CuS/Prussian blue core-shell nanohybrid as an electrochemical sensor for ascorbic acid detection

s An electrochemical sensor based on core-shell nanostructured copper sulfide@Prussian blue composites (CuS@PB) was investigated for ascorbic acid (AA) detection. CuS nanoparticles (NPs) were prepared by a hydrothermal method, then core-shell CuS@PB nanohybrid was fabricated through in situ synthesi...

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Bibliographic Details
Published in:Nanotechnology 2019-08, Vol.30 (32), p.325501-325501
Main Authors: Li, Lihuang, Zhang, Peng, Li, Ziyang, Li, Danyang, Han, Bin, Tu, Li, Li, Bo, Wang, Yange, Ren, Lei, Yang, Peiyan, Ke, Sunkui, Ye, Shefang, Shi, Wei
Format: Article
Language:English
Subjects:
amperometric
ascorbic acid
Ascorbic Acid - analysis
Beverages - analysis
Carbon - chemistry
Copper - chemistry
copper sulfide
electrochemical sensor
Electrochemical Techniques - methods
Electrodes
Ferrocyanides - chemistry
Limit of Detection
Nanostructures - chemistry
Prussian blue
Signal-To-Noise Ratio
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Summary:s An electrochemical sensor based on core-shell nanostructured copper sulfide@Prussian blue composites (CuS@PB) was investigated for ascorbic acid (AA) detection. CuS nanoparticles (NPs) were prepared by a hydrothermal method, then core-shell CuS@PB nanohybrid was fabricated through in situ synthesis of PB on CuS NPs. Taking advantage of their enhanced properties, a novel electrochemical AA sensor was developed by drop-coating of CuS@PB nanohybrid on glassy carbon electrode (GCE). As expected, electrochemical observations showed that CuS@PB/GCE presented higher electrocatalytic performance of AA than PB/GCE, with a wide linear range (5-3875 M, R = 0.9997), fast response time (
ISSN:0957-4484
1361-6528
DOI:10.1088/1361-6528/ab1613