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Growth of polycrystalline silicon on glass for thin-film solar cells

机译:薄膜太阳能电池在玻璃上生长多晶硅

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摘要

Polycrystalline Si (poly-Si) thin-film solar cells on glass feature the potential to reach high single-junction efficiencies at low costs. However, the preparation is challenging because the process temperatures are limited by the glass to about 600 ℃. There are several methods to prepare poly-Si films on glass. So far, the best poly-Si thin-film solar cells on glass have been prepared by solid phase crystallization (SPC) of amorphous Si (a-Si). In this paper, we give an overview on the formation of poly-Si films by both SPC and the aluminum-induced layer exchange (AL1LE) process (which is based on aluminum-induced crystallization (AlC) of a-Si). Due to the fact that the utilization of ZnO:Al-coated glass is an attractive option for future poly-Si thin-film solar cells, we discuss the influence of an additional ZnO:Al layer on the formation of poly-Si films. Such an additional ZnO:Al layer leads to enhanced nucleation. Thus, the time necessary to form the poly-Si film (process time) and the resulting grain size of the poly-Si film are reduced.
机译:玻璃上的多晶硅(poly-Si)薄膜太阳能电池具有以低成本实现高单结效率的潜力。然而,由于玻璃将制程温度限制在约600℃,因此制备过程具有挑战性。有几种在玻璃上制备多晶硅膜的方法。迄今为止,已经通过非晶硅(a-Si)的固相结晶(SPC)制备了玻璃上最好的多晶硅薄膜太阳能电池。在本文中,我们概述了通过SPC和铝诱导层交换(AL1LE)工艺(基于a-Si的铝诱导结晶(AlC))形成的多晶硅膜。由于使用ZnO:Al涂层的玻璃对于未来的多晶硅薄膜太阳能电池来说是有吸引力的选择,因此,我们讨论了额外的ZnO:Al层对多晶硅膜形成的影响。这种额外的ZnO:Al层可增强成核作用。因此,减少了形成多晶硅膜所需的时间(处理时间)和所得的多晶硅膜的晶粒尺寸。

著录项

  • 来源
    《Journal of Crystal Growth》 |2010年第8期|p.1277-1281|共5页
  • 作者单位

    Helmholtz-Zentrum Berlin fuer Materialien und Energie, Kekulestr. 5, 12489 Berlin, Germany;

    rnHelmholtz-Zentrum Berlin fuer Materialien und Energie, Kekulestr. 5, 12489 Berlin, Germany;

    rnHelmholtz-Zentrum Berlin fuer Materialien und Energie, Kekulestr. 5, 12489 Berlin, Germany;

    rnHelmholtz-Zentrum Berlin fuer Materialien und Energie, Kekulestr. 5, 12489 Berlin, Germany;

    rnHelmholtz-Zentrum Berlin fuer Materialien und Energie, Kekulestr. 5, 12489 Berlin, Germany;

  • 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

    A1. Nucleation; A3. Metal-induced crystallization; B2. Semiconducting silicon; B3. Solar cells;

    机译:A1。成核;A3。金属诱导的结晶;B2。半导体硅;B3。太阳能电池;

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