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Proceedings Paper

Up-conversion equivalent circuit to boost current in Si cells
Author(s): Gavin Conibeer; Santosh Shrestha; Kai Yuen Chan; Shujuan Huang; Binesh Puthen-Veettil
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Paper Abstract

Up-conversion for Si solar cells using Er phosphors has the twin problems of a very high concentration requirement and the very narrow bandwidth for absorption. An alternative is to use the equivalent circuit of an up-converter, two below bnadgap solar cells connected in series to pump an above band gap LED, as suggested by Trupke SOLMAT 2005, but not yet attempted experimentally. Results on the current enhancement in such devices are shown for absorption of below Si band gap light in long wavelength cells to pump a InGaAs LED so as to sensitise a Si solar cell.

Paper Details

Date Published: 26 September 2016
PDF: 6 pages
Proc. SPIE 9937, Next Generation Technologies for Solar Energy Conversion VII, 99370F (26 September 2016); doi: 10.1117/12.2242401
Show Author Affiliations
Gavin Conibeer, The Univ. of New South Wales (Australia)
Santosh Shrestha, The Univ. of New South Wales (Australia)
Kai Yuen Chan, The Univ. of New South Wales (Australia)
Shujuan Huang, The Univ. of New South Wales (Australia)
Binesh Puthen-Veettil, The Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 9937:
Next Generation Technologies for Solar Energy Conversion VII
Oleg V. Sulima; Gavin Conibeer, Editor(s)

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