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The chemical potential of radiation
Open accessAbstract
In a thermodynamic treatment electromagnetic radiation of any kind is described. The difference between thermal and non-thermal radiation is accounted for by introducing the chemical potential of photons. Instead of an effective temperature all kinds of radiation have the real temperature of the emitting material. As a result Planck's law for thermal radiation is extended to radiation of any kind. The concept of the chemical potential of radiation is discussed in detail in conjunction with light-emitting diodes, two-level systems, and lasers. It allows the calculation of absorption coefficients, of emission spectra of luminescent materials, and of radiative recombination lifetimes of electrons and holes in semiconductors. Theoretical emission spectra are compared with experimental data on GaAs light-emitting diodes and excellent agreement is obtained.
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Cited by
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Regulating surface potential maximizes voltage in all-perovskite tandems
Chen, H., Maxwell, A., Li, C., Teale, S., Chen, B., Zhu, T., Ugur, E., Harrison, G., Grater, L., Wang, J., et al. (2023) · Nature · doi:10.1038/s41586-022-05541-z · Cited by 623
Tress, W. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201602358 · Cited by 601
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Green, M. A., Zhao, J., Wang, A., Reece, P. J., & Gal, M. (2001) · Nature · doi:10.1038/35090539 · Cited by 548
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Metadata
- Authors
- Wurfel, P.
- Venue
- Journal of Physics C: Solid State Physics
- Publisher
- IOP Publishing
- Published
- 1982-06-30
- Volume
- 15
- Issue
- 18
- Pages
- 3967-3985
- ISSN
- 0022-3719 (ISSN-L)
- OpenAlex
- W1981328983
- Cited by
- 995
- References
- 0
- FWCI
- 1.94
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wurfel, P. (1982). The chemical potential of radiation. Journal of Physics C: Solid State Physics. https://doi.org/10.1088/0022-3719/15/18/012
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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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