Preparation and characterization of CuIn1 - xGaxSe2 - ySy thin film solar cells by rapid thermal processing

Sachin S. Kulkarni, Galymzhan T. Koishiyev, Helio Moutinho, Neelkanth G. Dhere

Research output: Contribution to journalArticle

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Abstract

This paper describes the synthesis and characterization of CuIn1 - xGaxSe2 - ySy (CIGSeS) thin-film solar cells prepared by rapid thermal processing (RTP). An efficiency of 12.78% has been achieved on ~ 2 μm thick absorber. Materials characterization of these films was done by SEM, EDS, XRD, and AES. J-V curves were obtained at different temperatures. It was found that the open circuit voltage increases as temperature decreases while the short circuit current stays constant. Dependence of the open circuit voltage and fill factor on temperature has been estimated. Bandgap value calculated from the intercept of the linear extrapolation was 1.1-1.2 eV. Capacitance-voltage analysis gave a carrier density of 4.0 × 1015 cm- 3.

LanguageEnglish
Pages2121-2124
Number of pages4
JournalThin Solid Films
Volume517
Issue number7
DOIs
StatePublished - Feb 2 2009
Externally publishedYes

Fingerprint

Rapid thermal processing
solar cells
Open circuit voltage
open circuit voltage
preparation
thin films
short circuit currents
guy wires
Extrapolation
Short circuit currents
Temperature
Carrier concentration
temperature
extrapolation
Energy dispersive spectroscopy
absorbers
Energy gap
Capacitance
capacitance
Scanning electron microscopy

Keywords

  • CuInGaSeS
  • Materials and electrical characterization
  • RTP

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Preparation and characterization of CuIn1 - xGaxSe2 - ySy thin film solar cells by rapid thermal processing. / Kulkarni, Sachin S.; Koishiyev, Galymzhan T.; Moutinho, Helio; Dhere, Neelkanth G.

In: Thin Solid Films, Vol. 517, No. 7, 02.02.2009, p. 2121-2124.

Research output: Contribution to journalArticle

Kulkarni, SS, Koishiyev, GT, Moutinho, H & Dhere, NG 2009, 'Preparation and characterization of CuIn1 - xGaxSe2 - ySy thin film solar cells by rapid thermal processing' Thin Solid Films, vol. 517, no. 7, pp. 2121-2124. DOI: 10.1016/j.tsf.2008.10.128
Kulkarni SS, Koishiyev GT, Moutinho H, Dhere NG. Preparation and characterization of CuIn1 - xGaxSe2 - ySy thin film solar cells by rapid thermal processing. Thin Solid Films. 2009 Feb 2;517(7):2121-2124. Available from, DOI: 10.1016/j.tsf.2008.10.128
Kulkarni, Sachin S. ; Koishiyev, Galymzhan T. ; Moutinho, Helio ; Dhere, Neelkanth G./ Preparation and characterization of CuIn1 - xGaxSe2 - ySy thin film solar cells by rapid thermal processing. In: Thin Solid Films. 2009 ; Vol. 517, No. 7. pp. 2121-2124
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