Abstract
The similarity of photoluminescence decay kinetic curves at the inversion of the wavelengths of excitation and detection of photoluminescence has been experimentally demonstrated. In this case, if the direct process is Stokes photoluminescence, the reverse process inevitably falls in the anti-Stokes region of the spectrum. The experiments have been performed with colloidal solutions of InP/ZnS quantum dot nanoclusters that do not satisfy the Vavilov law of the independence of luminescent characteristics of a luminophore of the pump light wavelength.
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Acknowledgments
Precision measurements of kinetic curves of luminescence decay at the inversion of excitation and detection wavelengths were performed on the equipment of the Shared Usage Center New Materials and Technologies, Emanuel Institute of Biochemical Physics, Russian Academy of Sciences.
Funding
This work was supported by the Ministry of Education and Science of the Russian Federation (project no. 0089-2019-0003, state record no. AAAA-A19-119070790003-7 and project no. 074-02-2018-286).
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Russian Text © The Author(s), 2019, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2019, Vol. 110, No. 5, pp. 307–313.
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Razumov, V.F., Tovstun, S.A. & Kuz’min, V.A. Experimental Test of the Principle of Microscopic Reversibility in Photoluminescence Decay Kinetics. Jetp Lett. 110, 323–328 (2019). https://doi.org/10.1134/S0021364019170107
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DOI: https://doi.org/10.1134/S0021364019170107