Determining the Voltage Dependence of the Light Generated Current in CuInSe2-Based Solar Cells Using I-V Measurements Made at Different Light Intensities

Research output: Contribution to conferencePaper

Abstract

As the bandgap of CuInSe2 is increased by alloying with Ga or S, the loss in efficiency due to the decrease of light generated current with increasing voltage becomes important. The standard technique of quantifying this loss is to analyze spectral response measurements made as a function of applied voltage. Instead, it is shown how to determine the voltage dependence of the light generatedcurrent by an analysis of the current-voltage (I-V) measurements made at two different light intensities. By adding an I-V measurement at a third light intensity one can also determine if the analysis technique is valid.
Original languageAmerican English
Pages463-466
Number of pages4
DOIs
StatePublished - 1997
EventTwenty Sixth IEEE Photovoltaic Specialists Conference - Anaheim, California
Duration: 29 Sep 19973 Oct 1997

Conference

ConferenceTwenty Sixth IEEE Photovoltaic Specialists Conference
CityAnaheim, California
Period29/09/973/10/97

Bibliographical note

Work performed by University of Delaware, Newark, Deleware

NREL Publication Number

  • NREL/CP-520-24970

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