Novel NO2− Sensor Using PW12O403−/Chitosan-Graphene Nanocomposites/Cysteamine/Gold Electrode
作者： Xia Li , Changting Wei , Yonghai Song , Haozhi Zhu , Shouhui Chen
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摘要: Abstract A novel nitrite (NO2−) sensor was fabricated by electrodepositing phosphotungstic acid (PW12O403−) on chitosan (CHIT)-graphene nanocomposites modified cysteamine/gold (Au) electrode. Fourier transform infrared spectroscopy, Raman X-ray powder diffraction, photoelectron scanning electron microscopy, and atomic force microscopy were used to study the CHIT-graphene PW12O403−/CHIT-graphene/cysteamine/Au Cyclic voltammograms chronoamperometric evaluate electrochemical electrocatalytic properties of Electrochemical results showed that electrode exhibited good behaviors performance toward reduction NO2−. Electrocatalytic can be ascribed large specific surface area conductivity activity PW12O4...
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