Singlet Fission in Crystalline Organic Materials: Recent Insights and Future Directions

Overview

Journal J Phys Chem Lett

Publisher American Chemical Society

Specialty Chemistry

Date 2019 Nov 6

PMID 31689105

Citations 13

Authors

Kevin M Felter

Ferdinand C Grozema

Affiliations

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Abstract

Singlet fission (SF) involves the conversion of one excited singlet state into two lower excited triplet states and has received considerable renewed attention over the past decade. This Perspective highlights recent developments and emerging concepts of SF in solid-state crystalline materials. Recent experiments showed the crucial role of vibrational modes in speeding up SF, and theoretical modeling has started to define an optimal energetic landscape and intermolecular orientation of chromophores for highly efficient singlet fission. A critical analysis of these developments leads to directions for future research to eventually find singlet fission chromophores with excellent optoelectronic properties.

Citing Articles

Machine learning photodynamics decode multiple singlet fission channels in pentacene crystal.

Li Z, Hernandez F, Salguero C, Lopez S, Crespo-Otero R, Li J Nat Commun. 2025; 16(1):1194.

PMID: 39885157 PMC: 11782655. DOI: 10.1038/s41467-025-56480-y.

Long-Lived Triplets from Singlet Fission in Pentacene-Decorated Helical Supramolecular Polymers.

Lavarda G, Sharma A, Beslac M, Jansen S, Meskers S, Friend R J Am Chem Soc. 2024; 146(42):28985-28993.

PMID: 39380134 PMC: 11505394. DOI: 10.1021/jacs.4c09844.

Computational Discovery of Intermolecular Singlet Fission Materials Using Many-Body Perturbation Theory.

Wang X, Gao S, Luo Y, Liu X, Tom R, Zhao K J Phys Chem C Nanomater Interfaces. 2024; 128(19):7841-7864.

PMID: 38774154 PMC: 11103713. DOI: 10.1021/acs.jpcc.4c01340.

Catalyzing Singlet Fission by Transition Metals: Second versus Third Row Effects.

Hou Y, Papadopoulos I, Bo Y, Wollny A, Ferguson M, Mai L Precis Chem. 2023; 1(9):555-564.

PMID: 38037593 PMC: 10685717. DOI: 10.1021/prechem.3c00082.

Aza-Cibalackrot: Turning on Singlet Fission Through Crystal Engineering.

Purdy M, Walton J, Fallon K, Toolan D, Budden P, Zeng W J Am Chem Soc. 2023; 145(19):10712-10720.

PMID: 37133417 PMC: 10197122. DOI: 10.1021/jacs.3c00971.

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