Research Update: Emerging Chalcostibite Absorbers for Thin-Film Solar Cells

Andriy Zakutayev, Francisco Willian De Souza Lucas

Research output: Contribution to journalArticlepeer-review

28 Scopus Citations


Copper antimony chalcogenides CuSbCh2 (Ch=S, Se) are an emerging family of absorbers studied for thin-film solar cells. These non-toxic and Earth-abundant materials show a layered low-dimensional chalcostibite crystal structure, leading to interesting optoelectronic properties for applications in photovoltaic (PV) devices. This research update describes the CuSbCh2 crystallographic structures, synthesis methods, competing phases, band structures, optoelectronic properties, point defects, carrier dynamics, and interface band offsets, based on experimental and theoretical data. Correlations between these absorber properties and PV device performance are discussed, and opportunities for further increase in the efficiency of the chalcostibite PV devices are highlighted.

Original languageAmerican English
Article number084501
Number of pages13
JournalAPL Materials
Issue number8
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 Author(s).

NREL Publication Number

  • NREL/JA-5K00-71225


  • band structure
  • charge transfer
  • crystal defects
  • interfaces
  • metalloids
  • solar cells
  • solar energy
  • thin films


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