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Acta Optica Sinica, Volume. 39, Issue 2, 0228002(2019)

Construction and Experimental Study of a Multi-Channel Localized Surface Plasmon Resonance Analysis Device

Shun Wang1、*, Hao Zhang1, Wei Li2, Shixin Li1, Jianbo Zhao3, Qingqian Guo1, Ling Wang1, Junjuan Shang1, Xin Li2, and Jiandong Hu1、*
Author Affiliations
  • 1 College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou, Henan 450002, China;
  • 2 College of Sciences, Henan Agricultural University, Zhengzhou, Henan 450002, China
  • 3 Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450001, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(10)
    (a) Schematic of multi-channel precision alignment LSPR experimental setup; (b) multi-channel precision alignment system

    Fig. 1. (a) Schematic of multi-channel precision alignment LSPR experimental setup; (b) multi-channel precision alignment system

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    Absorbance distribution of AuNPs with diameter of 13.5 nm at the corresponding positions of microplates

    Fig. 2. Absorbance distribution of AuNPs with diameter of 13.5 nm at the corresponding positions of microplates

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    Extinction spectra of AuNPs with different diameters and the relationship between LSPR peak wavelength and the diameter of AuNPs in water medium. (a) Extinction spectra; (b) relationship

    Fig. 3. Extinction spectra of AuNPs with different diameters and the relationship between LSPR peak wavelength and the diameter of AuNPs in water medium. (a) Extinction spectra; (b) relationship

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    Extinction spectra of AuNPs with different diameters and the relationship between LSPR peak wavelength and the diameter of AuNPs in glucose solution medium with mass fraction of 5.6%. (a) Extinction spectra; (b) relationship

    Fig. 4. Extinction spectra of AuNPs with different diameters and the relationship between LSPR peak wavelength and the diameter of AuNPs in glucose solution medium with mass fraction of 5.6%. (a) Extinction spectra; (b) relationship

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    Relation between AuNPs LSPR peak wavelength and environmental refractive index

    Fig. 5. Relation between AuNPs LSPR peak wavelength and environmental refractive index

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    • Table 1. Reagents required for AuNPs synthesis and the diameter of AuNPs

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      Table 1. Reagents required for AuNPs synthesis and the diameter of AuNPs

      Amount of 1% sodium citrate /mLAmount of 1 mmol/L HAuCl4/mLMolar ratio of sodium citrate to HAuCl4Diameter of prepared AuNPs /nm
      2.50253.87∶113.5
      1.28251.98∶125.5
      0.85251.32∶141.0

    • Table 2. Fitting coefficient for different sizes of AuNPs in water medium

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      Table 2. Fitting coefficient for different sizes of AuNPs in water medium

      D /nmp1p2p3p4p5Adjusted R2
      5.03.320×10-8-6.920×10-50.05464-18.9724630.9997
      13.56.758×10-8-14.140×10-50.11050-38.2849560.9976
      25.54.436×10-8-9.405×10-50.07451-26.1434300.9990
      41.05.004×10-8-10.650×10-50.08466-29.8239250.9979

    • Table 3. Fitting coefficient for different sizes of AuNPs in glucose solution medium with mass fraction of 5.6%

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      Table 3. Fitting coefficient for different sizes of AuNPs in glucose solution medium with mass fraction of 5.6%

      D /nmp1p2p3p4p5Adjusted R2
      5.03.324×10-8-6.77×10-50.05314-18.4724010.9997
      13.58.093×10-8-16.94×10-50.13250-45.9359510.9964
      25.54.844×10-8-10.27×10-50.08133-28.5437430.9987
      41.05.396×10-8-11.49×10-50.09138-32.1942400.9985

    • Table 4. Fitting coefficient for AuNPs with diameter of 25.5 nm under different refractive index conditions

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      Table 4. Fitting coefficient for AuNPs with diameter of 25.5 nm under different refractive index conditions

      nrp1p2p3p4p5Adjusted R2
      1.33054.436×10-8-9.41×10-50.07451-26.1434300.9990
      1.34905.097×10-8-10.80×10-50.08555-30.0139350.9989
      1.36555.301×10-8-11.24×10-50.08910-31.2841050.9989
      1.37355.924×10-8-12.56×10-50.09957-34.9545860.9986

    • Table 5. Fitting coefficient for AuNPs with diameter of 41.0 nm under different refractive index conditions

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      Table 5. Fitting coefficient for AuNPs with diameter of 41.0 nm under different refractive index conditions

      nrp1p2p3p4p5Adjusted R2
      1.33055.004×10-8-10.65×10-50.08466-29.8239250.9979
      1.34905.150×10-8-10.97×10-50.08733-30.7940580.9982
      1.36555.657×10-8-12.05×10-50.09599-33.8644650.9980
      1.37355.872×10-8-12.52×10-50.09976-35.2146450.9986
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    Shun Wang, Hao Zhang, Wei Li, Shixin Li, Jianbo Zhao, Qingqian Guo, Ling Wang, Junjuan Shang, Xin Li, Jiandong Hu. Construction and Experimental Study of a Multi-Channel Localized Surface Plasmon Resonance Analysis Device[J]. Acta Optica Sinica, 2019, 39(2): 0228002

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jul. 6, 2018

    Accepted: Oct. 8, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0228002

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology