Prospects of novel front and back contacts for high efficiency cadmium telluride thin film solar cells from numerical analysis

M. A. Matin, M. Mannir Aliyu, Abrar H. Quadery, Nowshad Amin

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Cadmium telluride (CdTe) thin film solar cell has long been recognized as a leading photovoltaic candidate for its high efficiency and low cost. A numerical simulation has been performed using AMPS-1D simulator to explore the possibility of higher efficiency and stable CdS/CdTe cell among several cell structures with indium tin oxide (ITO) and cadmium stannate (Cd 2SnO4) as front contact material, tin oxide (SnO 2), zinc oxide (ZnO) and zinc stannate (Zn2SnO 4) as buffer layer, and silver (Ag) or antimony telluride (Sb 2Te3) with molybdenum (Mo) or zinc telluride (ZnTe) with aluminium (Al) as back contact material. The cell structure ITO/i-ZnO/CdS/ CdSxTe1-x/CdTe/Ag has shown the best conversion efficiency of 16.9% (Voc=0.9 V, Jsc=26.35 mA/cm2, FF=0.783). This analysis has shown that ITO as front contact material, ZnO as buffer layer and ZnTe or Sb2Te3 back surface reflector (BSR) are suitable material system for high efficiency (>15%) and stable CdS/CdTe cells. The cell normalized efficiency linearly decreased at a temperature gradient of -0.25%/°C for ZnTe based cells, and at -0.40%/°C for other cells.

Original languageEnglish
Pages (from-to)1496-1500
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume94
Issue number9
DOIs
Publication statusPublished - Sep 2010

Fingerprint

Cadmium telluride
Zinc Oxide
Tin oxides
Zinc
Numerical analysis
Zinc oxide
Indium
Buffer layers
Antimony
Molybdenum
Aluminum
Cadmium
Silver
Thermal gradients
Conversion efficiency
Simulators
Thin film solar cells
cadmium telluride
Computer simulation
indium tin oxide

Keywords

  • Back contact layers
  • Buffer layers
  • CdTe
  • Numerical Analysis
  • Thin film solar cells

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films

Cite this

Prospects of novel front and back contacts for high efficiency cadmium telluride thin film solar cells from numerical analysis. / Matin, M. A.; Mannir Aliyu, M.; Quadery, Abrar H.; Amin, Nowshad.

In: Solar Energy Materials and Solar Cells, Vol. 94, No. 9, 09.2010, p. 1496-1500.

Research output: Contribution to journalArticle

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