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Photoinduced Electron Transfer from a Conducting Polymer to Buckminsterfullerene
Abstract
Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C 60 , is reported. After photo-excitation of the conjugated polymer with light of energy greater than the π- π* gap, an electron transfer to the C 60 molecule is initiated. Photoinduced optical absorption studies demonstrate a different excitation spectrum for the composite as compared to the separate components, consistent with photo-excited charge transfer. A photoinduced electron spin resonance signal exhibits signatures of both the conducting polymer cation and the C 60 anion. Because the photoluminescence in the conducting polymer is quenched by interaction with C 60 , the data imply that charge transfer from the excited state occurs on a picosecond time scale. The charge-separated state in composite films is metastable at low temperatures.
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Kroto, H. W., Allaf, A. W., & Balm, S. P. (1991) · Chemical Reviews · doi:10.1021/cr00006a005 · Cited by 1,088
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High-Detectivity Polymer Photodetectors with Spectral Response from 300 nm to 1450 nm
Gong, X., Tong, M., Xia, Y., Cai, W., Moon, J. S., Cao, Y., Yu, G., Shieh, C.-L., Nilsson, B., & Heeger, A. J. (2009) · Science · doi:10.1126/science.1176706 · Cited by 1,919
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Metadata
- Authors
- Sariciftci, N. S., Smilowitz, L., Heeger, A. J., & Wudl, F.
- Venue
- Science
- Published
- 1992-11-27
- Volume
- 258
- Issue
- 5087
- Pages
- 1474-1476
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2052005018
- Cited by
- 4,273
- References
- 1
- FWCI
- 23.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sariciftci, N. S., Smilowitz, L., Heeger, A. J., & Wudl, F. (1992). Photoinduced Electron Transfer from a Conducting Polymer to Buckminsterfullerene. Science. https://doi.org/10.1126/science.258.5087.1474
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
