Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO4 and [Co(bpy)3]3+/2+

Takumi Izawa; Vit Kalousek; Daiki Miyamoto; Noritake Murakami; Hideaki Miyake; Tomoyuki Tajima; Wataru Kurashige; Yuichi Negishi; Keita Ikeue; Takahiro Ohkubo; Yutaka Takaguchi

doi:10.1246/cl.180999

Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO₄ and [Co(bpy)₃]^3+/2+

Takumi Izawa, Vit Kalousek, Daiki Miyamoto, Noritake Murakami, Hideaki Miyake, Tomoyuki Tajima, Wataru Kurashige, Yuichi Negishi, Keita Ikeue, Takahiro Ohkubo, Yutaka Takaguchi

Research output: Contribution to journal › Review article

1 Citation (Scopus)

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 (λ_irr = 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 (5.5μmol/h) under illumination from a solar simulator (AM-1.5) with a solar-to-hydrogen (STH) efficiency of 0.089%.

Original language	English
Pages (from-to)	410-413
Number of pages	4
Journal	Chemistry Letters
Volume	48
Issue number	5
DOIs	https://doi.org/10.1246/cl.180999
Publication status	Published - 2019

Keywords

Carbon nanotube
Photocatalyst
Water-splitting

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.180999

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Izawa, T., Kalousek, V., Miyamoto, D., Murakami, N., Miyake, H., Tajima, T., Kurashige, W., Negishi, Y., Ikeue, K., Ohkubo, T., & Takaguchi, Y. (2019). Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO₄ and [Co(bpy)₃]^3+/2+ Chemistry Letters, 48(5), 410-413. https://doi.org/10.1246/cl.180999

Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO₄ and [Co(bpy)₃]^3+/2+ . / Izawa, Takumi; Kalousek, Vit; Miyamoto, Daiki; Murakami, Noritake; Miyake, Hideaki; Tajima, Tomoyuki; Kurashige, Wataru; Negishi, Yuichi; Ikeue, Keita; Ohkubo, Takahiro ; Takaguchi, Yutaka.

In: Chemistry Letters, Vol. 48, No. 5, 2019, p. 410-413.

Research output: Contribution to journal › Review article

Izawa, Takumi ; Kalousek, Vit ; Miyamoto, Daiki ; Murakami, Noritake ; Miyake, Hideaki ; Tajima, Tomoyuki ; Kurashige, Wataru ; Negishi, Yuichi ; Ikeue, Keita ; Ohkubo, Takahiro ; Takaguchi, Yutaka. / Carbon-nanotube-based photocatalysts for water splitting in cooperation with BiVO₄ and [Co(bpy)₃]^3+/2+ In: Chemistry Letters. 2019 ; Vol. 48, No. 5. pp. 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 (5.5μmol/h) under illumination from a solar simulator (AM-1.5) with a solar-to-hydrogen (STH) efficiency of 0.089%.",

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AU - Murakami, Noritake

AU - Miyake, Hideaki

AU - Tajima, Tomoyuki

AU - Kurashige, Wataru

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AU - Ohkubo, Takahiro

AU - Takaguchi, Yutaka

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AB - 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 (5.5μmol/h) under illumination from a solar simulator (AM-1.5) with a solar-to-hydrogen (STH) efficiency of 0.089%.

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