Title: Understanding the up-conversion dynamics in high efficiency Yb3+-Tm3+ systems for solar cells
Authors: Rodriguez, V. D ×
Mendez-Ramos, J
Tikhomirov, Victor
del-Castillo, J
Yanes, A. C
Moshchalkov, Victor #
Issue Date: Nov-2011
Publisher: Elsevier BV
Series Title: Optical Materials vol:34 issue:1 pages:179-182
Abstract: Up-conversion emission processes have been studied in a transparent oxylluoride nano-structured glass-ceramic co-doped with Yb3+ and Tm3+ ions. The decay and rise times, and pump power dependence of the different emission peaks have been analysed. The aim was to achieve a complete picture of the dynamics in this multiphoton excitation system. A method based on balance equations for the involved energy levels has been proposed in order to evaluate the up-conversion and decay rates from these levels. The results are analysed from the point of view of potential application to photovoltaic cells. (C) 2011 Elsevier B.V. All rights reserved.
ISSN: 0925-3467
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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