BALAJI, Sathravada, GHOSH, Debarati, BISWAS, Kaushik, GUPTA, Gaurav and ANNAPURNA, Kalyandurg (2016). Experimental evidence for quantum cutting co-operative energy transfer process in Pr3+/Yb3+ ions co-doped fluorotellurite glass: dispute over energy transfer mechanism. Physical Chemistry Chemical Physics, 18 (48), 33115-33125.
Full text not available from this repository.Abstract
Pr3+/Yb3+ doped materials have been widely reported as quantum-cutting materials in recent times. However, the question of the energy transfer mechanism in the Pr3+/Yb3+ pair in light of the quantum-cutting phenomenon still remains unanswered. In view of that, we explored a series of Pr3+/Yb3+ co-doped low phonon fluorotellurite glass systems to estimate the probability of different energy transfer mechanisms. Indeed, a novel and simple way to predict the probability of the proper energy transfer mechanism in the Pr3+/Yb3+ pair is possible by considering the donor Pr3+ ion emission intensities and the relative ratio dependence in the presence of acceptor Yb3+ ions. Moreover, the observed results are very much in accordance with other estimated results that support the quantum-cutting phenomena in Pr3+/Yb3+ pairs, such as sub-linear power dependence of Yb3+ NIR emission upon visible ∼450 nm laser excitation, integrated area of the donor Pr3+ ion's visible excitation spectrum recorded by monitoring the acceptor Yb3+ ion's NIR emission, and the experimentally obtained absolute quantum yield values using an integrating sphere setup. Our results give a simple way of estimating the probability of an energy transfer mechanism and the factors to be considered, particularly for the Pr3+/Yb3+ pair.
Item Type: | Article |
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Uncontrolled Keywords: | 02 Physical Sciences; 03 Chemical Sciences; 09 Engineering; Chemical Physics |
Identification Number: | https://doi.org/10.1039/c6cp06412d |
Page Range: | 33115-33125 |
SWORD Depositor: | Symplectic Elements |
Depositing User: | Symplectic Elements |
Date Deposited: | 21 Apr 2021 15:54 |
Last Modified: | 21 Apr 2021 15:54 |
URI: | https://shura.shu.ac.uk/id/eprint/27133 |
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