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首页> 外文期刊>Materials Research Innovations >Characterisation and properties of Cu_2ZnSnS_4 thin films synthesised by sputtering from an alloy target
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Characterisation and properties of Cu_2ZnSnS_4 thin films synthesised by sputtering from an alloy target

机译:合金靶溅射合成Cu_2ZnSnS_4薄膜的表征与性能

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摘要

Cu_2ZnSnS_4 (CZTS) thin films were synthesised on glass substrates by sulphurising sputtered metallicrnprecursors in H_2S + N_2 atmosphere at 500 ℃. The influences of the radio frequency (RF) sputteringrnpower on the structure, surface morphology, optical and electrical properties of the thin films wererninvestigated. Scanning electron microscopy, X-ray diffraction, Raman and UV–vis NIR spectroscopyrnwere used to characterise the films. All the CZTS thin films exhibited a dominant kesterite structure.rnWith increasing sputtering power, secondary phases in the films reduced, and the surface becamernmore compact. The optimum quality films with poor-Cu and rich-Zn were obtained when the sputteringrnpower was 90 W, and the optical band gap, carrier concentration, resistivity and mobility were 1.47 eV,rn2.07 × 10~(18) cm~(−3), 2.37 Ω cm and 1.38 cm~2 s~(−1) v~(−1), respectively. The optical and electrical properties ofrnthe CZTS thin films in relation to the secondary phases were discussed.
机译:在H_2S + N_2气氛中500℃硫化溅射的金属前驱体,在玻璃基板上合成了Cu_2ZnSnS_4(CZTS)薄膜。研究了射频(RF)溅射功率对薄膜结构,表面形貌,光学和电学性质的影响。扫描电子显微镜,X射线衍射,拉曼光谱和紫外可见NIR光谱用于表征薄膜。所有的CZTS薄膜均表现出主要的钙钛矿结构。随着溅射功率的增加,薄膜中的第二相减少,表面变得更加致密。当溅射功率为90 W时,获得了Cu和Zn含量丰富的最佳薄膜,其光学带隙,载流子浓度,电阻率和迁移率分别为1.47 eV,rn2.07×10〜(18)cm〜(- 3),2.37Ωcm和1.38 cm〜2 s〜(-1)v〜(-1)。讨论了CZTS薄膜相对于第二相的光学和电学性质。

著录项

  • 来源
    《Materials Research Innovations》 |2017年第2期|97-101|共5页
  • 作者单位

    School of Physics & Information Engineering, Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350116, P.R. China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering;

    Changzhou 213164, P.R. China;

    School of Physics & Information Engineering, Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350116, P.R. China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering;

    Changzhou 213164, P.R. China;

    School of Physics & Information Engineering, Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350116, P.R. China;

    School of Physics & Information Engineering, Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350116, P.R. China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering;

    Changzhou 213164, P.R. China;

    School of Physics & Information Engineering, Institute of Micro/Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350116, P.R. China,Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering;

    Changzhou 213164, P.R. China;

  • 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

    Cu_2ZnSnS_4 thin films; RF-sputtering power; Opto-electrical properties;

    机译:Cu_2ZnSnS_4薄膜;射频溅射功率;光电性能;

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