Compositional disparity in Cu2ZnSnS4 (CZTS) thin film deposited by RF-sputtering from a single quaternary compound target

M. T. Ferdaous, P. Chelvanathan, S. A. Shahahmadi, M. M.I. Sapeli, Kamaruzzaman Sopian, Nowshad Amin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Cu2ZnSnS4 (CZTS) is highly researched photovoltaic (PV) material in recent years because of resource availability and non-toxicity of its constituents. Radio frequency (RF) magnetron sputtering is one of the potential methods of fabricating CZTS thin film due to its suitability for large scale industrial implementation. Of the three methods of depositing CZTS films by RF sputtering, one step single quaternary target sputtering is by far the simplest and straightforward one. However, deposition profile plays a crucial role in maintaining the integrity of pre-defined target composition transferred to glass substrates. In this study, several deposition parameters, such as RF power, working pressure, and target to sample distance were varied and their influences on corresponding compositional variation in deposited samples were studied. A quaternary CZTS target with pre-fixed composition (Cu = 22%, Zn = 15%, Sn = 13%, S = 50%) was used to deposit CZTS thin films at various depositing conditions. Among all deposition profiles, high RF power was found to be more detrimental with high Cu loss up to 53% from the original atomic composition.

Original languageEnglish
Pages (from-to)201-205
Number of pages5
JournalMaterials Letters
Volume221
DOIs
Publication statusPublished - 15 Jun 2018

Fingerprint

Sputtering
radio frequencies
sputtering
Thin films
thin films
Chemical analysis
profiles
Magnetron sputtering
integrity
availability
resources
magnetron sputtering
Deposits
deposits
Availability
Glass
Cu2ZnSnS4
glass
Substrates

Keywords

  • CZTS
  • Process parameters
  • Quaternary compound target
  • Sputtering
  • Thin films

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Compositional disparity in Cu2ZnSnS4 (CZTS) thin film deposited by RF-sputtering from a single quaternary compound target. / Ferdaous, M. T.; Chelvanathan, P.; Shahahmadi, S. A.; Sapeli, M. M.I.; Sopian, Kamaruzzaman; Amin, Nowshad.

In: Materials Letters, Vol. 221, 15.06.2018, p. 201-205.

Research output: Contribution to journalArticle

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