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Cited by 334

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Twisted Intramolecular Charge Transfer State for Long-Wavelength Thermally Activated Delayed Fluorescence

Tanaka, Hiroyuki, Shizu, Katsuyuki, Nakanotani, Hajime, Adachi, Chihaya·2013·Chemistry of Materials

Abstract

Emission wavelength tuning of thermally activated delayed fluorescence from green to orange in solid state films is demonstrated. Emission tuning occurs by stabilization of the intramolecular charge transfer state between a phenoxazine (PXZ) donor unit and 2,4,6-triphenyl-1,3,5-triazine (TRZ) acceptor unit separated by a large twist angle. The emission wavelengths of mono-, bis-, and tri-PXZ-substituted TRZ exhibit a gradual red shift while maintaining a small energy gap between the singlet and triplet excited states. An organic light-emitting diode containing a tri-PXZ-TRZ emitter exhibited a maximum external quantum efficiency of 13.3 ± 0.5% with yellow-orange emission.

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Metadata

Authors
Tanaka, H., Shizu, K., Nakanotani, H., & Adachi, C.
Venue
Chemistry of Materials
Published
2013-09-13
Volume
25
Issue
18
Pages
3766-3771
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2014599327
Cited by
334
References
1
FWCI
16.97
Type
journal article
Language
en
Open access
closed

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