Impact of pre-alloying of sputtered Cu/Sn/Zn precursors for Cu2ZnSnS4 thin films

Sheng Wen Fu; Hui Ju Chen; Shih Hsiung Wu; Hsuan Ta Wu; Chuan Feng Shih

doi:10.1016/j.matlet.2016.02.046

Impact of pre-alloying of sputtered Cu/Sn/Zn precursors for Cu₂ZnSnS₄ thin films

Sheng Wen Fu, Hui Ju Chen, Shih Hsiung Wu, Hsuan Ta Wu, Chuan Feng Shih

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The Cu₂ZnSnS₄ (CZTS) films were prepared by sulfurizing the sputtered Cu-Sn-Zn precursors. The precursors were fabricated by sequentially sputtering of Cu, Sn and Zn metallic layers onto Mo-coated glass substrate. The effects of alloying before sulfurization on the structural and optical characteristics of the CZTS films were presented. Two independent sulfurization processes were carried out and compared. The sulfurization of the reference was completed in the tube furnace at 550 °C for 2 h. In the two-stage heat treatment approach, the precursor was alloyed at various temperatures before the sulfurization. Experimental results showed that alloying at 170 °C was crucial to improve the CZTS films, yielding uniform and dense grains with single kesterite CZTS phase.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Materials Letters
Volume	173
DOIs	https://doi.org/10.1016/j.matlet.2016.02.046
Publication status	Published - 2016 Jun 15

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.matlet.2016.02.046

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title = "Impact of pre-alloying of sputtered Cu/Sn/Zn precursors for Cu2ZnSnS4 thin films",

abstract = "The Cu2ZnSnS4 (CZTS) films were prepared by sulfurizing the sputtered Cu-Sn-Zn precursors. The precursors were fabricated by sequentially sputtering of Cu, Sn and Zn metallic layers onto Mo-coated glass substrate. The effects of alloying before sulfurization on the structural and optical characteristics of the CZTS films were presented. Two independent sulfurization processes were carried out and compared. The sulfurization of the reference was completed in the tube furnace at 550 °C for 2 h. In the two-stage heat treatment approach, the precursor was alloyed at various temperatures before the sulfurization. Experimental results showed that alloying at 170 °C was crucial to improve the CZTS films, yielding uniform and dense grains with single kesterite CZTS phase.",

author = "Fu, {Sheng Wen} and Chen, {Hui Ju} and Wu, {Shih Hsiung} and Wu, {Hsuan Ta} and Shih, {Chuan Feng}",

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T1 - Impact of pre-alloying of sputtered Cu/Sn/Zn precursors for Cu2ZnSnS4 thin films

AU - Fu, Sheng Wen

AU - Chen, Hui Ju

AU - Wu, Shih Hsiung

AU - Wu, Hsuan Ta

AU - Shih, Chuan Feng

PY - 2016/6/15

Y1 - 2016/6/15

N2 - The Cu2ZnSnS4 (CZTS) films were prepared by sulfurizing the sputtered Cu-Sn-Zn precursors. The precursors were fabricated by sequentially sputtering of Cu, Sn and Zn metallic layers onto Mo-coated glass substrate. The effects of alloying before sulfurization on the structural and optical characteristics of the CZTS films were presented. Two independent sulfurization processes were carried out and compared. The sulfurization of the reference was completed in the tube furnace at 550 °C for 2 h. In the two-stage heat treatment approach, the precursor was alloyed at various temperatures before the sulfurization. Experimental results showed that alloying at 170 °C was crucial to improve the CZTS films, yielding uniform and dense grains with single kesterite CZTS phase.

AB - The Cu2ZnSnS4 (CZTS) films were prepared by sulfurizing the sputtered Cu-Sn-Zn precursors. The precursors were fabricated by sequentially sputtering of Cu, Sn and Zn metallic layers onto Mo-coated glass substrate. The effects of alloying before sulfurization on the structural and optical characteristics of the CZTS films were presented. Two independent sulfurization processes were carried out and compared. The sulfurization of the reference was completed in the tube furnace at 550 °C for 2 h. In the two-stage heat treatment approach, the precursor was alloyed at various temperatures before the sulfurization. Experimental results showed that alloying at 170 °C was crucial to improve the CZTS films, yielding uniform and dense grains with single kesterite CZTS phase.

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Impact of pre-alloying of sputtered Cu/Sn/Zn precursors for Cu₂ZnSnS₄ thin films

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