Solar-to-Hydrogen Conversion Efficiency of Water Photolysis with Epitaxially Grown p-Type SiC

Tomonari Yasuda; Masashi Kato; Masaya Ichimura; Tomoaki Hatayama

doi:10.4028/www.scientific.net/MSF.740-742.859

Paper Titles

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Pressureless Silver Sintering Die-Attach for SiC Power Devices
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Process Tolerant Single Photolithography/Implantation 120-Zone Junction Termination Extension
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Solar-to-Hydrogen Conversion Efficiency of Water Photolysis with Epitaxially Grown p-Type SiC
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Subnanosecond Semiconductor Opening Switch Based on 4H-SiC Junction Diode
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SiC High Power Devices – Challenges for Assembly and Thermal Management
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Reverse Leakage Currents in High-Voltage 4H-SiC Schottky Diodes
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HomeMaterials Science ForumMaterials Science Forum Vols. 740-742Solar-to-Hydrogen Conversion Efficiency of Water...

Solar-to-Hydrogen Conversion Efficiency of Water Photolysis with Epitaxially Grown p-Type SiC

Abstract:

Solar-to-hydrogen conversion efficiencies of water photolysis with epitaxially grown p-type 4H-, 6H- and 3C-SiC were estimated in the two electrode system. For all the polytypes, the efficiency with a Pt counter electrode in the two electrode system was very low compared with those in the three electrode system. However, when Ni was used as a counter electrode in the two electrode system, photocurrents were as large as the three electrode system. The estimated efficiencies seem to depend on the bandgap of SiC polytypes, and the highest solar-to-hydrogen conversion efficiency was 0.38% with 3C-SiC.

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Periodical:

Materials Science Forum (Volumes 740-742)

Pages:

859-862

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.740-742.859

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Online since:

January 2013

Authors:

Tomonari Yasuda, Masashi Kato, Masaya Ichimura, Tomoaki Hatayama

Keywords:

Hydrogen, Photoelectrochemical Properties, Water Photolysis, Water Splitting

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