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Phosphorus-doped helical carbon nanofibers as enhanced sensing platform for electrochemical detection of carbendazim
Rongjing Cui1, Dong Xu2, Xiaohan Xie2
1Jiangsu Laboratory of Advanced Functional Materials, Department of Chemistry and Materials Engineering, Changshu Institute of Technology, Changshu 215500, China; Suzhou Key Laboratory of Food Quality and Safety, School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China.
Abstract:
A combined chemical vapor deposition with high-pressure annealing has been developed for the production of phosphorus-doped helical carbon nanofibers (P-HCNFs). The resulting P-HCNFs have a large specific surface area, well-defined three-dimensional hierarchical helical structure and rapid apparent heterogeneous electron transfer. Based on the high electrocatalytic activity, the P-HCNFs were used to develop an amperometric sensor for carbendazim detection. The experimental results demonstrated that the sensor is promising for the determination of carbendazim in food samples due to the high sensitivity, wide linear range and low detection limit.
