Electrical properties of sprayed CuInS2 films for solar cells

Autor:	Arvo Mere, Malle Krunks, H. Rebane, O. Kijatkina, Jüri Krustok
Rok vydání:	2003
Předmět:	Chemistry Scanning electron microscope Analytical chemistry Mineralogy General Chemistry Condensed Matter Physics Microstructure Capacitance Cadmium sulfide law.invention chemistry.chemical_compound law Ternary compound Solar cell General Materials Science Crystallite Thin film
Zdroj:	Journal of Physics and Chemistry of Solids. 64:2025-2029
ISSN:	0022-3697
Popis:	CuInS2 films and superstrate configuration ZnO/CdS/CuInS2 solar cells were prepared by cost-effective spray pyrolysis technique using the Cu/In molar ratios of 0.9, 1.0 and 1.1 in spray solution. Appropriate metal chlorides and thiourea were used as starting chemicals to prepare the absorber layer. XRD, scanning electron microscopy, current ‐voltage, capacitance ‐ voltage and frequency-swept admittance spectroscopy methods have been used to characterize sprayed absorber and solar cell. It has been shown that the carrier concentrations in CuInS2 absorber layer is close to 10 17 cm 23 and VOC temperature dependent curve extrapolated to T ¼ 0 K gives VOCð0Þ of 1.06 V. The columnar microstructure and small size of crystallites in sprayed films supposed to be responsible for inferior output characteristics of sprayed solar cell as VOC ¼ 443 mV; jSC ¼ 5: 5m A cm 22
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::8842666634bf7369251b2aebf9b215c4 https://doi.org/10.1016/s0022-3697(03)00124-0 Zobrazit plný text záznamu Full Text from ScienceDirect