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Structural, optical and electrical properties of CuInSe2 solar cell films on Al, Cu, Poly Si, S FO and Steel su b- strates

XIN JI1,* , ZHI YAN2, YIMING MI1, CHAO MIN ZHANG1

Affiliation

  1. College of Fundamental Studies, Shanghai University of Engineering Science, Shanghai 201620, China
  2. College of Material Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

Abstract

Solar cell absorption layer based on CuInSe2 films were successfully deposited on Al, Cu, Poly-Si (111), SFO and Steel substrates by magnetron RF-sputtering. The effect of the substrate materials on the film structures, morphologies, and properties was investigated in detail. The results indicated that substrate material was the key deposition parameter influencing the CIS film phase composition, which directly affected its photoelectric activity. The structure shapes and grain sizes were slightly different in the films on different substrates. Moreover, the CIS film on Cu substrate shows better electrical behavior than other films. Finally, the optical measurements suggest that the optical properties were affected by lattice defects and secondary phases on the various substrates..

Keywords

Thin film, CuInSe2, Substrate materials, Vapor deposition, Optical properties.

Citation

XIN JI, ZHI YAN, YIMING MI, CHAO MIN ZHANG, Structural, optical and electrical properties of CuInSe2 solar cell films on Al, Cu, Poly Si, S FO and Steel su b- strates, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.300-303 (2012).

Submitted at: Sept. 28, 2011

Accepted at: Feb. 20, 2012