Synthesis and structural characterizations of Cu2ZnSnS 4 thin films

Liyuan Zhang; Xin Zhang; Sreejith Karthikeyan; Stephen A. Campbell

doi:10.1109/PVSC.2013.6744995

Synthesis and structural characterizations of Cu₂ZnSnS ₄ thin films

Liyuan Zhang, Xin Zhang, Sreejith Karthikeyan, Stephen A. Campbell

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

We investigate the synthesis of kesterite Cu₂ZnSnS₄ (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in sulfur atmosphere at 600 ^°C. X-ray diffraction and Raman scattering results show that the films produced from a Cu/Sn/Cu/Zn precursor at 600^°C for 4 hours are kesterite phase CZTS with traces of ZnS. Grain sizes of 1 um or above are obtained from SEM images. We explored the effect of the sulfurization temperature, sulfurization time and metal precursor evaporation sequence on the CZTS structure and film morphology. The beneficial effect of impurity diffusion in grain growth has also been observed in this work.

Original language	English (US)
Title of host publication	39th IEEE Photovoltaic Specialists Conference, PVSC 2013
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2552-2556
Number of pages	5
ISBN (Print)	9781479932993
DOIs	https://doi.org/10.1109/PVSC.2013.6744995
State	Published - Jan 1 2013
Event	39th IEEE Photovoltaic Specialists Conference, PVSC 2013 - Tampa, FL, United States Duration: Jun 16 2013 → Jun 21 2013

Other

Other	39th IEEE Photovoltaic Specialists Conference, PVSC 2013
Country	United States
City	Tampa, FL
Period	6/16/13 → 6/21/13

Keywords

Absorbing materials
CZTS
Film morphology
Sulfurization

Access

10.1109/PVSC.2013.6744995

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Synthesis and structural characterizations of Cu₂ZnSnS ₄ thin films. / Zhang, Liyuan; Zhang, Xin; Karthikeyan, Sreejith; Campbell, Stephen A.

39th IEEE Photovoltaic Specialists Conference, PVSC 2013. Institute of Electrical and Electronics Engineers Inc., 2013. p. 2552-2556 6744995.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, L, Zhang, X, Karthikeyan, S & Campbell, SA 2013, Synthesis and structural characterizations of Cu₂ZnSnS ₄ thin films. in 39th IEEE Photovoltaic Specialists Conference, PVSC 2013., 6744995, Institute of Electrical and Electronics Engineers Inc., pp. 2552-2556, 39th IEEE Photovoltaic Specialists Conference, PVSC 2013, Tampa, FL, United States, 6/16/13. https://doi.org/10.1109/PVSC.2013.6744995

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abstract = "We investigate the synthesis of kesterite Cu2ZnSnS4 (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in sulfur atmosphere at 600 °C. X-ray diffraction and Raman scattering results show that the films produced from a Cu/Sn/Cu/Zn precursor at 600°C for 4 hours are kesterite phase CZTS with traces of ZnS. Grain sizes of 1 um or above are obtained from SEM images. We explored the effect of the sulfurization temperature, sulfurization time and metal precursor evaporation sequence on the CZTS structure and film morphology. The beneficial effect of impurity diffusion in grain growth has also been observed in this work.",

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N2 - We investigate the synthesis of kesterite Cu2ZnSnS4 (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in sulfur atmosphere at 600 °C. X-ray diffraction and Raman scattering results show that the films produced from a Cu/Sn/Cu/Zn precursor at 600°C for 4 hours are kesterite phase CZTS with traces of ZnS. Grain sizes of 1 um or above are obtained from SEM images. We explored the effect of the sulfurization temperature, sulfurization time and metal precursor evaporation sequence on the CZTS structure and film morphology. The beneficial effect of impurity diffusion in grain growth has also been observed in this work.

AB - We investigate the synthesis of kesterite Cu2ZnSnS4 (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in sulfur atmosphere at 600 °C. X-ray diffraction and Raman scattering results show that the films produced from a Cu/Sn/Cu/Zn precursor at 600°C for 4 hours are kesterite phase CZTS with traces of ZnS. Grain sizes of 1 um or above are obtained from SEM images. We explored the effect of the sulfurization temperature, sulfurization time and metal precursor evaporation sequence on the CZTS structure and film morphology. The beneficial effect of impurity diffusion in grain growth has also been observed in this work.

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