Nature of Conduction Band Tailing in Hydrogenated Titanium Dioxide for Photocatalytic Hydrogen Evolution
文献类型：期刊论文
| 作者 | Xue, JW; Zhu, XD; Zhang, Y; Wang, WD; Xie, W; Zhou, JL; Bao, J; Luo, Y; Gao, X; Wang, Y |
| 刊名 | CHEMCATCHEM
 |
| 出版日期 | 2016 |
| 卷号 | 8期号:12页码:2010-2014 |
| 关键词 | conduction band tailing hydrogenation oxygen vacancies photocatalysis semiconductors |
| ISSN号 | 1867-3880 |
| 通讯作者 | Bao, J ; Sun, S (reprint author), Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China. ; Bao, J ; Sun, S (reprint author), Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Dept Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China. |
| 英文摘要 | The involvement of oxygen vacancies in the electronic and structural properties and photocatalytic activity of hydrogenated TiO2 (H-TiO2) for water splitting are currently under debate. Herein, the process for the formation of oxygen vacancies in H-TiO2 is illustrated for the first time to verify the role of these vacancies on the surface and in the bulk of H-TiO2 by using surface-sensitive soft X-ray techniques and bulk-information-included hard X-ray techniques for the O K-edges and Ti K-edges, respectively. We find that oxygen vacancies on the surface and in the bulk contribute differently to tailing of the conduction band of H-TiO2. By controlling the degree of hydrogenation to restrict tailing of the conduction band to just above the H+/H-2 redox potential, the most favorable disordered structure for photocatalytic H-2 evolution is developed. This work promotes a better understanding of the possible negative consequence of hydrogenated semiconductors in H-2 evolution apart from the positive effect on visible-light response. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000379533600002 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/26582]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 推荐引用方式 GB/T 7714 | Xue, JW,Zhu, XD,Zhang, Y,et al. Nature of Conduction Band Tailing in Hydrogenated Titanium Dioxide for Photocatalytic Hydrogen Evolution[J]. CHEMCATCHEM,2016,8(12):2010-2014. |
| APA | Xue, JW.,Zhu, XD.,Zhang, Y.,Wang, WD.,Xie, W.,...&Gao, C.(2016).Nature of Conduction Band Tailing in Hydrogenated Titanium Dioxide for Photocatalytic Hydrogen Evolution.CHEMCATCHEM,8(12),2010-2014. |
| MLA | Xue, JW,et al."Nature of Conduction Band Tailing in Hydrogenated Titanium Dioxide for Photocatalytic Hydrogen Evolution".CHEMCATCHEM 8.12(2016):2010-2014. |
入库方式： OAI收割
来源：上海应用物理研究所
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