Journal of Nanomaterials & Molecular Nanotechnology.ISSN: 2324-8777

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Research Article, J Nanomater Mol Nanotechnol Vol: 9 Issue: 4

Photovoltaic Properties and Surface Analysis of Mixed (SnS2)x (CdS)1-x Thin Films by X-ray Photoelectron Spectroscopy (XPS)

Amroun MN1*, Kacha AH2, Salim K1 and Khadraoui M1

1Materials Development and Characterization Laboratory, Department of Electronics, Djillali Liabes University, BP89, Sidi Bel Abbés 22000, Algeria

2Applied Microelectronics Laboratory, Djillali Liabès University of Sidi Bel Abbès, 22000 Sidi Bel Abbès, Algeria

*Corresponding Author :Amroun MN
Materials Development and Characterization Laboratory, Department of Electronics, Djillali Liabes University, BP89, Sidi Bel Abbés 22000, Algeria
E-mail: [email protected]

Received: September 03, 2020 Accepted: September 15, 2020 Published: September 25, 2020

Citation: Amroun MN, Kacha AH, Salim K, Khadraoui M (2020) Photovoltaic Properties and Surface Analysis of Mixed (SnS2)x (CdS)1-x Thin Films by X-ray Photoelectron Spectroscopy (XPS). J Nanomater Mol Nanotechnol 9:4.

Abstract

Mixed thin films (SnS2)x(CdS)1-x with various x compositions (x=1, 0.8, 0.2, 0) have been synthesized by spray pyrolysis technique at a substrate temperature of 350°C. Cadmium chloride (CdCl2), Tin chloride (SnCl2), and thiourea (SC(NH2)2) were used as starting chemicals at different compositions. The chemical binding state of the deposited thin films was studied by X-ray photoelectron spectroscopy (XPS). XPS studies indicate the formation of the single phase of CdS and SnS2 thin films and mixed-phase (SnS2)x (CdS)1-x for x=0.8 and x=0.2. Four components of oxygen change in chemical states which are different in BE have been distinguished and studied in the O 1s spectrum. The optical expected absorption capacity and photocurrent (jph) depend on x concentration.

Keywords: CdS; SnS2; Composite materials; XPS study; Photovoltaic properties

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