The role of pendant bases in molecular catalysts for H2 oxidation and production

Mary Rakowski DuBois; Daniel L. DuBois

doi:10.1016/j.crci.2008.01.019

The role of pendant bases in molecular catalysts for H₂ oxidation and production

Mary Rakowski DuBois, Daniel L. DuBois

Pacific Northwest National Laboratory

Research output: Contribution to journal › Short survey

61 Citations (Scopus)

Abstract

The paper presents a review of recent studies of complexes of Ni(II) and Fe(II) coordinated by diphosphine ligands with amine bases incorporated into the ligand chelate rings. The role of the bases in the second coordination sphere in mediating rapid intramolecular M-H/N-H exchange as well as intermolecular exchange with protons and in promoting the coupling of proton- and electron-transfer processes has been studied. Factors that favor efficient proton relay properties for the pendant amines have been established and the information has been used to develop efficient electrocatalysts for both hydrogen oxidation and production.

Original language	English
Pages (from-to)	805-817
Number of pages	13
Journal	Comptes Rendus Chimie
Volume	11
Issue number	8
DOIs	https://doi.org/10.1016/j.crci.2008.01.019
Publication status	Published - Aug 1 2008

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Keywords

Electrocatalysts
Hydrogen oxidation
Hydrogen production
Iron
Nickel
Proton relays

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

Cite this

DuBois, M. R., & DuBois, D. L. (2008). The role of pendant bases in molecular catalysts for H₂ oxidation and production. Comptes Rendus Chimie, 11(8), 805-817. https://doi.org/10.1016/j.crci.2008.01.019

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AB - The paper presents a review of recent studies of complexes of Ni(II) and Fe(II) coordinated by diphosphine ligands with amine bases incorporated into the ligand chelate rings. The role of the bases in the second coordination sphere in mediating rapid intramolecular M-H/N-H exchange as well as intermolecular exchange with protons and in promoting the coupling of proton- and electron-transfer processes has been studied. Factors that favor efficient proton relay properties for the pendant amines have been established and the information has been used to develop efficient electrocatalysts for both hydrogen oxidation and production.

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Access to Document

10.1016/j.crci.2008.01.019