Polymeric Metal Salen-Type Complexes as Catalysts for Photoelectrocatalytic Hydrogen Peroxide Production

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Polymeric Metal Salen-Type Complexes as Catalysts for Photoelectrocatalytic Hydrogen Peroxide Production. / Konev, Alexander S.; Kayumov, Mikhail Yu; Karushev, Mikhail P.; Novoselova, Yuliia V.; Lukyanov, Daniil A.; Alekseeva, Elena V.; Levin, Oleg V.

In: ChemElectroChem, Vol. 5, No. 21, 02.11.2018, p. 3138-3142.

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

BibTeX

@article{bb1d321c55ce4ae6adacfe0a50357afd,

title = "Polymeric Metal Salen-Type Complexes as Catalysts for Photoelectrocatalytic Hydrogen Peroxide Production",

abstract = "Electroactive and conductive polymers based on transition metal complexes with salen-type ligands are of interest as potential materials for energy storage and solar energy conversion. The easily tunable structure of monomers allows to modify polymer properties by changing either the central metal atom or the ligand substituents. Herein we report the photoelectrocatalytic activity of [MII(L)]n complexes, where M is Ni, Cu or Pd, and L is a tetradentate N,N,O,O salen-type ligand, in the reduction of molecular oxygen to hydrogen peroxide in water solutions on polymer-coated ITO electrodes. The photocathodic current at 0 V vs. Ag/AgCl is pH-dependent, reaching maximum at pH 1 and dropping almost to zero at pH 12. Hydrogen peroxide production is almost quantitative (97 % efficiency measured in 1-compartment cell). Maximal photocurrent and H2O2 concentrations achieved comprise 23 μA/cm2 and 1.3×10−3 M respectively.",

keywords = "metal salen complexes, peroxides, photocatalysis, photoelectrochemistry, polymers, ELECTROCATALYTIC REDUCTION, 2-PHENYL-4-(1-NAPHTHYL)QUINOLINIUM ION, PHOTOCATALYTIC PRODUCTION, H2O2 PRODUCTION, VISIBLE-LIGHT, PHOTOREDUCTION, SELECTIVE PRODUCTION, TIO2 PHOTOCATALYSTS, MOLECULAR-OXYGEN, WATER",

author = "Konev, {Alexander S.} and Kayumov, {Mikhail Yu} and Karushev, {Mikhail P.} and Novoselova, {Yuliia V.} and Lukyanov, {Daniil A.} and Alekseeva, {Elena V.} and Levin, {Oleg V.}",

year = "2018",

month = nov,

day = "2",

doi = "10.1002/celc.201800846",

language = "English",

volume = "5",

pages = "3138--3142",

journal = "ChemElectroChem",

issn = "2196-0216",

publisher = "Wiley-Blackwell",

number = "21",

}

RIS

TY - JOUR

T1 - Polymeric Metal Salen-Type Complexes as Catalysts for Photoelectrocatalytic Hydrogen Peroxide Production

AU - Konev, Alexander S.

AU - Kayumov, Mikhail Yu

AU - Karushev, Mikhail P.

AU - Novoselova, Yuliia V.

AU - Lukyanov, Daniil A.

AU - Alekseeva, Elena V.

AU - Levin, Oleg V.

PY - 2018/11/2

Y1 - 2018/11/2

N2 - Electroactive and conductive polymers based on transition metal complexes with salen-type ligands are of interest as potential materials for energy storage and solar energy conversion. The easily tunable structure of monomers allows to modify polymer properties by changing either the central metal atom or the ligand substituents. Herein we report the photoelectrocatalytic activity of [MII(L)]n complexes, where M is Ni, Cu or Pd, and L is a tetradentate N,N,O,O salen-type ligand, in the reduction of molecular oxygen to hydrogen peroxide in water solutions on polymer-coated ITO electrodes. The photocathodic current at 0 V vs. Ag/AgCl is pH-dependent, reaching maximum at pH 1 and dropping almost to zero at pH 12. Hydrogen peroxide production is almost quantitative (97 % efficiency measured in 1-compartment cell). Maximal photocurrent and H2O2 concentrations achieved comprise 23 μA/cm2 and 1.3×10−3 M respectively.

AB - Electroactive and conductive polymers based on transition metal complexes with salen-type ligands are of interest as potential materials for energy storage and solar energy conversion. The easily tunable structure of monomers allows to modify polymer properties by changing either the central metal atom or the ligand substituents. Herein we report the photoelectrocatalytic activity of [MII(L)]n complexes, where M is Ni, Cu or Pd, and L is a tetradentate N,N,O,O salen-type ligand, in the reduction of molecular oxygen to hydrogen peroxide in water solutions on polymer-coated ITO electrodes. The photocathodic current at 0 V vs. Ag/AgCl is pH-dependent, reaching maximum at pH 1 and dropping almost to zero at pH 12. Hydrogen peroxide production is almost quantitative (97 % efficiency measured in 1-compartment cell). Maximal photocurrent and H2O2 concentrations achieved comprise 23 μA/cm2 and 1.3×10−3 M respectively.

KW - metal salen complexes

KW - peroxides

KW - photocatalysis

KW - photoelectrochemistry

KW - polymers

KW - ELECTROCATALYTIC REDUCTION

KW - 2-PHENYL-4-(1-NAPHTHYL)QUINOLINIUM ION

KW - PHOTOCATALYTIC PRODUCTION

KW - H2O2 PRODUCTION

KW - VISIBLE-LIGHT

KW - PHOTOREDUCTION

KW - SELECTIVE PRODUCTION

KW - TIO2 PHOTOCATALYSTS

KW - MOLECULAR-OXYGEN

KW - WATER

UR - http://www.scopus.com/inward/record.url?scp=85052842671&partnerID=8YFLogxK

UR - http://www.mendeley.com/research/polymeric-metal-salentype-complexes-catalysts-photoelectrocatalytic-hydrogen-peroxide-production

U2 - 10.1002/celc.201800846

DO - 10.1002/celc.201800846

M3 - Article

AN - SCOPUS:85052842671

VL - 5

SP - 3138

EP - 3142

JO - ChemElectroChem

JF - ChemElectroChem

SN - 2196-0216

IS - 21

ER -

ID: 34507491