Light induced hydrogen generation with silicon-based thin film tandem solar cells used as photocathode

被引：22

作者：

Kaiser, Bernhard ^{[1
]}

Calvet, Wolfram ^{[1
]}

Murugasen, Eswaran ^{[1
]}

Ziegler, Juergen ^{[1
]}

Jaegermann, Wolfram ^{[1
]}

Pust, Sascha E. ^{[2
]}

Finger, Friedhelm ^{[2
]}

Hoch, Sascha ^{[3
]}

Blug, Matthias ^{[3
]}

Busse, Jens ^{[3
]}

机构：

[1] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany

[2] Forschungszentrum Julich, IEK 5, D-52425 Julich, Germany

[3] Euon Ind AG, Creauis Technol & Innovat, D-45722 Marl, Germany

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 02期

关键词：

Photoelectrochemistry; Nanoparticles; Photovoltaic converter; Silicon; Tandem cells; EFFICIENT SOLAR; PHOTOELECTROCHEMICAL DEVICE; TRIPLE STACK; WATER; ELECTROLYSIS; EVOLUTION; PHOTOELECTROLYSIS; PHOTOLYSIS; CATALYSTS; DESIGN;

D O I：

10.1016/j.ijhydene.2014.11.012

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：

Thin film tandem solar cells based on amorphous and microcrystalline silicon (a-Si:H/mu c-Si:H) are employed as the cathode in a photoelectrochemical converter for solar water splitting. It is setup in such a way that the silver back contact of the cell is directly connected to the electrolyte and the light enters the cell through the glass substrate. This arrangement offers a number of distinct advantages compared to the conventional designs. The cathode is further optimized by the deposition of platinum nanoparticles to achieve higher conversion efficiencies. The front contact of the photovoltaic cell is connected to a standard platinum counter electrode in a three-electrode arrangement. Photon to current conversion efficiencies can reach up to 3% for our design, which has not been optimized to the requirements of the water splitting reaction, yet. The optimization of such tandem devices made from abundant silicon in combination with nanoparticle catalysts offers an affordable pathway for direct solar-to-fuel conversion devices in form of an artificial inorganic leaf. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：899 / 904

页数：6

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