Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex

Shoko Aoi; Kentaro Mase; Kei Ohkubo; Shunichi Fukuzumi

doi:10.1039/c5cc05064b

Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex

Shoko Aoi, Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi

Department of Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

A one-photon two-electron process was made possible in photocatalytic H₂ evolution from ascorbic acid with a cobalt(ii) chlorin complex [Co^II(Ch)] via electron transfer from ascorbate to the excited state of [Ru(bpy)₃]²⁺ followed by electron transfer from [Ru(bpy)₃]⁺ to Co^II(Ch) with proton to give the hydride complex, which reacts with proton to produce H₂. [Co^III(Ch)]⁺ was reduced by ascorbate to reproduce Co^II(Ch).

Original language	English
Pages (from-to)	15145-15148
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	82
DOIs	https://doi.org/10.1039/c5cc05064b
State	Published - 21 Aug 2015

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© The Royal Society of Chemistry.

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title = "Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex",

abstract = "A one-photon two-electron process was made possible in photocatalytic H2 evolution from ascorbic acid with a cobalt(ii) chlorin complex [CoII(Ch)] via electron transfer from ascorbate to the excited state of [Ru(bpy)3]2+ followed by electron transfer from [Ru(bpy)3]+ to CoII(Ch) with proton to give the hydride complex, which reacts with proton to produce H2. [CoIII(Ch)]+ was reduced by ascorbate to reproduce CoII(Ch).",

author = "Shoko Aoi and Kentaro Mase and Kei Ohkubo and Shunichi Fukuzumi",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",

year = "2015",

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doi = "10.1039/c5cc05064b",

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T1 - Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex

AU - Aoi, Shoko

AU - Mase, Kentaro

AU - Ohkubo, Kei

AU - Fukuzumi, Shunichi

PY - 2015/8/21

Y1 - 2015/8/21

N2 - A one-photon two-electron process was made possible in photocatalytic H2 evolution from ascorbic acid with a cobalt(ii) chlorin complex [CoII(Ch)] via electron transfer from ascorbate to the excited state of [Ru(bpy)3]2+ followed by electron transfer from [Ru(bpy)3]+ to CoII(Ch) with proton to give the hydride complex, which reacts with proton to produce H2. [CoIII(Ch)]+ was reduced by ascorbate to reproduce CoII(Ch).

AB - A one-photon two-electron process was made possible in photocatalytic H2 evolution from ascorbic acid with a cobalt(ii) chlorin complex [CoII(Ch)] via electron transfer from ascorbate to the excited state of [Ru(bpy)3]2+ followed by electron transfer from [Ru(bpy)3]+ to CoII(Ch) with proton to give the hydride complex, which reacts with proton to produce H2. [CoIII(Ch)]+ was reduced by ascorbate to reproduce CoII(Ch).

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U2 - 10.1039/c5cc05064b

DO - 10.1039/c5cc05064b

M3 - Article

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VL - 51

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JO - Chemical Communications

JF - Chemical Communications

IS - 82

ER -

Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex

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