Cu3pt/Cu2o Nanorod Array Prepared By A Facile Method For Glucose Detection
APPLIED SURFACE SCIENCE(2020)
摘要
The combination of noble metal and transition metal oxide (TMO) can effectively expand their application in electrochemistry. However, rational design and convenient fabrication of the noble metal/TMO nanoarray is rarely reported. Here, Cu3Pt/Cu2O nanorod array was constructed on copper substrate by a convenient method and used as non-enzymatic glucose detector. In the nanorod, Moreover, the glycol ligand acted as a bridge for electron transfer from Cu2O at surface to Cu3Pt and the nanorod structure of Cu3Pt could serve as a highway for electron transfer, hence, when the Cu3Pt/Cu2O nanorod array was used as glucose detector, it delivered enhanced linear detection range (0.005-0.1 mM, 0.1-1.5 mM and 1.5-10 mM), high corresponding sensitivity (5082 mu A mM(-1) cm(-2) , 3331 mu A mM(-1) cm(-2) and 118 mu A mM(-1) cm(-2)), fast response time (< 6 s), low detection limit (1.759 mu M, S/N = 3) and high selectivity.
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关键词
Cu3Pt/Cu2O, Nanorod array, Electrochemical sensor, Glucose detector
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