Kinetic trapping for the production of a long-lived 3MLCT excited state in Fe(II) complexes

Rajani Thapa Magar; Matthew T. Fortunato; Gregory M. Curtin; Mawuli Deegbey; Margarita Romero; Sean G. Maez; Elena Jakubikova; Claudia Turro; Jeffrey J. Rack

doi:10.1039/D5CC04743A

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Kinetic trapping for the production of a long-lived ³MLCT excited state in Fe(ii) complexes

Rajani Thapa Magar,^b Matthew T. Fortunato,^b Gregory M. Curtin,

^c Mawuli Deegbey,^c Margarita Romero,^ad Sean G. Maez,^a Elena Jakubikova,

*^c Claudia Turro

*^b and Jeffrey J. Rack

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, NM 87131-0001, USA
E-mail: jrack@unm.edu

^b Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA
E-mail: turro.1@osu.edu

^c Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA
E-mail: ejakubi@ncsu.edu

^d Arrowhead Park Early College High School, Las Cruces, NM 88011, USA
E-mail: mromero@lcps.net

Abstract

The formation of long-lived metal-to-ligand charge-transfer (MLCT) excited states in iron complexes has been challenging, but is critical for the development of affordable sensitizers for solar energy conversion. Iron complexes with extended aromatic ligands were prepared and their excited state properties are consistent with an MLCT state.

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Article information

DOI: https://doi.org/10.1039/D5CC04743A
Article type: Communication
Submitted: 21 Aug 2025
Accepted: 29 Oct 2025
First published: 17 Nov 2025

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Chem. Commun., 2025, Advance Article

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Kinetic trapping for the production of a long-lived ³MLCT excited state in Fe(II) complexes

R. T. Magar, M. T. Fortunato, G. M. Curtin, M. Deegbey, M. Romero, S. G. Maez, E. Jakubikova, C. Turro and J. J. Rack, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC04743A

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