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Electrochemical hydrogen peroxide sensor based on carbon supported Cu@Pt core-shell nanoparticles. 2017
Wenjun Zhao, and
Jiayi Jin, and
Huimin Wu, and
Shengfu Wang, and
Chuanqi Fneg, and
Shuijin Yang, and
Yu Ding
Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials & Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Ministry of Education & College of Chemistry & Chemical Engineering, Hubei University, Wuhan 430062, PR China.
The Cu@Pt/C nanocomposites have been synthesized via two-step reduction method. Electrochemical observations showed that the Cu@Pt/C had better electrocatalytic activity for the reduction of hydrogen peroxide than Pt/C, with a wide linear range between 0.50μM and 32.56mM, a high sensitivity of 351.3μAmM-1cm-2, and a low detection limit of 0.15μM (signal/noise=3). Furthermore, the sensor based on Cu@Pt/C has potential applications due to its excellent long-time stability, good reproducibility and acceptable selectivity.
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