Photoelectrochemical Hydrogen Production on InP Nanowire Arrays with Molybdenum Sulfide Electrocatalysts

被引：101

作者：

Gao, Lu ^{[1
]}

Cui, Yingchao ^{[2
]}

Wang, Jia ^{[2
]}

Cavalli, Alessandro ^{[2
]}

Standing, Anthony ^{[2
]}

Vu, Thuy T. T. ^{[2
]}

Verheijen, Marcel A. ^{[2
,3
]}

Haverkort, Jos E. M. ^{[2
]}

Bakkers, Erik P. A. M. ^{[2
,4
]}

Notten, Peter H. L. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Chem Engn & Chem, NL-5600 MB Eindhoven, Netherlands

[2] Eindhoven Univ Technol, Dept Appl Phys, NL-5600 MB Eindhoven, Netherlands

[3] Philips Innovat Serv Eindhoven, NL-5656 AE Eindhoven, Netherlands

[4] Delft Univ Technol, Kavli Inst Nanosci Delft, NL-2600 LS Delft, Netherlands

来源：

NANO LETTERS | 2014年 / 14卷 / 07期

关键词：

Semiconductor nanowires; solar fuel; photoelectrochemistry; hydrogen production; ENERGY-CONVERSION PROPERTIES; SOLAR-CELLS; EFFICIENT SOLAR; H-2; EVOLUTION; GENERATION; MOS2; PHOTOCATHODES; ELECTROLYSIS; ENHANCEMENT; CATALYSTS;

D O I：

10.1021/nl404540f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Semiconductor nanowire arrays are expected to be advantageous for photoelectrochemical energy conversion due to their reduced materials consumption. In addition, with the nanowire geometry the length scales for light absorption and carrier separation are decoupled, which should suppress bulk recombination. Here, we use vertically aligned p-type InP nanowire arrays, coated with noble-metal-free MoS3 nanoparticles, as the cathode for photoelectrochemical hydrogen production from water. We demonstrate a photocathode efficiency of 6.4% under Air Mass 1.5G illumination with only 3% of the surface area covered by nanowires.

引用

页码：3715 / 3719

页数：5

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