Photocatalytic and electrochemical degradation of methylene blue by titanium dioxide  

作　　者：Min Yang Xinling Liu Jikun Chen Fanqi Meng Yuliang Zhang Helmut Brandl Thomas Lippert Nuofu Chen 

机构地区：[1]School of Renewable Energy,North China Electric Power University [2]Institute of Evolutionary Biology and Environmental Studies,University of Zrich,Zrich,Switzerland [3]School of Material Science and Engineering,Shanghai University [4]General Energy Research Department,Paul Scherrer Institute,Villigen,Switzerland [5]School of Chemistry and Environment,Beihang University

出　　处：《Chinese Science Bulletin》2014年第17期1964-1967,共4页

基　　金：supported by the National High Technology Research and Development Program of China (2011AA050507);the National Natural Science Foundation of China (61006150,50821004,and 61076051)

摘　　要：A photoanode structure for dye-sensitized solar cells has been applied into the photocatalytic/electrochemical cooperative degradation of methylene blue solutions.The low eutectic point of titanium dioxide(TiO2)with a fluorine-doped tin dioxide(FTO)conductive layer results in a high reactivity of TiO2for the photocatalytic process as well as a good electron transfer for the electrochemical process.The porous TiO2layer maintains a large surface area for the degradations.Through the combinational process,the degradation velocity was improved by*36%,compared to a pure photocatalytic process.A photoanode structure for dye-sensitized solar cells has been applied into the photocatalytic/electro- chemical cooperative degradation of methylene blue solu- tions. The low eutectic point of titanium dioxide （TiO2） with a fluorine-doped tin dioxide （FTO） conductive layer results in a high reactivity of TiO2 for the photocatalytic process as well as a good electron transfer for the elec- trochemical process. The porous TiO2 layer maintains a large surface area for the degradations. Through the com- binational process, the degradation velocity was improved by - 36 %, compared to a pure photocatalytic process.

关 键 词：电化学降解 光催化过程 二氧化钛 亚甲蓝 染料敏化太阳能电池 TiO2 电化学过程 阳极结构 

分 类 号：O643.3[理学—物理化学] X783[理学—化学]