青岛科技大学  English 
陈英杰
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教师拼音名称:chenyingjie

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毕业院校:中国科学院海洋研究所

学科:

材料学

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2018-10-09 我最喜爱的老师

2019-09-13 校级优秀班主任

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Hydrogen-assisted synthesis of Ni-ZIF-derived nickel nanoparticle chains coated with nitrogen-doped graphitic carbon layers as efficient electrocatalysts for non-enzymatic glucose detection

关键字:ORGANIC FRAMEWORK NANOSHEETS; PERFORMANCE; GRAPHENE; COMPOSITES; CATALYST; OXIDE

摘要:Chains of nickel nanoparticles coated with few nitrogen-doped graphitic carbon layers (Ni@NC) are synthesized by hydrogen-assisted pyrolysis of Ni-ZIF. Hydrogen and temperature can play key roles in the formation of oriented Ni @NC nanoparticle chains, and carbon shells can protect Ni nanoparticles from external oxidation and aggregations. Under the optimized potential (0.60 V vs. Ag/AgCl), the Ni@NC7H nanoparticle chains obtained at 700 degrees C under H-2/Ar atmosphere (Ni@NC7H) demonstrate outstanding performances, such as high sensitivity of 1.44 mA mM(-1) cm(-2) (RSD= 1.0%), low detection limit of 0.34 mu M (S/N = 3), broad linear range from 1 mu M to 1.81 mM, and excellent application potential in artificial sweat and human serum. Therefore, the findings above indicate that this study will provide a general methodology for the synthesis of chains-like core-shell nanoparticle electrocatalysts for non-enzymatic glucose detection.

卷号:189

期号:2

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