Photovoltaic application of O-doped Wittichenite-Cu3BiS3: from microscopic properties to maximum efficiencies

The electronic properties and the low environmental impact of Cu3BiS3 make this compound a promising material for low-cost thin film solar cell technology. From the first principles, the electronic properties of the isoelectronic substitution of S by O in Cu3BiS3 have been obtained using two differe...

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Veröffentlicht in:	Progress in photovoltaics 2013-08, Vol.21 (5), p.894-899
1. Verfasser:	TABLERO, C
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Equipments, installations and applications Exact sciences and technology Natural energy Photovoltaic conversion Solar cells. Photoelectrochemical cells Solar energy
Online-Zugang:	Volltext
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Zusammenfassung:	The electronic properties and the low environmental impact of Cu3BiS3 make this compound a promising material for low-cost thin film solar cell technology. From the first principles, the electronic properties of the isoelectronic substitution of S by O in Cu3BiS3 have been obtained using two different exchange-correlation potentials. This compound has an acceptor level below the conduction band, which modifies the opto-electronic properties with respect to the host semiconductor. In order to analyze a possible efficiency increment with respect to the host semiconductor, we have calculated the maximum efficiency of this photovoltaic absorber material. Copyright © 2012 John Wiley & Sons, Ltd [PUBLICATION ABSTRACT].
ISSN:	1062-7995 1099-159X
DOI:	10.1002/pip.2173