The DOI matches its Crossref record.
E-Type Delayed Fluorescence of a Phosphine-Supported Cu2(μ-NAr2)2 Diamond Core: Harvesting Singlet and Triplet Excitons in OLEDs
Abstract
A highly emissive bis(phosphine)diarylamido dinuclear copper(I) complex (quantum yield = 57%) was shown to exhibit E-type delayed fluorescence by variable temperature emission spectroscopy and photoluminescence decay measurement of doped vapor-deposited films. The lowest energy singlet and triplet excited states were assigned as charge transfer states on the basis of theoretical calculations and the small observed S(1)-T(1) energy gap. Vapor-deposited OLEDs doped with the complex in the emissive layer gave a maximum external quantum efficiency of 16.1%, demonstrating that triplet excitons can be harvested very efficiently through the delayed fluorescence channel. The function of the emissive dopant in OLEDs was further probed by several physical methods, including electrically detected EPR, cyclic voltammetry, and photoluminescence in the presence of applied current.
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Leitl, M. J., Krylova, V. A., Djurovich, P. I., Thompson, M. E., & Yersin, H. (2014) · Journal of the American Chemical Society · doi:10.1021/ja508155x · Cited by 470
Hsu, C.-W., Lin, C.-C., Chung, M.-W., Chi, Y., Lee, G.-H., Chou, P.-T., Chang, C.-H., & Chen, P.-Y. (2011) · Journal of the American Chemical Society · doi:10.1021/ja2026568 · Cited by 365
Shi, S., Jung, M. C., Coburn, C., Tadle, A., Sylvinson M. R., D., Djurovich, P. I., Forrest, S. R., & Thompson, M. E. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.8b12397 · Cited by 336
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Choy, W. C. H., Chan, W. K., & Yuan, Y. (2014) · Advanced Materials · doi:10.1002/adma.201306133 · Cited by 317
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Metadata
- Authors
- Deaton, J. C., Switalski, S. C., Kondakov, D. Y., Young, R. H., Pawlik, T. D., Giesen, D. J., Harkins, S. B., Miller, A. J. M., Mickenberg, S. F., & Peters, J. C.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-06-17
- Volume
- 132
- Issue
- 27
- Pages
- 9499-9508
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2014438322
- Cited by
- 500
- References
- 0
- FWCI
- 21.18
- Type
- journal article
- Language
- en
- Open access
- closed
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