Acta Optica Sinica, Volume. 40, Issue 21, 2124002(2020)

Ultra-Broadband Solar Absorber Based on Titanium Nitride and Titanium Dioxide

Chen Zhang1, Wenrui Xue1、*, Yuefei Chen1, Jing Zhang1, and Changyong Li2,3
Author Affiliations
  • 1College of Physics and Electronic Engineering, Shanxi University, Taiyuan, Shanxi 0 30006, China
  • 2State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, Shanxi 0 30006, China
  • 3Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 0 30006, China
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    Figures & Tables(6)
    Schematic of unit structure of absorber
    Absorptivity as functions of incident angle and wavelength
    Magnetic field distributions in unit structure under different incident wavelengths. (a) 740 nm; (b) 1000 nm; (c) 1980 nm
    Relationship between absorptivity and incident wavelength when geometric parameters of structure are changed. (a) h1; (b) h2; (c) W1; (d) W2; (e) P; (f) L
    Relationship between absorptivity and incident wavelength when shape of top layer is changed
    • Table 1. Parameters in expression of permittivity of tungsten materials

      View table

      Table 1. Parameters in expression of permittivity of tungsten materials

      iωi /eVfi /eVΓi /eV
      11.0040.0540.530
      21.9170.1661.281
      33.5800.7063.332
      47.4982.5095.836
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    Chen Zhang, Wenrui Xue, Yuefei Chen, Jing Zhang, Changyong Li. Ultra-Broadband Solar Absorber Based on Titanium Nitride and Titanium Dioxide[J]. Acta Optica Sinica, 2020, 40(21): 2124002

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    Paper Information

    Category: Optics at Surfaces

    Received: Apr. 7, 2020

    Accepted: Jul. 15, 2020

    Published Online: Oct. 17, 2020

    The Author Email: Xue Wenrui (wrxue@sxu.edu.cn)

    DOI:10.3788/AOS202040.2124002

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