Photocatalytic and electrochemical degradation of methylene blue by titanium dioxide

查看全文 作　　者：Min [1,2]Yang;Xinling [3]Liu;Jikun [4]Chen;Fanqi [5]Meng;Yuliang [1]Zhang;Helmut [2]Brandl;Thomas [4]Lippert;Nuofu [1]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》索引2014年第59卷第17期,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. 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