Photoredox catalysts based on Earth-abundant metal complexes
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Over the last decade, visible light photoredox catalysis has exploded into the consciousness of the synthetic chemist. The principal photocatalysts used are based on rare and toxic ruthenium(II) and iridium(III) complexes. This critical review focusses on Earth-abundant metal complexes as potential replacement photocatalysts and summarizes the use of photoactive Cu(I), Zn(II), Ni(0), V(V), Zr(IV), W(0), W(VI), Mo(0), Cr(III) , Co(III) and Fe(II) complexes in photoredox reactions. The optoelectronic properties of these complexes and relevant structurally related analogs, not yet used for photoredox catalysis, are disccussed in combination with the reaction scope reported for each photocatalyst. Prospects for the future of photocatalyst design are considered.
Hockin , B , Li , C , Robertson , N & Zysman-Colman , E 2019 , ' Photoredox catalysts based on Earth-abundant metal complexes ' , Catalysis Science & Technology , vol. 9 , no. 4 , pp. 889-915 . https://doi.org/10.1039/C8CY02336K
Catalysis Science & Technology
Copyright © 2019 The Author(s). This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1039/C8CY02336K
DescriptionWe would like to thank the Engineering and Physical Sciences Research Council and CRITICAT Centre for Doctoral Training for financial support [Ph.D. studentship to B.H.; Grant code: EP/L016419/1]. C.L thanks the Prof. & Mrs Purdie Bequests Scholarship and AstraZeneca for his PhD Studentship.
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