Optical and structural study of In 2 S 3 thin films growth by co-evaporation and chemical bath deposition (CBD) on Cu 3 BiS 3

F. Mesa, W. Chamorro, M. Hurtado

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12 Scopus citations

Abstract

We present the growth of In 2 S 3 onto Cu 3 BiS 3 layers and soda-lime glass (SLG) substrates by using chemical bath deposition (CBD) and physical co-evaporation. The results reveal that the microstructure and the optical properties of the In 2 S 3 films are highly dependent on the growth method. X-ray diffractrograms show that In 2 S 3 films have a higher crystallinity when growing by co-evaporation than by CBD. In 2 S 3 thin films grown by CBD with a thickness below 170 nm have an amorphous structure however when increasing the thickness the films exhibit two diffraction peaks associated to the (1 0 3) and (1 0 7) planes of the β-In 2 S 3 tetragonal structure. It was also found that the In 2 S 3 films present an energy bandgap (E g ) of about 2.75 eV, regardless of the thickness of the samples.

Original languageEnglish (US)
Pages (from-to)38-42
Number of pages5
JournalApplied Surface Science
Volume350
DOIs
StatePublished - Sep 30 2015

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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