Thin-film ZnO/CdS/CuIn1-xGaxSe2 Solar Cells: Anomalous Physical Properties of the CuIn1-xGaxSe2 Absorber

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1. Verfasser: Clas Persson
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Veröffentlicht: Sociedade Brasileira de Física 2006
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author Clas Persson
author_facet Clas Persson
contents Thin-film ZnO/CdS/CuIn1-xGaxSe2 Solar Cells: Anomalous Physical Properties of the CuIn1-xGaxSe2 Absorber Clas Persson Física, Astronomía y Matemáticas CuInSe2 Surface Defects Absorbers Interface Thin-film ZnO/CdS/CuIn1¡xGaxSe2 solar cells are manufactured with »20% solar-cell conversion efficiency.The CuIn1¡xGaxSe2 (CIGS) absorber exhibits rather different physical properties compared with conventionalsemiconductors (e.g. Si, GaAs and ZnSe). For instance, (i) the valence-band maximum in CIGS consists ofcation-d–anion-p hybridized states. (ii) Cation vacancies have low formation energies and high mobility atroom temperature. (iii) The most stable surface of CuIn1¡xGaxSe2 is the reconstructed, and otherwise polar,(112) surface. (iv) Solar cells with absorbers containing grain-boundaries outperform cells with crystallineabsorbers. In this work, the fundamental physical properties of CIGS, like the electronic structure, the defectformation energies, as well as surface properties are discussed from a theoretical perspective. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436540 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36
format Artículo científico
id redalyc_46436540
institution Redalyc
language en
publishDate 2006
publisher Sociedade Brasileira de Física
spellingShingle Thin-film ZnO/CdS/CuIn1-xGaxSe2 Solar Cells: Anomalous Physical Properties of the CuIn1-xGaxSe2 Absorber
Clas Persson
Física, Astronomía y Matemáticas
CuInSe2
Surface
Defects
Absorbers
Interface
Thin-film ZnO/CdS/CuIn1-xGaxSe2 Solar Cells: Anomalous Physical Properties of the CuIn1-xGaxSe2 Absorber Clas Persson Física, Astronomía y Matemáticas CuInSe2 Surface Defects Absorbers Interface Thin-film ZnO/CdS/CuIn1¡xGaxSe2 solar cells are manufactured with »20% solar-cell conversion efficiency.The CuIn1¡xGaxSe2 (CIGS) absorber exhibits rather different physical properties compared with conventionalsemiconductors (e.g. Si, GaAs and ZnSe). For instance, (i) the valence-band maximum in CIGS consists ofcation-d–anion-p hybridized states. (ii) Cation vacancies have low formation energies and high mobility atroom temperature. (iii) The most stable surface of CuIn1¡xGaxSe2 is the reconstructed, and otherwise polar,(112) surface. (iv) Solar cells with absorbers containing grain-boundaries outperform cells with crystallineabsorbers. In this work, the fundamental physical properties of CIGS, like the electronic structure, the defectformation energies, as well as surface properties are discussed from a theoretical perspective. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436540 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36
title Thin-film ZnO/CdS/CuIn1-xGaxSe2 Solar Cells: Anomalous Physical Properties of the CuIn1-xGaxSe2 Absorber
topic Física, Astronomía y Matemáticas
CuInSe2
Surface
Defects
Absorbers
Interface
url https://www.redalyc.org/articulo.oa?id=46436540