Electron spin resonance resolves intermediate triplet states in delayed fluorescence

Bluebell H. Drummond; Naoya Aizawa; Yadong Zhang; William K. Myers; Yao Xiong; Matthew W. Cooper; Stephen Barlow; Qinying Gu; Leah R. Weiss; Alexander J. Gillett; Dan Credgington; Yong-Jin Pu; Seth R. Marder; Emrys W. Evans

doi:10.1038/s41467-021-24612-9

Nature Communications (Jul 2021)

Electron spin resonance resolves intermediate triplet states in delayed fluorescence

Bluebell H. Drummond,
Naoya Aizawa,
Yadong Zhang,
William K. Myers,
Yao Xiong,
Matthew W. Cooper,
Stephen Barlow,
Qinying Gu,
Leah R. Weiss,
Alexander J. Gillett,
Dan Credgington,
Yong-Jin Pu,
Seth R. Marder,
Emrys W. Evans

Affiliations

Bluebell H. Drummond: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge
Naoya Aizawa: RIKEN Center for Emergent Matter Science (CEMS)
Yadong Zhang: School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology
William K. Myers: Centre for Advanced Electron Spin Resonance (CAESR), Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory
Yao Xiong: School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology
Matthew W. Cooper: School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology
Stephen Barlow: School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology
Qinying Gu: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge
Leah R. Weiss: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge
Alexander J. Gillett: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge
Dan Credgington: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge
Yong-Jin Pu: RIKEN Center for Emergent Matter Science (CEMS)
Seth R. Marder: School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology
Emrys W. Evans: Department of Physics, Cavendish Laboratory, J J Thomson Avenue, University of Cambridge

DOI: https://doi.org/10.1038/s41467-021-24612-9
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 11

Abstract

Read online

Despite advances in the design of thermally activated delayed fluorescence (TADF) emitters for devices, the effect of spin interactions is not well understood. Here, the authors report the role of spin-vibronic coupling in TADF organic emitters using transient electron spin resonance spectroscopy.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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