Abstract
The influence of temperature on the yield of multibubble sonoluminescence of Tb3+ ions in an aqueous solution of TbCl3 was studied over the temperature range 5–55°C. The yield monotonically decreased as the temperature increased. The effective activation energy of this temperature quenching was larger than that of photoluminescence of terbium but smaller than for solvent sonoluminescence quenching. The result obtained was explained using the earlier suggested hypothesis of intrabubble f-f excitation of lanthanide ions in the sonolysis of aqueous solutions and two-stage (in the gas and liquid phases) deactivation of their long-lived (longer than 10−4 s) excited states in a bubble medium.
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Original Russian Text © G.L. Sharipov, L.R. Yakshembetova, A.M. Abdrakhmanov, 2012, published in Zhurnal Fizicheskoi Khimii, 2012, Vol. 86, No. 7, pp. 1294–1296.
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Sharipov, G.L., Yakshembetova, L.R. & Abdrakhmanov, A.M. The influence of the temperature of a liquid on multibubble sonoluminescence of Tb3+ ions in an aqueous solution. Russ. J. Phys. Chem. 86, 1174–1176 (2012). https://doi.org/10.1134/S0036024412070254
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DOI: https://doi.org/10.1134/S0036024412070254