Effect of pH on absorption spectra of photogenerated holes in nanocrystalline TiO2 films

被引:50
作者
Yoshihara, Toshitada [1 ]
Tamaki, Yoshiaki [1 ]
Furube, Akihiro [1 ]
Murai, Miki [1 ]
Hara, Kohjiro [1 ]
Katoh, Ryuzi [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan
关键词
D O I
10.1016/j.cplett.2007.03.017
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We have measured transient absorption spectra of TiO2 under several pH conditions. We successfully extracted the spectral contribution of two different trapped holes from the transient absorption spectra. Based on the results, we discuss the origin of absorption spectra of holes in TiO2. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:268 / 273
页数:6
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