A new method for the evaluation of solar cell parameters

A. Polman, W. G. J. H. M. van Sark, W. Sinke, F. W. Saris

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A new method is presented that is capable of resolving the parameters in a double-exponential model with which the electrical characteristics of a crystalline-silicon solar cell are analyzed. This method gives not only open-circuit voltage, short-circuit current, fill factor and efficiency, but also diode saturations, light-generated current, series resistance and shunt resistance, all from one measurement under AM1 illumination. The experimental set-up used for I-V measurement and automated data handling is described. A fast computer fit procedure is introduced which resolves all parameters from one measurement. The errors in the parameter values obtained are studied. A comparison of these values for a number of I-V measurements of solar cells with different internal physical properties is given, in order to illustrate the utility of the method for unravelling various electrical processes in a solar cell.
Original languageEnglish
Pages (from-to)241-251
JournalSolar Cells
Volume17
Issue number2-3
DOIs
Publication statusPublished - Apr 1986

Keywords

  • Energy Conversion Efficiency
  • Open Circuit Voltage
  • Short Circuit Currents
  • Solar Cells
  • Volt-Ampere Characteristics
  • Analog To Digital Converters
  • Annealing
  • Ion Implantation
  • Laser Applications
  • Solar Simulation

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