POLY(THIOPHENE-3-ACETIC ACID)-PALLADIUM NANOPARTICLE COMPOSITE MODIFIED ELECTRODES FOR SUPERSENSITIVE DETERMINATION OF HYDRAZINE

作     者：Ou Zhang Hong-mei Yu Li-min Lu Yang-ping Wen 段学民 徐景坤 

作者机构：School of Chemical EngineeringUniversity of Science and Technology Liaoning School of PharmacyJiangxi Science & Technology Normal University 

出 版 物：《Chinese Journal of Polymer Science》 (高分子科学（英文版）)

年 卷 期：2013年第31卷第3期

页      面：419-426页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 

基　　金：financially supported by the National Natural Science Foundation of China (Nos.50963002,51073074) Jiangxi Provincial Department of Education (Nos.GJJ11590,GJJ10678) 

主　　题：Sensor Hydrazine Nanocomposites Pd nanoparticles Conducting polymer. 

摘      要：A promising electrochemical sensor was fabricated by electrodeposition of Pd nanoparticles （PdNPs） on poly（thiophene-3-acetic acid） （PTAA）-modified glassy carbon electrode （GCE）, forming a PdNPs/PTAA composites-modified GCE （PdNPs/PTAA/GCE）. Scanning electron microscope （SEM） and electrochemical techniques were used for the characterization of these composites. It was found that the PdNPs/PTAA layer was very uniform. ]Electrochemical experiments showed that this proposed PdNPs/PTAA composites-modified electrode exhibited excellent electrocatalytic activity towards the oxidation of hydrazine. Under the optimum conditions, the proposed sensor can be applied to the quantification of hydrazine with a wide linear range from 8.0 × 10-9 mol/L to 1.0 × 10-5 mol/L with a low detection limit of 2.67 × 10-9 mol/L. The experiment results also showed that the sensor exhibited good reproducibility and long-term stability, as well as high selectivity with no interference from other potential competing species.