Sputter grown sub-micrometer thick Cu2ZnSnS4 thin film for photovoltaic device application

Goutam Kumar Dalapati*, Sudip K. Batabyal, Saeid Masudy-Panah, Zhenghua Su, Ajay Kushwaha, Ten It Wong, Hong Fei Liu, Thirumaleshwara Bhat, Aneesa Iskander, Yee Fun Lim, Lydia Helena Wong, Sudhiranjan Tripathy, Dongzhi Chi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

Abstract Structural properties and solar cells performance of sputter grown sub-micrometer thick (~600 nm) Cu2ZnSnS4 (CZTS) films are investigated for low cost and large scale photovoltaic deployment. The CZTS films are deposited using single quaternary stoichiometric target at room temperature. X-ray diffraction, micro-Raman spectroscopy, and scanning electron microscopy measurements were carried out to investigate the structural property and secondary phase formation. The intense phonon peak at 334 cm-1 in the visible Raman spectra confirms the deposition of single phase CZTS films. CZTS-based thin film solar cells show excellent performance with open circuit voltage ~600 mV and over all cell efficiency of ~3.07%, exhibiting commercial potential toward large scale fabrication of photovoltaic devices.

Original languageEnglish
Article number19287
Pages (from-to)45-50
Number of pages6
JournalMaterials Letters
Volume160
DOIs
Publication statusPublished - Jul 25 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V.

ASJC Scopus Subject Areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • Micro-Raman spectroscopy
  • Photovoltaic devices
  • Sputter grown
  • Sub-micrometer thick CuZnSnS

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