CuInS2 thin films obtained through the annealing of chemically deposited In2S3-CuS thin films |
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| Authors: | Y. Peñ a,S. LugoM. Calixto-Rodriguez,A. Vá zquezI. Gó mez,P. Elizondo |
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| Affiliation: | a Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Pedro de Alba S/N, Ciudad Universitaria, 66451, San Nicolás de los Garza, Nuevo León, México
b Centro de Investigación en Energía, Universidad Nacional Autónoma de México, Privada Xochicalco S/N, Col Centro, 62580, Temixco, Morelos, México |
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| Abstract: | In this work, we report the formation of CuInS2 thin films on glass substrates by heating chemically deposited multilayers of copper sulfide (CuS) and indium sulfide (In2S3) at 300 and 350 °C in nitrogen atmosphere at 10 Torr. CIS thin films were prepared by varying the CuS layer thickness in the multilayers with indium sulfide. The XRD analysis showed that the crystallographic structure of the CuInS2 (JCPDS 27-0159) is present on the deposited films. From the optical analysis it was estimated the band gap value for the CIS film (1.49 eV). The electrical conductivity varies from 3 × 10−8 to 3 Ω−1 cm−1 depending on the thickness of the CuS film. CIS films showed p-type conductivity. |
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| Keywords: | CuInS2 Thin Films Chemical bath deposition |
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