Facile synthesis of ultrafine Cu2ZnSnS4nanocrystals by hydrothermal method for use in solar cells

Wenchao Liu, Binglei Guo, Chee Leung Mak, Aidong Li, Xiaoshan Wu, Fengming Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

42 Citations (Scopus)

Abstract

We introduce a hydrothermal method for synthesizing ultrafine earth abundant Cu2ZnSnS4(CZTS) nanocrystals with an average size of 5-6 nm using simple Cu(II), Zn(II), Sn(II) inorganic salt and thiourea as precursor. X-ray diffraction, Raman spectrum and transmission electron microscopy studies indicate that CZTS nanocrystals with pure kesterite structure have been synthesized at temperature as low as 180 C. The band-gap energy determined from the absorbance spectrum is 1.47 eV, suggesting that as-synthesized CZTS nanocrystals are very suitable for photovoltaic applications.
Original languageEnglish
Pages (from-to)39-43
Number of pages5
JournalThin Solid Films
Volume535
Issue number1
DOIs
Publication statusPublished - 15 May 2013

Keywords

  • Cu ZnSnS nanocrystals 2 4
  • Hydrothermal method
  • Solar cell

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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