利用超声恒电流沉积法在金电极表面制备了Pt-Pb纳米花,并将其用于构建无酶葡萄糖传感器,采用阻抗谱、循环伏安和差分脉冲伏安法研究了其电化学性能.SEM结果表明,当沉积电流为10 mA时,电极表面形成Pt-Pb纳米花结构.电化学测试结果表明,该电极对葡萄糖具有很好的电催化性能,在含有氯离子的溶液中不会失活.Pt-Pb纳米花电极构建的无酶传感器对葡萄糖的线性响应范围为0.5×10-3～22×10-3 mol/L,灵敏度为3.68mA· cm-2·(mol/L)-1,检测限为24×10-6 mol/L.此外,传感器具有良好的选择性、重复性和稳定性.
参考文献
| [1] | Guo M Q;Hong H S;Tang X N et al.Ultrasonic electrodeposition of platinum nanoflowers and their application in nonenzymatic glucose sensors[J].Electrochimica Acta,2012,63:1. |
| [2] | Xiao, F;Zhao, FQ;Mei, DP;Mo, ZR;Zeng, BZ .Nonenzymatic glucose sensor based on ultrasonic-electrode position of bimetallic PtM (M = Ru, Pd and Au) nanoparticles on carbon nanotubes-ionic liquid composite film[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,2009(12):3481-3486. |
| [3] | Bai Y;Yang WW;Sun Y;Sun CQ .Enzyme-free glucose sensor based on a three-dimensional gold film electrode[J].Sensors and Actuators, B. Chemical,2008(2):471-476. |
| [4] | Liang Su;Wenzhao Jia;Lichun Zhang .Facile Synthesis of a Platinum Nanoflower Monolayer on a Single-Walled Carbon Nanotube Membrane and Its Application in Glucose Detection[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2010(42):18121-18125. |
| [5] | Park S;Chung T D;Kim H C .Nonenzymatic glucose detection using mesoporous platinum[J].Analytical Chemistry,2003,75(13):3046. |
| [6] | Yan-Yan Song;Dai Zhang;Wei Gao;Xing-Hua Xia .Nonenzymatic Glucose Detection by Using a Three-Dimensionally Ordered,Macroporous Platinum Template[J].Chemistry: A European journal,2005(7):2177-2182. |
| [7] | Yuan JH;Wang K;Xia XH .Highly ordered platinum-nanotubule arrays for amperometric glucose sensing[J].Advanced functional materials,2005(5):803-809. |
| [8] | Sun YP;Buck H;Mallouk TE .Combinatorial discovery of alloy electrocatalysts for amperometric glucosesensors[J].Analytical chemistry,2001(7):1599-1604. |
| [9] | Hye-Kyoung Seo;Dae-Joon Park;Jae-Yeong Park .Fabrication and characterization of platinum black and mesoporous platinum electrodes for in-vivo and continuously monitoring electrochemical sensor applications[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2008(16):5227-5230. |
| [10] | Bai Y;Sun YY;Sun CQ .Pt-Pb nanowire array electrode for enzyme-free glucose detection[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,2008(4):579-585. |
| [11] | Jingpeng Wang;Dan F. Thomas;Aicheng Chen .Nonenzymatic Electrochemical Glucose Sensor Based on Nanoporous PtPb Networks[J].Analytical chemistry,2008(4):997-1004. |
| [12] | Baranski A S et al.High-frequency impedance spectroscopy of platinum ultramicroelectrodes in flowing solutions[J].Analytical Chemistry,1998,70(14):2895. |
| [13] | Wang MJ.;Wang LY.;Wang G.;Ji XH.;Bai YB.;Li TJ.;Gong SY.;Li JH. .Application of impedance spectroscopy for monitoring colloid Au-enhanced antibody immobilization and antibody-antigen reactions[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,2004(6):575-582. |
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