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Singlet and Triplet Exciton Formation Rates in Conjugated Polymer Light-Emitting Diodes
Open accessAbstract
By applying a molecular orbital perturbation approach, we calculate the formation rates for singlet and triplet molecular excitons associated with intermolecular charge-transfer processes. It is found that the interchain bond-charge correlation has a strong influence on the relative probabilities for generating singlet and triplet excitons. Most importantly, application of our approach to a model system for poly-(paraphenylenevinylene) shows that the ratio between the electroluminescence and photoluminescence quantum yields generally exceeds the 25% spin-degeneracy statistical limit.
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Cites
Absence of Diffusion in Certain Random Lattices
Anderson, P. W. (1958) · Physical Review · doi:10.1103/physrev.109.1492 · Cited by 12,468
Cited by
Synthesis of Light-Emitting Conjugated Polymers for Applications in Electroluminescent Devices
Grimsdale, A. C., Leok Chan, K., Martin, R. E., Jokisz, P. G., & Holmes, A. B. (2009) · Chemical Reviews · doi:10.1021/cr000013v · Cited by 2,640
Li, W., Pan, Y., Xiao, R., Peng, Q., Zhang, S., Ma, D., Li, F., Shen, F., Wang, Y., Yang, B., et al. (2014) · Advanced Functional Materials · doi:10.1002/adfm.201301750 · Cited by 721
The energy gap law for triplet states in Pt-containing conjugated polymers and monomers
Wilson, J. S., Chawdhury, N., Al-Mandhary, M. R. A., Younus, M., Khan, M. S., Raithby, P. R., Köhler, A., & Friend, R. H. (2001) · Journal of the American Chemical Society · doi:10.1021/ja010986s · Cited by 553
Li, W., Pan, Y., Yao, L., Liu, H., Zhang, S., Wang, C., Shen, F., Lu, P., Yang, B., & Ma, Y. (2014) · Advanced Optical Materials · doi:10.1002/adom.201400154 · Cited by 477
Shuai, Z., & Peng, Q. (2014) · Physics Reports · doi:10.1016/j.physrep.2013.12.002 · Cited by 477
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Metadata
- Authors
- Shuai, Z., Beljonne, D., Silbey, R. J., & Brédas, J. L.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2000-01-03
- Volume
- 84
- Issue
- 1
- Pages
- 131-134
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2049431510
- Cited by
- 259
- References
- 1
- FWCI
- 28.15
- Type
- journal article
- Language
- en
- Open access
- green
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- Shuai, Z., Beljonne, D., Silbey, R. J., & Brédas, J. L. (2000). Singlet and Triplet Exciton Formation Rates in Conjugated Polymer Light-Emitting Diodes. Physical Review Letters. https://doi.org/10.1103/physrevlett.84.131
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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