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Intermolecular Interaction and a Concentration-Quenching Mechanism of Phosphorescent Ir(III) Complexes in a Solid Film
Open accessAbstract
Solid-state self-quenching processes of highly efficient Ir(III) phosphorescent emitters are investigated by the measurement of thin film photoluminescence quantum efficiency and transient lifetime as a function of doping concentration in a host matrix. The radiative decay rate constant is found to be independent from the average distance between dopant molecules (R), and the concentration-quenching rate constant is shown to be dependent on R(-6). The quenching dependence on R strongly suggests that luminescent concentration quenching in a phosphorescent Ir(III) complex:host film is controlled by dipole-dipole deactivating interactions as described by the Förster energy transfer model.
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Cites
A Theory of Sensitized Luminescence in Solids
Dexter, D. L. (1953) · The Journal of Chemical Physics · doi:10.1063/1.1699044 · Cited by 9,032
Nearly 100% internal phosphorescence efficiency in an organic light-emitting device
Adachi, C., Baldo, M. A., Thompson, M. E., & Forrest, S. R. (2001) · Journal of Applied Physics · doi:10.1063/1.1409582 · Cited by 3,458
Self-citation10th Spiers Memorial Lecture. Transfer mechanisms of electronic excitation
Főrster, T. (1959) · Discuss. Faraday Soc. · doi:10.1039/df9592700007 · Cited by 3,369
Adachi, C., Kwong, R. C., Djurovich, P., Adamovich, V., Baldo, M. A., Thompson, M. E., & Forrest, S. R. (2001) · Applied Physics Letters · doi:10.1063/1.1400076 · Cited by 1,061
Self-citationHighly efficient phosphorescence from organic light-emitting devices with an exciton-block layer
Ikai, M., Tokito, S., Sakamoto, Y., Suzuki, T., & Taga, Y. (2001) · Applied Physics Letters · doi:10.1063/1.1385182 · Cited by 784
100% phosphorescence quantum efficiency of Ir(III) complexes in organic semiconductor films
Kawamura, Y., Goushi, K., Brooks, J., Brown, J. J., Sasabe, H., & Adachi, C. (2005) · Applied Physics Letters · doi:10.1063/1.1862777 · Cited by 738
Self-citationClassical Aspects of Energy Transfer in Molecular Systems
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Exciton diffusion in organic semiconductors
Mikhnenko, O. V., Blom, P. W. M., & Nguyen, T.-Q. (2015) · Energy & Environmental Science · doi:10.1039/c5ee00925a · Cited by 997
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Hedley, G. J., Ruseckas, A., & Samuel, I. D. W. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00215 · Cited by 580
Nonconventional luminophores: characteristics, advancements and perspectives
Tang, S., Yang, T., Zhao, Z., Zhu, T., Zhang, Q., Hou, W., & Yuan, W. Z. (2021) · Chemical Society Reviews · doi:10.1039/d0cs01087a · Cited by 462
Clustering‐Triggered Emission of Nonconjugated Polyacrylonitrile
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Metadata
- Authors
- Kawamura, Y., Brooks, J., Brown, J. J., Sasabe, H., & Adachi, C.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-01-12
- Volume
- 96
- Issue
- 1
- Pages
- 017404-017404
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1832861010
- Cited by
- 400
- References
- 7
- FWCI
- 15.52
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Kawamura, Y., Brooks, J., Brown, J. J., Sasabe, H., & Adachi, C. (2006). Intermolecular Interaction and a Concentration-Quenching Mechanism of Phosphorescent Ir(III) Complexes in a Solid Film. Physical Review Letters. https://doi.org/10.1103/physrevlett.96.017404
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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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