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Excimers and Exciplexes of Conjugated Polymers
Abstract
Observations of intermolecular excimers in several π-conjugated polymers and exciplexes of these polymers with tris( p -tolyl)amine are reported. It is shown that the luminescence of conjugated polymer thin films originates from excimer emission and that the generally low quantum yield is the result of self-quenching. Thus, in sufficiently dilute solution, the "single-chain" emission has a quantum yield of unity. Exciplex luminescence and exciplex-mediated charge photogeneration have much higher quantum yields than the excimer-mediated photophysical processes. These results provide a basis for understanding and controlling the photophysics of conjugated polymers in terms of supramolecular structure and morphology.
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Cited by
Electron Transport Materials for Organic Light-Emitting Diodes
Kulkarni, A. P., Tonzola, C. J., Babel, A., & Jenekhe, S. A. (2004) · Chemistry of Materials · doi:10.1021/cm049473l · Cited by 1,624
Self-citationWang, R., Zhang, C., Li, Q., Zhang, Z., Wang, X., & Xiao, M. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c04890 · Cited by 474
Xie, Z., Yang, B., Li, F., Cheng, G., Liu, L., Yang, G., Xu, H., Ye, L., Hanif, M., Liu, S., et al. (2005) · Journal of the American Chemical Society · doi:10.1021/ja054661d · Cited by 382
Yoshii, R., Hirose, A., Tanaka, K., & Chujo, Y. (2014) · Journal of the American Chemical Society · doi:10.1021/ja510985v · Cited by 346
He, J., Xu, B., Chen, F., Xia, H., Li, K., Ye, L., & Tian, W. (2009) · The Journal of Physical Chemistry C · doi:10.1021/jp900205k · Cited by 313
Metadata
- Authors
- Jenekhe, S. A., & Osaheni, J. A.
- Venue
- Science
- Published
- 1994-08-05
- Volume
- 265
- Issue
- 5173
- Pages
- 765-768
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2064325362
- Cited by
- 1,346
- References
- 0
- FWCI
- 26.84
- Type
- journal article
- Language
- en
- Open access
- closed
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