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Journal of Inorganic Materials, Volume. 35, Issue 10, 1130(2020)

Synthesis and Supercapacitor Performance of Histidine-functionalized Carbon Dots/Graphene Aerogel

Zhuofeng DING1... Yongqiang YANG2 and Zaijun LI1,* |Show fewer author(s)
Author Affiliations
  • 1School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
  • 2Jiangsu Province Special Equipment Safety Supervision and Inspection Institute Branch, Wuxi 214071, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (17)
    Equations (4)
    References (25)
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    Figures & Tables(17)
    Schematic illustration of His-CDs/GA preparation
    1. Schematic illustration of His-CDs/GA preparation

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    Size distribution of His-CDs
    S1. Size distribution of His-CDs

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    XRD pattern (a) and IR spectrum (b) of His-CDs
    S2. XRD pattern (a) and IR spectrum (b) of His-CDs

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    TEM image of His-CDs (Inset: HRTEM image)
    2. TEM image of His-CDs (Inset: HRTEM image)

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    SEM images of GA(a), His-CDs/GA-1(b), His-CDs/ GA-2(c), and His-CDs/GA-3(d), and TEM images of GA(e) and His-CDs/GA-2(f)
    3. SEM images of GA(a), His-CDs/GA-1(b), His-CDs/ GA-2(c), and His-CDs/GA-3(d), and TEM images of GA(e) and His-CDs/GA-2(f)

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    Raman spectra of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3
    S3. Raman spectra of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3

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    N2 absorption-desorption isotherms (a) and pore size distributions (b) of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3
    S4. N2 absorption-desorption isotherms (a) and pore size distributions (b) of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3

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    XRD patterns of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3
    4. XRD patterns of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3

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    Total survey XPS spectra (a) of GA and His-CDs/GA-2 and N 1s spectrum (b) of His-CDs/GA-2
    5. Total survey XPS spectra (a) of GA and His-CDs/GA-2 and N 1s spectrum (b) of His-CDs/GA-2

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    C1s (a) and O1s (b) XPS spectra of His-CDs/GA-2
    S5. C1s (a) and O1s (b) XPS spectra of His-CDs/GA-2

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    CV curves (a) at 10 mV·s-1 and GCD curves (b) at 1 A·g-1 of GA, His-CDs/GA-1, His-CDs/GA-2, and His-CDs/ GA-3
    6. CV curves (a) at 10 mV·s-1 and GCD curves (b) at 1 A·g-1 of GA, His-CDs/GA-1, His-CDs/GA-2, and His-CDs/ GA-3

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    AC impedance plots of 4 electrodes with inset showing the equivalent ciruit from the EIS measurements
    S6. AC impedance plots of 4 electrodes with inset showing the equivalent ciruit from the EIS measurements

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    CV curves (a) at different scan rates and GCD curves (b) at different current densities of His-CDs/GA-2//His-CDs/ GA-2 symmetrical supercapacitor
    S7. CV curves (a) at different scan rates and GCD curves (b) at different current densities of His-CDs/GA-2//His-CDs/ GA-2 symmetrical supercapacitor

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    CV curves at different scan rates (a) and GCD curves at different current densities (b) of His-CDs/GA-2; Rate capabilities of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3 (c); Cycling performances of GA and His-CDs/GA-2 at 10 A·g-1 (d)
    7. CV curves at different scan rates (a) and GCD curves at different current densities (b) of His-CDs/GA-2; Rate capabilities of GA, His-CDs/GA-1, His-CDs/GA-2 and His-CDs/GA-3 (c); Cycling performances of GA and His-CDs/GA-2 at 10 A·g-1 (d)

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    Cycling performance at 5 A·g-1 over 20000 cycles of His-CDs/GA-2//His-CDs/GA-2 symmetrical supercapacitor
    S8. Cycling performance at 5 A·g-1 over 20000 cycles of His-CDs/GA-2//His-CDs/GA-2 symmetrical supercapacitor

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    Ragon plots of His-CDs/GA-2//His-CDs/GA-2
    8. Ragon plots of His-CDs/GA-2//His-CDs/GA-2

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    • Table 1. Comparison of the specific capacitance of His-CDs/GA-2 and other graphene-based electrodes

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      Table 1. Comparison of the specific capacitance of His-CDs/GA-2 and other graphene-based electrodes

      ElectrodeSpecific
      capacitance/
      (F·g-1)      		Current
      density/
      (A·g-1)      		Ref.
      RGO/CD2780.2[1]
      N-OMCN@GN242.31[2]
      N/S-rGAs180.51[3]
      GQDs-3DG2681.25[4]
      GQD/3DG2421.17[5]
      3D graphene layers231.21[6]
      3D bubble-like
      graphene frameworks      		2771[7]
      His-CDs/GA-23041This work
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    Zhuofeng DING, Yongqiang YANG, Zaijun LI. Synthesis and Supercapacitor Performance of Histidine-functionalized Carbon Dots/Graphene Aerogel[J]. Journal of Inorganic Materials, 2020, 35(10): 1130

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    Paper Information

    Category: RESEARCH PAPER

    Received: Dec. 11, 2019

    Accepted: --

    Published Online: Mar. 15, 2021

    The Author Email: LI Zaijun (zaijunli@jiangnan.edu.cn)

    DOI:10.15541/jim20190630

    Topics

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