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Photoluminescence quenching at apolythiophene/C60heterojunction
Abstract
Quenching of photoluminescence in a substituted polythiophene in the presence of a deposited ${\mathrm{C}}_{60}$ layer is studied by steady-state and time-resolved photoluminescence (PL). The steady-state PL is evaluated by considering the interference of the absorbed and emitted electro-optical field in the thin film coupled to exciton diffusion in the conjugated polymer. PL quenching occurs for excitons generated within 5 nm from the heterojunction. A blueshift of the polymer emission spectrum is observed when ${\mathrm{C}}_{60}$ is deposited on top of a polymer thin film. The blueshift is shown to be caused by PL quenching before the excitation is transferred to the lowest-energy sites.
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Metadata
- Authors
- Theander, M., Yartsev, A., Zigmantas, D., Sundström, V., Mammo, W., Andersson, M. R., & Inganäs, O.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2000-05-15
- Volume
- 61
- Issue
- 19
- Pages
- 12957-12963
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W1721861671
- Cited by
- 246
- References
- 0
- FWCI
- 6.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Theander, M., Yartsev, A., Zigmantas, D., Sundström, V., Mammo, W., Andersson, M. R., & Inganäs, O. (2000). Photoluminescence quenching at apolythiophene/C60heterojunction. Physical Review B. https://doi.org/10.1103/physrevb.61.12957
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