Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H-2 Production

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 中国科学院饮用水科学与技术重点实验室

	Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H-2 Production
	Qu, Jiuhui; Liu, Huijuan; Hu, Chengzhi; An, Xiaoqiang
刊名	LANGMUIR
	2018-02-06
卷号	34 期号:5 页码:1883-1889
ISSN号	0743-7463
文献子类	Article
英文摘要	Oxygen vacancies have been demonstrated to enhance the interfacial charge separation in TiO2-based photocatalysts. In this report, we explored a facile route to synthesize hierarchical nanotubular anatase/rutile/TiO2(B) nanostructures with high surface area and defective electronic structure. The formation of oxygen vacancies in the heterophase junction was analyzed by UV-vis absorption spectra, electron spin resonance, and X-ray photoelectron spectroscopy. The enhanced interfacial charge separation and transportation ensured the excellent photoactivity of oxygen-deficient junctions for the photocatalytic production of hydrogen. As a result, the defective anatase/rutile/TiO2(B) junction showed a high hydrogen evolution rate of 2.79 mmol/h, which was 19 times higher than blank TiO2 nanotubes. The results demonstrate that defect modulation is a powerful tool to enhance the catalytic performances of TiO2-based photocatalysts.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/41371]
专题	生态环境研究中心_中国科学院饮用水科学与技术重点实验室
推荐引用方式 GB/T 7714	Qu, Jiuhui,Liu, Huijuan,Hu, Chengzhi,et al. Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H-2 Production[J]. LANGMUIR,2018,34(5):1883-1889.
APA	Qu, Jiuhui,Liu, Huijuan,Hu, Chengzhi,&An, Xiaoqiang.(2018).Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H-2 Production.LANGMUIR,34(5),1883-1889.
MLA	Qu, Jiuhui,et al."Hierarchical Nanotubular Anatase/Rutile/TiO2(B) Heterophase Junction with Oxygen Vacancies for Enhanced Photocatalytic H-2 Production".LANGMUIR 34.5(2018):1883-1889.