Production of hydrogen peroxide as a sustainable solar fuel from water and dioxygen

Satoshi Kato; Jieun Jung; Tomoyoshi Suenobu; Shunichi Fukuzumi

doi:10.1039/c3ee42815j

Production of hydrogen peroxide as a sustainable solar fuel from water and dioxygen

Satoshi Kato, Jieun Jung, Tomoyoshi Suenobu, Shunichi Fukuzumi

Department of Chemistry & Nanoscience

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

202 Scopus citations

Abstract

Hydrogen peroxide was produced as a solar fuel from water and dioxygen using solar energy by combination of a water oxidation catalyst and a photocatalyst for two-electron reduction of O₂ in acidic aqueous solutions. Photocatalytic production of H₂O₂ occurred under photoirradiation of [Ru^II(Me₂phen)₃] ²⁺ (Me₂phen = 4,7-dimethyl-1,10-phenanthroline) used as a photocatalyst with visible light in the presence of Ir(OH)₃ acting as a water oxidation catalyst in an O₂-saturated H₂SO ₄ aqueous solution. Photoinduced electron transfer from the excited state of [Ru^II(Me₂phen)₃]²⁺ to O₂ results in the formation of [Ru^III(Me ₂phen)₃]³⁺ and a superoxide radical anion (O₂^-) which is protonated to produce H₂O ₂via disproportionation of HO₂ in competition with back electron transfer (BET) from O₂^- to [Ru ^III(Me₂phen)₃]³⁺. [Ru ^III(Me₂phen)₃]³⁺ oxidises water with the aid of catalysis of Ir(OH)₃ to produce O₂. The photocatalytic reactivity of H₂O₂ production was improved by replacing Ir(OH)₃ nanoparticles by [Co^III(Cp*) (bpy)(H₂O)]²⁺ in the presence of Sc(NO₃) ₃ in water. The optimised quantum yield of the photocatalytic H ₂O₂ production at λ = 450 nm was determined using a ferrioxalate actinometer to be 37%. The value of conversion efficiency from solar energy to chemical energy was also determined to be 0.25%.

Original language	English
Pages (from-to)	3756-3764
Number of pages	9
Journal	Energy and Environmental Science
Volume	6
Issue number	12
DOIs	https://doi.org/10.1039/c3ee42815j
State	Published - Dec 2013

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title = "Production of hydrogen peroxide as a sustainable solar fuel from water and dioxygen",

abstract = "Hydrogen peroxide was produced as a solar fuel from water and dioxygen using solar energy by combination of a water oxidation catalyst and a photocatalyst for two-electron reduction of O2 in acidic aqueous solutions. Photocatalytic production of H2O2 occurred under photoirradiation of [RuII(Me2phen)3] 2+ (Me2phen = 4,7-dimethyl-1,10-phenanthroline) used as a photocatalyst with visible light in the presence of Ir(OH)3 acting as a water oxidation catalyst in an O2-saturated H2SO 4 aqueous solution. Photoinduced electron transfer from the excited state of [RuII(Me2phen)3]2+ to O2 results in the formation of [RuIII(Me 2phen)3]3+ and a superoxide radical anion (O2-) which is protonated to produce H2O 2via disproportionation of HO2 in competition with back electron transfer (BET) from O2- to [Ru III(Me2phen)3]3+. [Ru III(Me2phen)3]3+ oxidises water with the aid of catalysis of Ir(OH)3 to produce O2. The photocatalytic reactivity of H2O2 production was improved by replacing Ir(OH)3 nanoparticles by [CoIII(Cp*) (bpy)(H2O)]2+ in the presence of Sc(NO3) 3 in water. The optimised quantum yield of the photocatalytic H 2O2 production at λ = 450 nm was determined using a ferrioxalate actinometer to be 37%. The value of conversion efficiency from solar energy to chemical energy was also determined to be 0.25%.",

author = "Satoshi Kato and Jieun Jung and Tomoyoshi Suenobu and Shunichi Fukuzumi",

year = "2013",

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doi = "10.1039/c3ee42815j",

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publisher = "Royal Society of Chemistry",

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AU - Kato, Satoshi

AU - Jung, Jieun

AU - Suenobu, Tomoyoshi

AU - Fukuzumi, Shunichi

PY - 2013/12

Y1 - 2013/12

N2 - Hydrogen peroxide was produced as a solar fuel from water and dioxygen using solar energy by combination of a water oxidation catalyst and a photocatalyst for two-electron reduction of O2 in acidic aqueous solutions. Photocatalytic production of H2O2 occurred under photoirradiation of [RuII(Me2phen)3] 2+ (Me2phen = 4,7-dimethyl-1,10-phenanthroline) used as a photocatalyst with visible light in the presence of Ir(OH)3 acting as a water oxidation catalyst in an O2-saturated H2SO 4 aqueous solution. Photoinduced electron transfer from the excited state of [RuII(Me2phen)3]2+ to O2 results in the formation of [RuIII(Me 2phen)3]3+ and a superoxide radical anion (O2-) which is protonated to produce H2O 2via disproportionation of HO2 in competition with back electron transfer (BET) from O2- to [Ru III(Me2phen)3]3+. [Ru III(Me2phen)3]3+ oxidises water with the aid of catalysis of Ir(OH)3 to produce O2. The photocatalytic reactivity of H2O2 production was improved by replacing Ir(OH)3 nanoparticles by [CoIII(Cp*) (bpy)(H2O)]2+ in the presence of Sc(NO3) 3 in water. The optimised quantum yield of the photocatalytic H 2O2 production at λ = 450 nm was determined using a ferrioxalate actinometer to be 37%. The value of conversion efficiency from solar energy to chemical energy was also determined to be 0.25%.

AB - Hydrogen peroxide was produced as a solar fuel from water and dioxygen using solar energy by combination of a water oxidation catalyst and a photocatalyst for two-electron reduction of O2 in acidic aqueous solutions. Photocatalytic production of H2O2 occurred under photoirradiation of [RuII(Me2phen)3] 2+ (Me2phen = 4,7-dimethyl-1,10-phenanthroline) used as a photocatalyst with visible light in the presence of Ir(OH)3 acting as a water oxidation catalyst in an O2-saturated H2SO 4 aqueous solution. Photoinduced electron transfer from the excited state of [RuII(Me2phen)3]2+ to O2 results in the formation of [RuIII(Me 2phen)3]3+ and a superoxide radical anion (O2-) which is protonated to produce H2O 2via disproportionation of HO2 in competition with back electron transfer (BET) from O2- to [Ru III(Me2phen)3]3+. [Ru III(Me2phen)3]3+ oxidises water with the aid of catalysis of Ir(OH)3 to produce O2. The photocatalytic reactivity of H2O2 production was improved by replacing Ir(OH)3 nanoparticles by [CoIII(Cp*) (bpy)(H2O)]2+ in the presence of Sc(NO3) 3 in water. The optimised quantum yield of the photocatalytic H 2O2 production at λ = 450 nm was determined using a ferrioxalate actinometer to be 37%. The value of conversion efficiency from solar energy to chemical energy was also determined to be 0.25%.

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JF - Energy and Environmental Science

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Production of hydrogen peroxide as a sustainable solar fuel from water and dioxygen

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