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Cu(In1―xGax)Se2 (CIGS) thin films were deposited by a one-step radio frequency (RF) magnetron sputtering process using a quaternary CIGS target. The influence of substrate temperature on the composition, structure, and optical properties of the CIGS films was investigated. All the CIGS films exhibited the chalcopyrite structure with a preferential orientation along the (112) direction. The CIGS film deposited at 623 K showed significant improvement in film crystallinity and surface morphology compared to films deposited at 523 and 573 K. To simplify the manufacturing procedure of solar cells and avoid the use of the toxic element Cd, the properties of ZnS films prepared by RF sputtering were also investigated. The results revealed that the sputtered ZnS film exhibits good lattice matching with the sputtered CIGS film with significantly lower optical absorption loss. Finally, all-sputtered Cd-free CIGS-based heterojunction solar cells with the structure SLG/Mo/ CIGS/ZnS/AZO/Al grids were fabricated without post-selenization. Furthermore, the results demonstrated the feasibility of using a full sputtering process for the fabrication of Cd-free CIGS-based solar cell.

Titel:	CIGS Thin Films for Cd-Free Solar Cells by One-Step Sputtering Process
Autor/in / Beteiligte Person:	JUN, XIANG ; XING, HUANG ; GENGQI, LIN ; JIANG, TANG ; CHEN, JU ; XIANGSHUI, MIAO
Link:	Volltext (PDF) View record from PASCAL Archive
Zeitschrift:	Journal of electronic materials, Jg. 43 (2014), Heft 7, S. 2658-2666
Veröffentlichung:	Heidelberg: Springer, 2014
Medientyp:	academicJournal
Umfang:	print, 25 ref
ISSN:	0361-5235 (print)
Schlagwort:	Crystallography Cristallographie cristallogenèse Electronics Electronique Metallurgy, welding Métallurgie, soudage Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure electronique, proprietes electriques, magnetiques et optiques Condensed matter: electronic structure, electrical, magnetic, and optical properties Propriétés optiques, spectroscopie et autres interactions de la matière condensée avec les particules et le rayonnement Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Propriétés optiques des matériaux massifs et des couches minces Optical properties of bulk materials and thin films Domaines interdisciplinaires: science des materiaux; rheologie Cross-disciplinary physics: materials science; rheology Science des matériaux Materials science Méthodes de dépôt de films et de revêtements; croissance de films et épitaxie Methods of deposition of films and coatings; film growth and epitaxy Depôt par pulvérisation cathodique Deposition by sputtering Sciences appliquees Applied sciences Energie Energy Energie naturelle Natural energy Energie solaire Solar energy Conversion photovoltaïque Photovoltaic conversion Cellules solaires. Cellules photoélectrochimiques Solar cells. Photoelectrochemical cells Absorption optique Optical absorption Absorción óptica Cellule solaire Solar cell Célula solar Constante diélectrique Permittivity Constante dieléctrica Couche mince Thin film Capa fina Couche tampon Buffer layer Capa tampón Cristallinité Crystallinity Cristalinidad Dépôt physique phase vapeur Physical vapor deposition Deposición física fase vapor Dépôt pulvérisation Sputter deposition Effet température Temperature effect Efecto temperatura Hétérojonction Heterojunction Heterounión Hétérostructure Heterostructures Matériau cellulaire Cellular material Material celular Morphologie surface Surface morphology Orientation préférentielle Preferred orientation Orientación preferencial Perte optique Optical losses Propriété optique Optical properties Propiedad óptica Pulvérisation cathodique Cathodic sputtering Pulverización catódica Pulvérisation haute fréquence Radiofrequency sputtering Pulverización alta frecuencia Pulvérisation irradiation Sputtering Pulverización irradiación Radiofréquence Radiofrequency Radiofrecuencia Semiconducteur II-VI II-VI semiconductors Spectre absorption Absorption spectrum Espectro de absorción Structure cellulaire Cell structure Estructura celular Structure chalcopyrite Chalcopyrite structure Estructura calcopirita Température substrat Substrat temperature Temperatura substrato 8115C 8460J CIGS RF sputtering ZnS buffer layer solar cells substrate temperatures Time: 7820
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China ; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Energy ; Physics and materials science ; Physics of condensed state: electronic structure, electrical, magnetic and optical properties

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CIGS Thin Films for Cd-Free Solar Cells by One-Step Sputtering Process