Sunlight-Driven Production of Methylcyclohexane from Water and Toluene Using ZnSe : Cu(In,Ga)Se2-Based Photocathode

被引：9
|
作者：
Kageshima, Yosuke [1 ,4 ]
Goto, Yosuke [1 ,5 ]
Kaneko, Hiroyuki [1 ]
Nakabayashi, Mamiko [2 ]
Shibata, Naoya [2 ]
Domen, Kazunari [1 ]
Minegishi, Tsutomu [1 ,3 ]
机构：
[1] Univ Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, 7-3-1 Hon Go, Tokyo 1138656, Japan
[2] Univ Tokyo, Inst Engn Innovat, Bunkyo Ku, 2-11-16 Yayoi, Tokyo 1138656, Japan
[3] Japan Sci & Technol Agcy, Precursory Res Embryon Sci & Technol JST PRESTO, Bunkyo Ku, 3-1 Hongo, Tokyo 1138656, Japan
[4] Shinshu Univ, Dept Mat Chem, Fac Engn, 4-17-1Wakasato, Nagano 3808553, Japan
[5] Tokyo Metropolitan Univ, Dept Phys, 1-1 Minami Osawa, Hachioji, Tokyo 1920397, Japan
来源：
CHEMCATCHEM | 2019年 / 11卷 / 17期
基金：
日本科学技术振兴机构;
关键词：
hydrogen carrier; photocathode; membrane; surface modification; artificial photosynthesis; PARTICLE TRANSFER; PHOTOELECTROCHEMICAL CONVERSION; NEUTRAL ELECTROLYTES; HYDROGENATION; ELECTRODES; EFFICIENT; EVOLUTION; HYDRIDE; CARRIER;
D O I：
10.1002/cctc.201900739
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：
A three-dimensional reaction field composed of a thick, porous TiO2 layer decorated with Pt and an anionic ionomer was fabricated on the surface of a membrane photocathode assembly (MPA). This MPA comprised (ZnSe)(0.85)(CuIn0.7Ga0.3Se2)(0.15) (ZnSe : CIGS) particles that promoted the photoelectrochemical (PEC) production of methylcyclohexane (MCH) from toluene and water. The Pt/TiO2 layer provided selective active sites for MCH production as well as reactant supply pathways. A tandem PEC cell consisting of the Pt/TiO2-modified ZnSe : CIGS MPA and a photoanode exhibited spontaneous MCH production with a solar-to-MCH (STMCH) conversion efficiency as high as 0.32 %. This is the first-ever report of sunlight-driven overall MCH production without any assistance of external bias voltages and demonstrates the feasibility of driving this reaction as an artificial photosynthesis.
引用
收藏
页码：4266 / 4271
页数：6
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