A 3.2% efficient Kesterite device from electrodeposited stacked elemental layers

Jonathan J Scragg, D M Berg, P J Dale

Research output: Contribution to journalArticle

204 Citations (Scopus)

Abstract

An improved electrodeposition-annealing route for preparing films of the Kesterite Cu2ZnSnS4(CZTS) for thin film solar cell absorber layers is demonstrated. The material is prepared by sequential electrodeposition of a metallic precursor stack in the order Cu/Sn/Cu/Zn and subsequent annealing of the stack in an atmosphere containing sulfur. The new precursor is demonstrably more uniform on both macro-and microscopic scales, and this translates to enhanced lateral uniformity of the photoresponse of the CZTS film. Photovoltaic devices were prepared from the films, with the best cell having an efficiency of 3.2%.
Original languageEnglish
Pages (from-to)52-59
Number of pages8
JournalJournal of Electroanalytical Chemistry
Volume646
Issue number1-2
DOIs
Publication statusPublished - 15 Jul 2010

Keywords

  • electrodeposition
  • Cu2ZnSnS4
  • solar cells
  • photovoltaics
  • Kesterite
  • stacked elemental layer

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