Black Silicon Photoanodes Entirely Prepared with Abundant Materials by Low-Cost Wet Methods - Université de Rennes Access content directly
Journal Articles ACS Applied Energy Materials Year : 2019

Black Silicon Photoanodes Entirely Prepared with Abundant Materials by Low-Cost Wet Methods

L. Joanny
  • Function : Author
F. Gouttefangeas
Bruno Fabre
V. Dorcet
  • Function : Author
B. Lassalle-Kaiser
  • Function : Author
A. Vacher
  • Function : Author
Cristelle Mériadec
S. Ababou-Girard

Abstract

We report a new design for water-splitting photoanodes, based on a highly absorbing black silicon (BSi) substrate modified with catalytic metal nanoparticles (NPs). The overall fabrication strategy is cost-efficient as it only requires the use of abundant materials and simple wet procedures such as electrochemical etching and electrodeposition and does not involve the use of a buried homojunction and protection layer. Importantly, these results demonstrate that electrodeposited transition metal NPs can stabilize structured Si photoelectrodes without the need for a protection layer.
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Dates and versions

hal-02086216 , version 1 (15-04-2019)

Identifiers

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K. Oh, L. Joanny, F. Gouttefangeas, Bruno Fabre, V. Dorcet, et al.. Black Silicon Photoanodes Entirely Prepared with Abundant Materials by Low-Cost Wet Methods. ACS Applied Energy Materials, 2019, ACS Appl. Energy Mater., 2 (2), pp.1006. ⟨10.1021/acsaem.8b02229⟩. ⟨hal-02086216⟩
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