In situ growth of CdS nanoparticles on UiO-66 metal-organic framework octahedrons for enhanced photocatalytic hydrogen production under visible light irradiation

被引：198
|
作者：
Zhou, Jian-Jian [1 ,2 ]
Wang, Rong [1 ,2 ]
Liu, Xin-Ling [1 ,2 ]
Peng, Fu-Min [1 ,2 ]
Li, Chuan-Hao [1 ,2 ,3 ]
Teng, Fei [4 ]
Yuan, Yu-Peng [1 ,2 ,4 ]
机构：
[1] Anhui Univ, Sch Chem, Hefei 230601, Peoples R China
[2] Anhui Univ, Chem Engn & Innovat Lab Clean Energy & Green, Hefei 230601, Peoples R China
[3] Yale Univ, Dept Chem & Environm Engn, New Haven, CT 06511 USA
[4] Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Jiangsu Key Lab Atmospher Environm Monitoring & P, Nanjing 210044, Jiangsu, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2015年 / 346卷
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Photocatalysis; Water splitting; Metal organic frameworks; CdS; H-2; PRODUCTION; WATER; SOLAR; EVOLUTION; COMPOSITE; CO2; NANOSTRUCTURES; REDUCTION;
D O I：
10.1016/j.apsusc.2015.03.210
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：
CdS nanoparticles acting as photosensitizer was grown in situ upon UiO-66 metal-organic framework octahedrons through a hydrothermal process. The resultant CdS/UiO-66 hybrid photocatalysts show remarkably active hydrogen evolution under visible light irradiation as compared to CdS and UiO-66 alone. The optimum hybrid with 16 wt% CdS loading shows a hydrogen production rate of 235 mu mol h(-1), corresponding to 1.2% quantum efficiency at 420 nm. The improved photocatalytic hydrogen production over hybrid CdS/UiO-66 is ascribed to the efficient interfacial charge transfer from CdS to UiO-66, which effectively suppresses the recombination of photogenerated electron-hole pairs and thereby enhancing the photocatalytic efficiency. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：278 / 283
页数：6
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