作者：
Chai, Bo* ;Zou, Fangyuan;Chen, Wenjie
期刊：
Journal of Materials Research ,2015年30(8):1128-1136 ISSN：0884-2914
通讯作者：
Chai, Bo
作者机构：
[Zou, Fangyuan; Chen, Wenjie; Chai, Bo] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
摘要：
The Ag<inf>3</inf>PO<inf>4</inf>/C<inf>3</inf>N<inf>4</inf>composites with improved photocatalytic activity were prepared by a facile in situ deposition of Ag<inf>3</inf>PO<inf>4</inf>particles on the surface of C<inf>3</inf>N<inf>4</inf>sheets and characterized by x-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, x-ray photoelectron spectroscopy, UV-vis diffuse reflectance absorption spectra, Fourier transform infrared spectra, and photoluminescence spectra. The photocatalytic degradation of Rhodamine B (RhB) over the Ag<inf>3</inf>PO<inf>4</inf>/C<inf>3</inf>N<inf>4</inf>composites was investigated and optimized, indicating that the optimal amount of Ag<inf>3</inf>PO<inf>4</inf>in the composites was 90 wt%. The remarkably improved photocatalytic activity of Ag<inf>3</inf>PO<inf>4</inf>/C<inf>3</inf>N<inf>4</inf>composites could be attributed to the effective separation of photogenerated charge carriers. The photoelectrochemical measurements confirmed that the charge separation efficiency was improved for the formation of composites. Moreover, the tests of radical scavengers demonstrated that h<sup>+</sup>and ·O<inf>2</inf><sup>-</sup>were the main active species for the degradation of RhB. ©2015 Materials Research Society.
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英文
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RuO_2-SnO_2阳极电催化活性及氧化电解水制备
作者：
李文阳;任占冬;朱玉婵;杨晓鸿;全姗姗;...
期刊：
功能材料 ,2015年46(19):19118-19125 ISSN：1001-9731
通讯作者：
Ren, Zhandong(renzhandong@163.com)
作者机构：
[杨晓鸿; 柴波; 朱玉婵; 任占冬; 李文阳; 高洁; 陈红梅; 全姗姗] School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
通讯机构：
[Ren, Z.] S;School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, China
关键词：
氧化电解水;电解效率;有效氯;次氯酸;使用寿命
摘要：
氧化电解水是一种高效、环保的杀菌剂,在医疗卫生、食品安全和农业生产方面有着广泛的应用。但目前氧化电解水制备过程中,缺少对关键电极材料的研究,没有建立电极材料与杀菌活性因子(HClO)之间的关系。采用热分解法制备RuO_2-SnO_2氧化物合金电极。通过XRD表征可以看出其晶型为典型的金红石型结构,进一步通过循环伏安(CV)表征证明其表面为典型的RuO_2电化学特征,没有SnO_2电化学特征。在此基础上,利用线性伏安(LSV)技术分别考察了RuO_2-SnO_2的析氯极化曲线和析氧极化曲线,研究表明电流密度为70 mA/cm~2时,RuO_2-SnO_2电极的析氯析氧电势差为368 mV,而RuO_2为278 mV,提高了析氯反应选择性。在此基础上,对RuO_2-SnO_2电极在实际制备氧化电解水过程中的电解效率,有效氯含量、次氯酸含量及强化实验寿命进行了考察。结果表明,RuO_2-SnO_2电极比RuO_2电极氯离子电解效率提高了11.34%,有效氯含量提高了35.57%,次氯酸含量提高了33.62%,电极强化实验寿命提高了14倍。最后,通过SEM表征和电化学孔隙率的计算,表明RuO_2-SnO_2电极表面较平整,内部孔隙率大,所以使电解液不容易渗透到电极内部,而使电极的耐腐蚀性和使用寿命都将得到提高。
语种：
中文
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Facile ion-exchange synthesis of BiOI/Bi2 O2 CO3 heterostructure for efficient photocatalytic activity under visible light irradiation
作者：
Liu, Cheng;Chai, Bo*
期刊：
Journal of Materials Science: Materials in Electronics ,2015年26(4):2296-2304 ISSN：0957-4522
通讯作者：
Chai, Bo
作者机构：
[Chai, Bo; Liu, Cheng] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
通讯机构：
[Chai, Bo] W;Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China.
关键词：
Photocatalytic Activity;BiOI;Visible Light Irradiation;TEOA;Photogenerated Electron
摘要：
The BiOI/Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> heterostructural photocatalysts were synthesized by a facile ion-exchange route between Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> precursor and KI with ultrasonic reaction. The as-prepared BiOI/Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> heterostructures were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), UV–Vis diffuse reflectance absorption spectra (DRS), fourier transform infrared spectroscopy (FTIR) and photoluminescence spectra (PL). The BiOI/Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> heterostructures exhibited much higher photocatalytic activities than those of single Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> and BiOI for the degradation of Rhodamine B (RhB) under visible light irradiation. The significantly enhanced photocatalytic activity of BiOI/Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> heterostructures could be attributed to the formation of p–n heterojunction between p-type BiOI and n-type Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf>, which effectively separated the photogenerated electron–hole pairs. The possible mechanism of BiOI/Bi<inf>2</inf>O<inf>2</inf>CO<inf>3</inf> heterostructures as photocatalysts was proposed. ©2015, Springer Science+Business Media New York.
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