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

页码：4266 / 4271

页数：6

共 27 条

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