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CZTS synthesis in aqueous media by microwave irradiation

机译:微波辐射在水性介质中合成CZTS

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摘要

Copper zinc tin sulfide (Cu_2ZnSnS_4, CZTS), a p-type semiconductor composed of non-toxic earth abundant elements, is a promising material for absorber layer application in thin film solar photovoltaics. The present work describes a relatively faster and reliable microwave irradiation technique to prepare CZTS powder in aqueous media. The CZTS phase of the as-synthesized powder was confirmed by X-ray diffraction and Raman spectroscopy. Optical properties i.e. band gap determined from Tauc plot of the optical absorption spectrum measured by UV-Vis spectroscopy was 1.27 eV, which is suitable for absorbing the solar radiation. The particle morphology studied under SEM and TEM analysis was found to be a 3D flower-like nanostructure formed from 2D layers of CZTS crystals. Further, the most probable mechanism for the formation of CZTS phase is explained.
机译:硫化铜锌锡(Cu_2ZnSnS_4,CZTS)是一种由无毒的富含稀土元素组成的p型半导体,是薄膜太阳能光伏中吸收层应用的有前途的材料。本工作描述了一种相对较快和可靠的微波辐射技术,用于在水性介质中制备CZTS粉末。所合成粉末的CZTS相通过X射线衍射和拉曼光谱法确认。光学性质,即由通过UV-Vis光谱法测量的光吸收光谱的Tauc图确定的带隙为1.27eV,其适合于吸收太阳辐射。在SEM和TEM分析下研究的颗粒形态是由CZTS晶体的2D层形成的3D花状纳米结构。此外,解释了形成CZTS相的最可能的机理。

著录项

  • 来源
    《Journal of materials science》 |2016年第4期|3152-3157|共6页
  • 作者单位

    BHEL Corporate Research and Development, Hyderabad, India;

    BHEL Corporate Research and Development, Hyderabad, India;

    BHEL Corporate Research and Development, Hyderabad, India;

    BHEL Corporate Research and Development, Hyderabad, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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