Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Carbon-nanotube-based Photocatalysts for Water Splitting in Cooperation with BiVO4 and [Co(bpy)3]3+/2+
Takumi IzawaVit KalousekDaiki MiyamotoNoritake MurakamiHideaki MiyakeTomoyuki TajimaWataru KurashigeYuichi NegishiKeita IkeueTakahiro OhkuboYutaka Takaguchi
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2019 Volume 48 Issue 5 Pages 410-413

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Abstract

Physical modifications of single-walled carbon nanotubes (SWCNTs) with fullerodendrons, followed by complexation with RuCl3 leads to the formation of CNT-photocatalysts that exhibit high quantum yields (QY = 12.8%) for the production of H2 from water, even under illumination with NIR light (λirr = 1005 nm) in the presence of sacrificial donor. A Z-scheme photocatalytic system, consisting of such a CNT-photocatalyst, BiVO4, and [Co(bpy)3]3+/2+ shows a production of H2 (17 µmol/h) and O2 (5.5 µmol/h) under illumination from a solar simulator (AM-1.5) with a solar-to-hydrogen (STH) efficiency of 0.089%.

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© 2019 The Chemical Society of Japan
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