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
for heavy metal ion sensing (Review)[J]. Critical Reviews in
Analytical Chemistry, 2018, 48(4): 293-304.
[4] Standardization Administration of the People′s Republic of China.
Standards for drinking water quality: GB 5749—2006[S]. Beijing:
China Standard Press (中国标准出版社), 2006: 1-16.
[5] WU Q, BI H M, HAN X J. Research progress of electrochemical
detection of heavy metal ions[J]. Chinese Journal of Analytical
Chemistry, 2021, 49(3): 330-340.
[6] DING Q, LI C, WANG H J, et al. Electrochemical detection of heavy
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
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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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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: