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Proceedings Paper

Fluorescent borate glass superstrates for high efficiency CdTe solar cells
Author(s): Franziska Steudel; Marcel Dyrba; Stefan Schweizer
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Paper Abstract

Sm3+-doped barium borate glasses are investigated for their potential as a superstrate for CdTe solar cells. The influence of the Sm3+ conversion efficiency and the Sm2O3 doping level on the short circuit current density of a CdTe solar cell is analyzed. CdTe solar cells with CdS layer thicknesses of 45 and 300 nm are evaluated. A 3.2 mm thick, 2 mol% Sm2O3- doped glass superstrate enables a relative increase in the short circuit current density of approximately 1.4% and 2.9% for a 45 and 300 nm CdS buffer layer, respectively, assuming 100% Sm3+ conversion efficiency.

Paper Details

Date Published: 2 May 2012
PDF: 7 pages
Proc. SPIE 8438, Photonics for Solar Energy Systems IV, 843803 (2 May 2012); doi: 10.1117/12.921590
Show Author Affiliations
Franziska Steudel, Fraunhofer Ctr. for Silicon Photovoltaics CSP (Germany)
Marcel Dyrba, Fraunhofer Ctr. for Silicon Photovoltaics CSP (Germany)
Martin-Luther-Univ. Halle-Wittenberg (Germany)
Stefan Schweizer, South Westphalia Univ. of Applied Sciences (Germany)
Fraunhofer Ctr. for Silicon Photovoltaics CSP (Germany)


Published in SPIE Proceedings Vol. 8438:
Photonics for Solar Energy Systems IV
Ralf Wehrspohn; Andreas Gombert, Editor(s)

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