Photoluminescence‐Based Characterization of Halide Perovskites for Photovoltaics
By T. Kirchartz, J. Márquez, M. Stolterfoht, T. Unold. Advanced Energy Materials, 2020
460 citations recorded by the source corpus.
Photoluminescence spectroscopy is a widely applied characterization technique for semiconductor materials in general and halide perovskite solar cell materials in particular. It can give direct information on the recombination kinetics and processes as well as the internal electrochemical potential of free charge carriers in single semiconductor layers, layer stacks with transport layers, and complete solar cells. The correct evaluation and interpretation of photoluminescence requires the consideration of proper excitation conditions, calibration and application of the appropriate approximations to the rather complex theory, which includes radiative recombination, non‐radiative recombination, interface recombination, charge transfer, and photon recycling. In this article, an overview is given of the theory and application to specific halide perovskite compositions, illustrating the variables that should be considered when applying photoluminescence analysis in these materials.
Subfields: Electrical and Electronic Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/2f6b2f9d5316f27f494c70730ae1c5d02ea549ee
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Citations in the corpus
- Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction (2020, background): “The full decay is governed by non-radiative, trap-assisted surface/bulk recombination (mostly mono-exponential decay), radiative recombination (“bimolecular”, second-order differential equation) and charge transfer effects, which can be disentangled if these time constants differ sufficiently from e”