期刊论文

Preparation of C/TiO2 composites and study of its photocatalytic property

中文

武汉轻工大学学报

2095-7386

2014

2

33-36

10.3969/j.issn.2095-7386.2014.02.009

本校为第一机构

采用溶胶-凝胶法制得了C/TiO2复合光催化剂，并采用X射线衍射（XRD）﹑扫描电子显微镜（ SEM ）﹑紫外光谱等方法对复合材料进行了表征。以1-萘胺-4-偶氮对苯磺酸为模型化合物评价了C/TiO2复合材料的光催化性能，考察了降解时间、初始浓度和催化剂投加量等因素对降解率的影响。研究表明，在1-萘胺-4-偶氮对苯磺酸初始浓度为2×10-5 mol/L，催化剂投加量为1．0 g/L时，光催化反应5 h后，1-萘胺-4-偶氮对苯磺酸的降解率达到85．41％。

C/TiO2 composite were prepared by the traditional sol-gel method .The samples were characterized by X-ray diffraction, scanning electron microscopy , UV-visible spectroscopy and their photocatalytic properties were evaluated with 1 -naphthylamine -4 -azo benzene sulfonic acid .The effect of photodegradation time , initial con-centration , catalyst quantity on degradation rate was investigated .The degradation rate reached the maximum to 85 .41 %by illumination after 5 h when the original concentration of was 1-naphthylamine -4-azo benzene sulfon-i...