CO2 photoreduction by 4-ferrocenyl appended bipyridine coordinated Re(I) complexes

Shriya Saha; Dolores G. Gil-Gavilán; Matthias J. Gutmann; Debasish Manna; Souvik Roy; Raja Mitra

doi:10.1039/D6DT00728G

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CO₂ photoreduction by 4-ferrocenyl appended bipyridine coordinated Re(i) complexes

Shriya Saha,

^a Dolores G. Gil-Gavilán,^b Matthias J. Gutmann,^c Debasish Manna,

^d Souvik Roy

*^b and Raja Mitra

*^ae

Author affiliations

* Corresponding authors

^a School of Chemical and Materials Sciences, Indian Institute of Technology Goa, Farmagudi, Goa 403401, India
E-mail: rajamitra@iitgoa.ac.in

^b School of Natural Sciences, University of Lincoln, Green Lane, Lincoln, Lincolnshire, UK
E-mail: sroy@lincoln.ac.uk

^c Rutherford Appleton Laboratory, ISIS Facility, Chilton Didcot, Oxfordshire OX11 0QX, UK

^d Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, MP 462066, India

^e Center of Excellence in Sustainable Energy, Indian Institute of Technology Goa, Farmagudi, Goa-403401, India

Abstract

4-Ferrocenyl-bipyridine ligands (2a–d) and their respective [Re(L)(CO)₃Br] (L = 3a–d) complexes were synthesized and investigated for CO₂ photoreduction. The single-crystal analysis showed the formation of a by-product, 2d′, and its synthesis by self-aldol condensation explains the low yield observed for ligands. The Re(I) complexes showed CO₂ photoreduction with >90% selectivity for CO.

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Article information

DOI: https://doi.org/10.1039/D6DT00728G
Article type: Communication
Submitted: 30 Mar 2026
Accepted: 23 Apr 2026
First published: 29 Apr 2026

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Dalton Trans., 2026, Advance Article

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CO₂ photoreduction by 4-ferrocenyl appended bipyridine coordinated Re(I) complexes

S. Saha, D. G. Gil-Gavilán, M. J. Gutmann, D. Manna, S. Roy and R. Mitra, Dalton Trans., 2026, Advance Article , DOI: 10.1039/D6DT00728G

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