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Enhanced light trapping in carrier selective solar cells using photonic nanostructures
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Paper Abstract

Passivated, carrier-selective contacts have enabled a recent surge in the efficiency of crystalline silicon solar cells by reducing the Shockley-Read-Hall recombination at the electrical contacts for the cell. They operate by allowing the extraction of only the majority carriers from the absorber, i.e., the c-Si wafer. The molybdenum oxide and nickel stack is known to form an effective hole-selective contact. However, the parasitic optical losses they introduced limit the quantum efficiency and therefore efficiency of solar cells featuring these materials. In this work, we introduce photonic nanostructures with reduced parasitic losses in the contacts and enhancement of light trapping in the active area of the cell. The optimized structure shows its potential for increasing photogenerated current density and efficiency as a result.

Paper Details

Date Published: 3 September 2019
PDF: 5 pages
Proc. SPIE 11089, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI, 110890P (3 September 2019); doi: 10.1117/12.2528984
Show Author Affiliations
Mohammad Jobayer Hossain, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Nafis Iqbal, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Gregory Doerk, Brookhaven National Lab. (United States)
Kristopher O. Davis, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 11089:
Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI
Balaji Panchapakesan; André-Jean Attias, Editor(s)

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