期刊
出版社
ELSEVIER
DOI: 10.1016/j.msec.2019.110120
关键词
Copper sulfides; Core-shell; Glucose detection; Electrochemical; Synergistic
资金
- National Natural Science Foundation of China [51604253]
Glucose detection is of great importance for the medical diagnosis, food biotechnology and pharmaceutical analysis. In this study, we synthesized a core-shell CuS-Cu2S decorated carbon nanotube-graphene nano-composite via a facile hydrothermal method. It exhibits great sensing performance towards glucose with wide linear range ranging from 0.001 to 2 mM, ultra-sensitivity of 1923 mu A.cm(-2).mM(-1) and 0.33 mu M detection limit in alkaline solutions. The excellent electrocatalytic activity originates from the synergistic effect between heterogeneous copper sulfides structures and carbon nanomaterials. Besides, the fabricate sensor also has great durability, selectivity and great potential for practical applications.
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