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Control of Energy Transfer in Oriented Conjugated Polymer-Mesoporous Silica Composites
Abstract
Nanoscale architecture was used to control energy transfer in semiconducting polymers embedded in the channels of oriented, hexagonal nanoporous silica. Polarized femtosecond spectroscopies show that excitations migrate unidirectionally from aggregated, randomly oriented polymer segments outside the pores to isolated, aligned polymer chains within the pores. Energy migration along the conjugated polymer backbone occurred more slowly than Förster energy transfer between polymer chains. The different intrachain and interchain energy transfer time scales explain the behavior of conjugated polymers in a range of solution environments. The results provide insights for optimizing nanostructured materials for use in optoelectronic devices.
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Cited by
Challenges and breakthroughs in recent research on self-assembly
Ariga, K., Hill, J. P., Lee, M. V., Vinu, A., Charvet, R., & Acharya, S. (2008) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/9/1/014109 · Cited by 759
Self-assembly of mesoscopically ordered chromatic polydiacetylene/silica nanocomposites
Lu, Y., Yang, Y., Sellinger, A., Lu, M., Huang, J., Fan, H., Haddad, R., Lopez, G., Burns, A. R., Sasaki, D. Y., et al. (2001) · Nature · doi:10.1038/35073544 · Cited by 555
Collective fluorescence switching of counterion-assembled dyes in polymer nanoparticles
Reisch, A., Didier, P., Richert, L., Oncul, S., Arntz, Y., Mély, Y., & Klymchenko, A. S. (2014) · Nature Communications · doi:10.1038/ncomms5089 · Cited by 226
Controlled non-classical photon emission from single conjugated polymer molecules
Hollars, C. W., Lane, S. M., & Huser, T. (2003) · Chemical Physics Letters · doi:10.1016/s0009-2614(03)00091-5 · Cited by 96
Habuchi, S., Onda, S., & Vacha, M. (2011) · Phys. Chem. Chem. Phys. · doi:10.1039/c0cp01729a · Cited by 65
Metadata
- Authors
- Nguyen, T.-Q., Wu, J., Doan, V., Schwartz, B. J., & Tolbert, S. H.
- Venue
- Science
- Published
- 2000-04-28
- Volume
- 288
- Issue
- 5466
- Pages
- 652-656
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2021297270
- Cited by
- 650
- References
- 0
- FWCI
- 40.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nguyen, T.-Q., Wu, J., Doan, V., Schwartz, B. J., & Tolbert, S. H. (2000). Control of Energy Transfer in Oriented Conjugated Polymer-Mesoporous Silica Composites. Science. https://doi.org/10.1126/science.288.5466.652
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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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