Characterizing Recombination in CdTe-Based Solar Cells by the Temperature and Excitation Dependence of Open-Circuit Voltage and Photoluminescence

Lorelle Mansfield, Craig Swartz, Sanjoy Paul, Corey Grice, Yanfa Yan, Sachit Grover, Gang Xiong, Jian Li

Research output: Contribution to conferencePaper

Abstract

Further improvement of the open-circuit voltage (V oc ) of thin-film photovoltaic devices requires that the rate of non-radiative recombination be monitored and reduced. In this study, we investigate a method that attempts to account for the excitation and temperature dependence of V oc and photoluminescence (PL), to extract detailed information about the spatial distribution of recombination and the effects of back contact offset.
Original languageAmerican English
Pages2473-2477
Number of pages5
DOIs
StatePublished - 2018
Event2017 IEEE 44th Photovoltaic Specialist Conference (PVSC) - Washington, D.C.
Duration: 25 Jun 201730 Jun 2017

Conference

Conference2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)
CityWashington, D.C.
Period25/06/1730/06/17

NREL Publication Number

  • NREL/CP-5K00-73999

Keywords

  • down shifting
  • light scattering
  • solar cells
  • ZnO nanoislands

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