Acta Optica Sinica, Volume. 40, Issue 24, 2431001(2020)

Design and Analysis of Triple-Layer Antireflection Film for Crystalline Silicon Heterogeneous Solar Cell

Kaiying Shi1, Shaowen Han1, Bencai Lin2, and Xilian Sun1、*
Author Affiliations
  • 1Institute of Photovoltaics, Nanchang University, Nanchang, Jiangxi 330031, China
  • 2Jiangsu Province Cultivation Base for State Key Laboratory of Photovoltaic Science and Technology, Changzhou University, Changzhou, Jiangsu 213164, China
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    Figures & Tables(11)
    AM1.5 solar spectrum and spectral response characteristic curves of crystalline silicon solar cell
    Structural diagram of ITO/SiNx/SiOx triple-layer antireflection film
    Reflection spectra and weighted average reflectivity versus incident angle. (a) Reflection spectra of antireflection film with or without considering refractive index dispersion effect; (b) weighted average reflectivity versus incident angle
    Refractive index dispersion curve of each layer
    Reflection and absorption spectra of ITO single-layer antireflection film and ITO/SiNx/SiOx triple-layer antireflection film
    Reflection and optical loss spectra of antireflection film on planar silicon and textured silicon surfaces
    Absorption spectrum of antireflection film on planar silicon and textured silicon surfaces
    Current density-voltage characteristics of crystalline silicon solar cells based on planar silicon and textured silicon
    Variations of optical loss of antireflection film on textured silicon surface and conversion efficiency of corresponding solar cell with film thickness of each layer. (a) Variation of optical loss with film thickness; (b) variation of conversion efficiency with film thickness
    • Table 1. Electric characteristics of crystalline silicon solar cells on planar silicon and textured silicon

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      Table 1. Electric characteristics of crystalline silicon solar cells on planar silicon and textured silicon

      Cell designShort-circuit currentdensity /(mA·cm-2)Open-circuitvoltage /VFilling factor /%Conversionefficiency /%
      Planar Si-reflection loss34.380.594171.5814.62
      Textured Si-reflection loss35.320.594872.1615.16
      Planar Si-absorption loss34.590.594272.2014.84
      Textured Si-absorption loss34.490.594271.5314.66
      Planar Si-optical loss33.610.593571.6914.30
      Textured Si-optical loss34.430.594171.5714.64
    • Table 2. Thickness tolerance range of each layer

      View table

      Table 2. Thickness tolerance range of each layer

      Layer of antireflection filmITO layerSiNx layerSiOx layer
      Thickness tolerance range /nm20.9-22.734.9-36.682.8-126.3
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    Kaiying Shi, Shaowen Han, Bencai Lin, Xilian Sun. Design and Analysis of Triple-Layer Antireflection Film for Crystalline Silicon Heterogeneous Solar Cell[J]. Acta Optica Sinica, 2020, 40(24): 2431001

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    Paper Information

    Category: Thin Films

    Received: Aug. 25, 2020

    Accepted: Sep. 25, 2020

    Published Online: Nov. 24, 2020

    The Author Email: Sun Xilian (sunxilian@ncu.edu.cn)

    DOI:10.3788/AOS202040.2431001

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