Page 59 - 《精细化工》2022年第5期
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             第 5 期                  阚   侃,等:  基于 PANI/EG 层间复合材料的 Cd 电化学传感器                            ·913·

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            的传质阻力最小,这有利于 Cd 在 PANI/EG12 修饰                         review[J]. Sensors and Actuators A: Physical, 2021, 330: 112879.
                                                               [2]   NUMAN A, GILL A A S, RAFIQUE S, et al. Rationally engineered
            电极表面的快速吸附与解吸附,有利于电化学反应
                                                                   nanosensors: A novel strategy for the detection of heavy metal ions in
            的进行。                                                   the environment[J]. Journal of Hazardous Materials, 2021, 409: 124493.
                                                               [3]   DESHMUKH M A, SHIRSAT M D, RAMANAVICIENE A, et al.
                                                                   Composites based on conducting polymers and carbon nanomaterials
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                                                                   Standards  for drinking water quality:  GB 5749—2006[S]. Beijing:
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                                                                   detection of heavy metal ions[J]. Chinese Journal  of  Analytical
                                                                   Chemistry, 2021, 49(3): 330-340.
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                                                                   metal ions in water[J]. Chemical Communications, 2021, 57(59):
                                                                   7215-7231.

                                                               [7]   LI Y P, XIA T F, ZHANG J, et al. A manganese-based metal-organic
            图 14  EG、PANI 和 PANI/EG 层间复合材料的电化学阻                    framework electrochemical sensor for highly sensitive cadmium ions
                   抗 Nyquist 图和等效电路图                               detection[J]. Journal of Solid State Chemistry, 2019, 275: 38-42.
            Fig. 14    Nyquist plots and equivalent circuit of EG, PANI   [8]   HUANG W H,  LIU Y  M, WANG N W, et al. A sensitive electro-
                    and PANI/EG interlaminar composites            chemical sensor based on ion imprinted  polymers with gold
                                                                   nanoparticles for  high selective detecting Cd  (Ⅱ)  ions in real
            表 1   EG、PANI 和 PANI/EG 层间复合材料电化学阻抗                    samples[J]. Journal of Inorganic and  Organometallic Polymers and
                                                                   Materials, 2021, 31: 2043-2053.
                  计算拟合参数                                       [9]   LI Y P, CAI  Y  X, SHA K,  et al. A free-standing  poly-MOF  film
            Table 1    Fitting parameters calculated by electrochemical   fabricated by post-modification and interfacial polymerization: A
                    impedance of EG, PANI and PANI/EG interlaminar   novel platform for Cd  electrochemical sensors[J]. Microporous and
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                    composites                                     Mesoporous Materials, 2021, 323: 111200.
               修饰电极        R s/Ω    R ct/Ω   C/F    Z w/Ω      [10]  WANG Y, WANG L, HUANG W, et al. A metal-organic framework
                                                                   and conducting  polymer based electrochemical sensor for  high
              PANI         54.01    118.4   0.843   1.722
                                                                   performance cadmium ion detection[J]. Journal of Materials
              PANI/EG8     54.87    94.06   0.792   1.475
                                                                   Chemistry A, 2017, 5(18): 8385-8393.
              PANI/EG12    56.56    74.82   0.841   0.751      [11]  SAISREE S, ASWATHI R, NAIR J S A, et al. Radical sensitivity and
              PANI/EG16    55.46    67.27   0.791   2.057          selectivity in the electrochemical sensing of cadmium ions in water
              EG           56.41    49.54   0.682   0.892          by polyaniline-derived nitrogen-doped graphene  quantum dots[J].
                                                                   New Journal of Chemistry, 2021, 45(1): 110-122.
                                                               [12]  WU W, ALI  A, JAMAL R,  et al. A bromine-catalysis-synthesized
            3   结论                                                 poly(3,4-ethylenedioxythiophene)/graphitic  carbon  nitride
                                                                   electrochemical sensor for heavy  metal ion determination[J]. RSC
                                                                   Advances, 2019, 9: 34691-34698.
                (1)采用电化学氧化法制备了 EG 碳骨架。然
                                                               [13]  REHMAN A U, IKRAM M,  KAN K, et al. 3D interlayer
            后采用真空插层辅助原位氧化聚合法,设计构建了                                 nanohybrids composed of reduced graphenescheme oxide/SnO 2/PPy
                                                                                                           2+
            呈 3D 分级结构的 PANI 包覆 EG 层间复合材料。                          grown from expanded graphite for the detection of ultra-trace Cd ,
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                                                                               2+
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                                                                   Cu , Hg  and Pb  ions[J]. Sensors and Actuators B: Chemical,
                (2)PANI/EG 层间复合材料中多孔塔尖状的                           2018, 274: 285-295.
            PANI 有序包覆生长在 EG 的石墨片层表面。PANI/                      [14]  NAROUEI F H, LIVERNOIS L, ANDREESCU  D,  et al. Highly
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            EG12 修饰电极对Cd 检测的敏感度为7.814 A/(mol/L),                   sensitive mercury detection using electroactive gold-decorated
                                                                   polymer nanofibers[J]. Sensors and Actuators B: Chemical, 2021,
                       2
            相关系数 R =0.9993;检测极限为 3.24 nmol/L;检                     329: 129267.
            测范围为 0.25~6.0 μmol/L;重复性及抗干扰性良好。                   [15]  KONG Y, WU T T, WU D, et al. An electrochemical sensor based on
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                                                                   Fe 3O 4@PANI nanocomposites for sensitive detection of  Pb  and
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                (3)PANI/EG 修饰电极对痕量 Cd 优异的检测                        Cd [J]. Analytical Methods, 2018, 10(39): 4784-4792.
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            效果主要归因于独特的 3D 分级结构,PANI 增加的                        [16]  SHOAIE N, DANESHPOUR M, AZIMZADEH M,  et al. Electro-
                                                                   chemical sensors and biosensors based on the use of polyaniline and
            电化学活性位点和 EG 良好的电化学性能三方面的
                                                                   its nanocomposites: A review on recent advances[J]. Microchimica
            协同作用。                                                  Acta, 2019, 186: 465.
                 本文制备的 PANI/EG 层间复合材料作为一类                      [17]  LOCHAB A,  SHARMA R, KUMAR S,  et al. Recent  advances in
                                                                   carbon based nanomaterials as electrochemical sensor for toxic metal
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            传感器电极修饰材料,可以应用于高性能 Cd 电化                               ions in environmental applications[J]. Materials Today: Proceedings,
            学传感器的研发。                                               2021, 45(3): 3741-3753.
                                                               [18]  LU Z W, ZHAO  W  Y, WU L,  et al. Tunable electrochemical of
            参考文献:                                                  electrosynthesized layer-by-layer  multilayer films based  on multi-
                                                                   walled carbon nanotubes and metal-organic framework as high-
            [1]   NIGAM A,  SHARMA N, TRIPATHY  S,  et al. Development of   performance electrochemical sensor for simultaneous determination
                 semiconductor based heavy metal ion sensors for water analysis: A   cadmium and lead[J]. Sensors and Actuators B: Chemical, 2021, 326:
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