Recent progress in homogeneous light-driven hydrogen evolution using first-row transition metal catalysts

[Display omitted] •Efficient storage of solar energy as chemical fuels remains a challenging issue.•Photocatalytic H2 production has emerged as a promising, sustainable possibility.•Abundant first-row transition metals provide a robust platform for catalyst design.•Novel Co, Ni, Fe and Cu complexes...

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Bibliographic Details
Published in:Inorganica Chimica Acta 2021-03, Vol.517, p.119950, Article 119950
Main Authors: Mazzeo, Agostina, Santalla, Sol, Gaviglio, Carina, Doctorovich, Fabio, Pellegrino, Juan
Format: Article
Language:English
Subjects:
Homogeneous photocatalysis
Hydrogen evolution reaction
Hydrogen evolution reactions
Hydrogen production
Molecular catalysts
Nickel
Solar energy
Transition metal complexes
Transition metals
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Summary:[Display omitted] •Efficient storage of solar energy as chemical fuels remains a challenging issue.•Photocatalytic H2 production has emerged as a promising, sustainable possibility.•Abundant first-row transition metals provide a robust platform for catalyst design.•Novel Co, Ni, Fe and Cu complexes for homogeneous HER photocatalysis are discussed. The rich chemistry, low cost and availability offered by first-row transition metals have inspired many researchers to focus on the design, preparation and testing of a wide plethora of efficient catalytic systems for homogeneous light-driven hydrogen evolution based on Co, Ni, Fe and Cu complexes. Hundreds of molecular HER (hydrogen evolution reaction) photocatalysts consisting of these earth-abundant metals combined with a variety of ligands, which display different structural and redox properties, have lately been reported and tested, hoping to contribute to the eventual development of readily functioning, efficient solar energy devices for H2 generation as a green fuel. In this work, we aim to help the community to keep up with the latest advances in this exponentially growing field, with a special focus on systems reported in the 2016–2020 period.
ISSN:0020-1693
1873-3255
DOI:10.1016/j.ica.2020.119950