Synthesis and characterizations of Cu2MgSnS4 thin films with different sulfuration temperatures

Synthesis and characterizations of Cu2MgSnS4 thin films with different sulfuration temperatures
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不同硫化温度Cu2MgSnS4薄膜的合成与表征

DOI:
10.1016/j.matlet.2019.01.102
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发表时间:
2019-05
期刊:
影响因子:
3
通讯作者:
Zhang Zhenzhong
Zhang Zhenzhong
中科院分区:
材料科学3区
文献类型:
--
作者:
Yang Gang;Zhai Xiaoli;Li Yongfeng;Yao Bin;Ding Zhanhui;Deng Rui;Zhao Haifeng;Zhang Ligong;Zhang Zhenzhong

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Cu2MgSnS4 薄膜采用溶胶-凝胶旋涂法制备,然后进行硫化。研究了退火温度对结构、光学和电学特性的影响。所有退火的 CMTS 薄膜都显示出贫铜和轻微贫硫的情况。 X射线衍射和X射线光电子能谱结果揭示了闪锌矿结构CMTS薄膜的形成。硫化温度的升高提高了CMTS薄膜的结晶度并减小了带隙。 CMTS太阳能电池在530°C的优化温度下表现出0.78%的更高效率。
Cu2MgSnS4thin films were prepared by sol–gel spin-coating route followed by sulfuration. The effects of the annealing temperature on structural, optical and electrical characteristics were investigated. All the annealed CMTS thin films show Cu-poor and slightly S-poor condition. X-ray diffraction and X-ray photoelectron spectroscopy results reveal the formation of zinc-blende structure CMTS thin films. The increase of sulfurization temperature improves the crystallinity and diminishes the bandgaps of CMTS films. The CMTS solar cell shows a better efficiency of 0.78% with the optimized temperature of 530 °C.
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