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Theory of photogeneration and fluorescence quenching
Abstract
We give the exact solution of the geminate recombination probability of a pair of oppositely charged particles, corresponding to the boundary condition of a partly absorbing sphere of finite radius at the origin. In the limit of an infinite recombination velocity (κ→∞) and a vanishing radius (a→0) we recover the well-known result of Onsager. We use the solution in the formulation of a model of photogeneration and fluorescence quenching in organic solids, with thermalization lengths which are comparable to the lattice spacing. As an illustration we analyze fluorescence quenching and quantum efficiency data for x-metal-free phthalocyanine, assuming the extreme case of complete internal conversion and no thermalization length. We discuss the form of the slope-to-intercept ratio for small applied fields determined from the solution for the generalized escape probability.
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Cited by
Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.545 · Cited by 4,353
Photoconductivity in CdSe quantum dot solids
Leatherdale, C. A., Kagan, C. R., Morgan, N. Y., Empedocles, S. A., Kastner, M. A., & Bawendi, M. G. (2000) · Physical Review B · doi:10.1103/physrevb.62.2669 · Cited by 295
Metadata
- Authors
- Noolandi, J., & Hong, K. M.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 1979-04-01
- Volume
- 70
- Issue
- 7
- Pages
- 3230-3236
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W2013483543
- Cited by
- 201
- References
- 0
- FWCI
- 7.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Noolandi, J., & Hong, K. M. (1979). Theory of photogeneration and fluorescence quenching. The Journal of Chemical Physics. https://doi.org/10.1063/1.437912
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