共 53 条
Highly efficient photocatalytic hydrogen evolution of graphene/YInO3 nanocomposites under visible light irradiation
被引:49
作者:

Ding, Jianjun
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

Yan, Wenhao
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

Xie, Wei
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Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

Sun, Song
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Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

Bao, Jun
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Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

Gao, Chen
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
机构:
[1] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
[2] Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Hefei 230029, Anhui, Peoples R China
[3] Univ Sci & Technol China, Dept Mat Sci & Engn, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China
来源:
关键词:
STEP SOLVOTHERMAL SYNTHESIS;
H-2;
EVOLUTION;
WATER;
TIO2;
COMPOSITES;
OXIDE;
DEGRADATION;
NANOCRYSTALS;
ENHANCEMENT;
PERFORMANCE;
D O I:
10.1039/c3nr05984g
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Visible-light-driven hydrogen evolution with high efficiency is important in the current photocatalysis research. Here we report for the first time the design and synthesis of a new graphene-semiconductor nanocomposite consisting of YInO3 nanoparticles and two-dimensional graphene sheets as efficient photocatalysts for hydrogen evolution under visible light irradiation. The graphene/YInO3 nanocomposites were synthesized using a facile solvothermal method in which the formation of graphene and the deposition of YInO3 nanoparticles on the graphene sheets can be achieved simultaneously. The addition of graphene as a cocatalyst can narrow the band gap of YInO3 to visible photon energy and prolong the separation and lifetime of electron-hole pairs by the chemical bonding between YInO3 and graphene. The photocatalytic reaction with this nanocomposite reaches a high H-2 evolution rate of 400.4 mu mol h(-1) g(-1) when the content of graphene is 0.5 wt%, over 127 and 3.7 times higher than that of pure YInO3 and Pt/YInO3, respectively. This work can provide an effective approach to the fabrication of graphene-based photocatalysts with high performance in the field of energy conversion.
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收藏
页码:2299 / 2306
页数:8
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