Spectroscopy and Spectral Analysis, Volume. 42, Issue 10, 3039(2022)

Retrieval of Polydisperse Au-Ag Alloy Nanospheres by Spectral Extinction Method

Yu-xia ZHENG*, Paerhatijiang TUERSUN1; 2; *;, Remilai ABULAITI1; 2;, Long CHENG1; 2;, and Deng-pan MA1; 2;
Author Affiliations
  • 1. School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi 830054, China
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    Figures & Tables(8)
    Comparison of inverted results with original distribution for particle systems Ⅰ(a): Particle size distribution; (a): Extinction spectrum
    Comparison of inverted results with original distribution for particle systems Ⅱ(a): Particle size distribution; (a): Extinction spectrum
    Variations of inversion relative error with mean particle size and particle size distribution standard deviation(a): Variation of inversion relative error with mean particle size; (b): Variation of inversion relative error with particle size distribution standard deviation
    Inversion results after adding 0.5% random noise(a): Particle size distribution; (b): Extinction spectrum
    Inversion results after adding 1.0% random noise(a): Particle size distribution; (b): Extinction spectrum
    Comparison of the inversion results with the original distribution after adding 0.5% random noises (Calculated 100 inversion results)(a): Mean particle size; (b): Standard deviation of particle size; (c): Particle number concentration
    • Table 1. Inversion errors of particle ensembles Ⅰ and particle ensembles Ⅱ in different wavelength ranges

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      Table 1. Inversion errors of particle ensembles Ⅰ and particle ensembles Ⅱ in different wavelength ranges

      波长范围
      /nm
      颗粒系Ⅰ颗粒系Ⅱ
      Dm
      误差/%
      σ
      误差/%
      N
      误差/%
      Dm
      误差/%
      σ
      误差/%
      N
      误差/%
      [200, 300]+1.74+23.90-3.96-6.11+40.39+11.08
      [200, 400]+1.64+31.18-3.85-5.75+38.31+10.37
      [200, 500]-0.22+40.02+0.48-5.01+36.18+8.52
      [200, 600]+0.01-0.52-0.02-4.72+35.53+7.76
      [300, 400]+2.18+57.23-5.300.36+42.66-6.08
      [300, 500]0-0.030+0.06-1.19-0.04
      [300, 600]-0.01-0.56+0.02-1.19+8.80+2.08
      [400, 500]+0.01-0.84-0.01-1.90+14.25+3.32
      [400, 600]+0.02-0.73-0.04-3.60+30.46+5.35
      [500, 600]-0.06+0.98+0.19+39.35+53.36-78.85
    • Table 2. Comparison of original and inversion parameters (obtained by averaging 100 inversion results)

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      Table 2. Comparison of original and inversion parameters (obtained by averaging 100 inversion results)

      颗粒系Ⅰ0.5%随机噪声1.0%随机噪声
      原始的Dm/nm8080
      反演的D-m/nm79.9379.84
      D-m的误差/%-0.09-0.19
      原始的σ/nm66
      反演的σ-/nm6.126.37
      σ-的误差/%+2.31+5.72
      原始的N/(个·cm-3)1×10101×1010
      反演的N-/(个·cm-3)1.001 8×10101.004 3×1010
      N-的误差/%+0.18+0.43
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    Yu-xia ZHENG, Paerhatijiang TUERSUN, Remilai ABULAITI, Long CHENG, Deng-pan MA. Retrieval of Polydisperse Au-Ag Alloy Nanospheres by Spectral Extinction Method[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3039

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    Paper Information

    Category: Research Articles

    Received: Sep. 15, 2021

    Accepted: Dec. 14, 2021

    Published Online: Nov. 23, 2022

    The Author Email: Yu-xia ZHENG (dearprof@126.com)

    DOI:10.3964/j.issn.1000-0593(2022)10-3039-07

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