Highly dispersed noble-metal/chromia (core/shell) nanoparticles as efficient hydrogen evolution promoters for photocatalytic overall water splitting under visible light

Naoyuki Sakamoto; Hajime Ohtsuka; Takahiro Ikeda; Kazuhiko Maeda; Daling Lu; Masayuki Kanehara; Kentaro Teramura; Toshiharu Teranishi; Kazunari Domen

doi:10.1039/B9NR00186G

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Nanoscale

Issue 1, 2009

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Highly dispersed noble-metal/chromia (core/shell) nanoparticles as efficient hydrogen evolution promoters for photocatalytic overall water splitting under visible light

Naoyuki Sakamoto , Hajime Ohtsuka , Takahiro Ikeda , Kazuhiko Maeda , Daling Lu , Masayuki Kanehara , Kentaro Teramura , Toshiharu Teranishi and Kazunari Domen

Nanoscale, 2009, 1, 106-109

DOI: 10.1039/B9NR00186G
Received 16 Jul 2009, Accepted 23 Aug 2009
First published on the web 03 Sep 2009

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Abstract
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Highly dispersed rhodium nanoparticles (1.7 ± 0.3 nm) prepared by a liquid-phase reduction method were loaded on a solid solution of GaN and ZnO without forming aggregates, achieving improved activity for visible-light-driven overall water splitting when the nanoparticles are coated with a chromia shell.

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Supplementary Info

Experimental details, UV–vis spectra for the aqueouspreparation solution before and after reduction by sodiumborohydride, particle size distribution histograms for Rhnanoparticles on GaN:ZnO, and photocatalytic activity of Cr₂O₃/M/GaN:ZnO (M = Pd, Pt) for overall water splittingunder visible irradiation (λ > 400 nm)
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Articles By

Naoyuki Sakamoto
Hajime Ohtsuka
Takahiro Ikeda
Kazuhiko Maeda
Daling Lu
Masayuki Kanehara
Kentaro Teramura
Toshiharu Teranishi
Kazunari Domen

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Nanoscale

Highly dispersed noble-metal/chromia (core/shell) nanoparticles as efficient hydrogen evolution promoters for photocatalytic overall water splitting under visible light

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