Enhancement of up-conversion efficiency by combining rare earth-doped phosphors with PbS quantum dots

Pan, Aline Cristiane and Cañizo Nadal, Carlos del and Cánovas Díaz, Enrique and Santos, N. M. and Leitão, J.P. and Luque López, Antonio (2010). Enhancement of up-conversion efficiency by combining rare earth-doped phosphors with PbS quantum dots. "Solar Energy Materials and Solar Cells", v. 94 (n. 11); pp. 1923-1926. ISSN 0038-0938. https://doi.org/10.1016/j.solmat.2010.06.028.

Description

Title: Enhancement of up-conversion efficiency by combining rare earth-doped phosphors with PbS quantum dots
Author/s:
  • Pan, Aline Cristiane
  • Cañizo Nadal, Carlos del
  • Cánovas Díaz, Enrique
  • Santos, N. M.
  • Leitão, J.P.
  • Luque López, Antonio
Item Type: Article
Título de Revista/Publicación: Solar Energy Materials and Solar Cells
Date: January 2010
ISSN: 0038-0938
Volume: 94
Subjects:
Freetext Keywords: up-conversion; quantum dots; bifacial; silicon; solar cells;
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Electrónica Física
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper aims to enhance the up-conversion phenomena observed in silicon solar cells by combining a rare earth-doped phosphor with PbS quantum dots. Two different ways of adhering the up-converter and the fluorescent material to a bifacial solar cell are implemented: dissolving the powder in a spin-on oxide and by dissolving it in a silicone gel. Characterization is carried out through photocurrent and photoluminescence measurements. The improvement in photocurrent detected by the combination of the up-converter and the PbS quantum dots is 60% better than without them, demonstrating that the absorption and emission characteristics of the quantum dots embedded both in the oxide or the silicone can be tuned to the desired spectral region.

More information

Item ID: 8344
DC Identifier: http://oa.upm.es/8344/
OAI Identifier: oai:oa.upm.es:8344
DOI: 10.1016/j.solmat.2010.06.028
Official URL: http://www.sciencedirect.com/
Deposited by: Memoria Investigacion
Deposited on: 19 Jul 2011 15:23
Last Modified: 20 Apr 2016 17:10
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