Porous silicon nanoparticles as a nanophotocathode for photoelectrochemical water splitting
- 6 October 2015
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in RSC Advances
- Vol. 5 (104) , 85978-85982
Abstract
The antireflective properties and nanometer sizes of silicon nanoparticles can be exploited for improved solar energy conversion. We report on using porous silicon nanoparticles as a photocathode for photoelectrochemical water splitting. An enhancement in the photocurrent density was observed when porous silicon nanoparticles were decorated with indium phosphide nanocrystals and a bio-inspired iron sulfur carbonyl electrocatalyst. Our system gave a photocurrent density of −2.2 μA cm−2 while generating hydrogen gas.Keywords
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