Numerical Simulation of High-Efficiency, Scalable, All-Back-Contact Cd(Se,Te) Solar Cells: Article No. 223104

Marco Nardone, M. Spehar, Darius Kuciauskas, David Albin

Research output: Contribution to journalArticlepeer-review

8 Scopus Citations

Abstract

All-back-contact thin film photovoltaic devices in lattice back contact (LBC) configuration are studied by device simulation to set the requirements for achieving efficiency > 20% with lateral contact spacing > 50 µm. The numerical device model is first validated against published data for an LBC perovskite device and extended to predict the performance of Cd(Se,Te)-based polycrystalline devices. Recent advances in the electronic properties of Cd(Se,Te) films have made high efficiency LBC devices feasible with industrially-scalable contact dimensions. Constraints on bulk, interface, and contact properties are quantified and discussed
Original languageAmerican English
Number of pages8
JournalJournal of Applied Physics
Volume127
Issue number22
DOIs
StatePublished - 2020

NREL Publication Number

  • NREL/JA-5F00-76913

Keywords

  • CdTe
  • crystallographic defects
  • interface defects
  • passivation
  • perovskites
  • photovoltaics
  • polycrystalline material
  • semiconductor device modeling
  • semiconductors
  • solar cells
  • thin films

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