期刊
CHEMCATCHEM
卷 11, 期 17, 页码 4252-4255出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201900713
关键词
Photocatalysis; Water splitting; Titanium; Point defects
资金
- National Natural Science Foundation of China [51572173, 51602197, 51771121, 51772297, 51702212]
- Shanghai Municipal Science and Technology Commission [16060502300, 16JC402200, 18511110600]
- Shanghai Academic/Technology Research Leader Program [19XD1422900]
- Shanghai Eastern Scholar Program [QD2016014]
In-situ UV-irradiation activation leads to an intense visible-light absorption of up to 700 nm in ethylene glycolate-stabilized TiO2(B) nanosheets. It is ascribed that the creation of abundant subsurface/lattice oxygen vacancies and Ti3+ centers, along with UV-induced breakdown of Ti-O bonds between ethylene glycolate and TiO2(B). Consequently, the enhanced and stable visible-light-driven photocatalytic H-2 evolution is obtained on defect-rich TiO2(B) nanosheets.
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