Effect of alkali doping on CIGS photovoltaic ceramic tiles
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Otros documentos de la autoría: Fraga Chiva, Diego; Lyubenova, Teodora; Martí, R.; Calvet Roures, Iván; BARRACHINA ALBERT, ESTER; Carda Castelló, Juan Bautista
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INVESTIGACIONMetadatos
Título
Effect of alkali doping on CIGS photovoltaic ceramic tilesAutoría
Fecha de publicación
2017Editor
ElsevierISSN
0038-092X; 1471-1257Cita bibliográfica
Fraga, D., Stoyanova Lyubenova, T., Martí, R., Calvet, I., Barrachina, E., & Carda, J. B. (2017). Effect of alkali doping on CIGS photovoltaic ceramic tiles. Solar Energy, 147, 1-7.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0038092X17301937Versión
info:eu-repo/semantics/submittedVersionPalabras clave / Materias
Resumen
This report studies the influence of alkali elements (Na, K) to morphological, structural
and optoelectronic properties of CIGS ceramic tile solar cell. Several ceramic enamels
with altered chemical composition in ... [+]
This report studies the influence of alkali elements (Na, K) to morphological, structural
and optoelectronic properties of CIGS ceramic tile solar cell. Several ceramic enamels
with altered chemical composition in terms of amount of alkali elements have been
tested and compared. The influences of alkali type, its quantity and transfer mechanism
have been investigated. The solar cell device has been assembled and characterized.
The achieved results indicate that alkali elements (Na and K combination) modified the
surface roughness and its diffusion from the enamel toward the absorber affect to the
structural and final optoelectronic properties of the device. The alkali doping improve
the Ga incorporation in the crystal lattice and an increasing in open circuit voltage (Voc)
values, fill factor (FF) and the device efficiency. Optimal alkali quantities have been
also determined. The best conversion efficiency is achieved for the cell with 4% wt
Na2O and 3.2 % wt K2O (Eff. = 3,5 %), which presents an improvement of 30 % in efficiency relative to the standard (STD) solar cell sample chosen for comparative
purposes. [-]
Publicado en
Solar Energy, 2017, vol. 147, p. 1-7.Proyecto de investigación
The authors would like to acknowledge the financial support of the Spanish Ministry of Economy and Competitiveness under the program RETOS-COLABORACION (RTC- 2014-2294-3). We also appreciate the characterization assistance of Central Service of Scientific Instrumentation (SCIC) at the University Jaume I. We appreciate the Torrecid Group S.A. for the ceramic tiles supplying. The authors thank the group of A. Perez (Catalonia Institute for Energy Research-IREC) for the help in the solar cell assemble.Derechos de acceso
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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