摘要
在室温下,以苯胺为单体、钛酸四丁酯为反应物,通过化学氧化原位聚合和溶胶-凝胶的方法制备了TiO2/聚苯胺复合材料。利用X-射线衍射仪、傅立叶变换红外光谱仪、紫外-可见吸收光谱仪、热失重分析仪等对复合材料表面的微观结构及热稳定性进行了表征。通过光催化降解甲基橙实验评价了TiO2/聚苯胺复合光催化剂在紫外光条件下的光催化活性,实验表明,TiO2/聚苯胺复合材料的催化效率大大提高,特别是TiO2/聚苯胺(质量比例为1/2)复合材料对甲基橙的降解效率最高达到85.7%。
TiO2/ PANI composites were successfully synthesized using tetrabutyl titanate and aniline as starting materials by in situ chemical polymerization and sol-gel method at room temperature.The structure and thermal stability of composites were characterized by XRD,FT-IR,UV-VIS and TGA.And the photocatalytic activity of TiO2/PANI composites under the condition of ultraviolet radiation was evaluated by the photocatalytic degradation helianthine experiment.The experimental results showed that the catalytic activities of TiO2/ PANI composites were better in comparison with the pure TiO2 products.Specially,when the mass ratio of TiO2 and PANI for composites was 1/2,TiO2/ PANI composite showed the better catalytic behavior with catalytic efficiency up to 85.7%.
出处
《化工新型材料》
CAS
CSCD
北大核心
2010年第9期122-124,155,共4页
New Chemical Materials
基金
河南省教育厅自然科学研究计划项目(2010A150001)
河南省重点学科基金项目
安阳市科技局项目(63)
安阳市科技发展计划项目(218)
安阳师范学院青年骨干教师项目(J10625)
关键词
TiO2/聚苯胺复合材料
化学氧化
表征
光催化
TiO2/PANI composite
chemical polymerization
characterization
photocatalysis.
