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Template-free synthesis of carbon doped TiO2 mesoporous microplates for enhanced visible light photodegradation 被引量:4
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作者 Juming Liu Lu Han +6 位作者 Huiyan Ma Hao Tian Jucai Yang Qiancheng Zhang Benjamin J. Seligmann Shaobin Wang Jian Liu 《Science Bulletin》 SCIE EI CAS CSCD 2016年第19期1543-1550,共8页
Titanium dioxide (TiO2) is widely employed as a solid photocatalyst for solar energy conversion and envi- ronmental remediation. The ability to construct porous TiO2 with controlled particle size and narrowed bandga... Titanium dioxide (TiO2) is widely employed as a solid photocatalyst for solar energy conversion and envi- ronmental remediation. The ability to construct porous TiO2 with controlled particle size and narrowed bandgap is an essential requirement for the design of highly efficient and recyclable photocatalysts. Here, we report a template- free acetic acid induced method for the synthesis of visible- light responsive carbon-doped TiO2 microplates with high crystallinity and mesoporous structure. It is shown that the electron-withdrawing bidentate carboxylate ligands derived from acetic acid can narrow the bandgap of TiO2 (1.84 eV) substantially. Moreover, the resultant microplate photo- catalysts exhibit excellent photocatalytic efficiency and solid-liquid separation performance, which will be bene- ficial for future industrial applications. 展开更多
关键词 Acetic acidmesoporous microplatesnarrowingCarboxylate tio2 carbon doped Bandgap
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