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A Simple and Sensitive Hydrazine Electrochemical Sensor Based on Platinum Nanoclusters

[ Vol. 11 , Issue. 4 ]

Author(s):

Zhou Yaoyu, Tang Lin, Xie Xia, Zeng Guangming, Gong Jilai, Huang Danlian, Zhang Yi, Yang Guide, Wang Jingjing and Zhang Chen   Pages 237 - 243 ( 7 )

Abstract:


In this paper, platinum nanoclusters (PtNCs) were synthesized by less sophisticated equipments with low cost and tedious procedures, and then applied to construct a simple electrochemical hydrazine sensor rapidly within the applied potential. PtNCs were proved to have advantages over platinum nanoparticles (PtNPs) in modifying glassy carbon electrode (GCE) for electrochemical and sensing applications. The sensor’s electrochemical activities toward several compounds (ascorbic acid, glucose, sodium nitrite, L–cysteine, citric acid, potassium chloride, hydroquinone, and bismuth nitrate) were investigated. Furthermore, hydrazine was used as a typical analyte to exhibit the sensing performance of PtNCs. It was found that PtNCs modified GCE presented two linear detection ranges and low detection limit for hydrazine detection.

Keywords:

Electrochemical sensor, hydrazine, platinum nanoclusters, platinum nanoparticle.

Affiliation:

Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, P.R. China.



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