Simplified synthesis of N-doped carbon nanotube arrayed mesoporous carbon for electrochemical detection of amitrole

被引:11
|
作者
Zhou, Shenghai [1 ]
Xu, Hongbo [1 ]
Liu, Jinyu [1 ]
Wei, Yajun [1 ]
Ma, Xinhuan [1 ]
Han, Zhimin [1 ]
Chen, Hongli [1 ]
机构
[1] Hebei Normal Univ Nationalities, Coll Chem & Chem Engn, Chengde 067000, Peoples R China
关键词
N-doped CMK-5 carbon; Electrochemical determination; Amitrole; GOLD NANOPARTICLES; NANOPOROUS CARBON; POROUS CARBON; SULFUR; SENSOR;
D O I
10.1016/j.chemphys.2020.111074
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
N-doped carbon nanopipe-arrayed mesoporous carbon (N-CMK-5) with double-pore system, large surface area (992 m(2)/g), and high nitrogen amount (5.2 at.%) was synthesized by a simplified template route. In this route, mesoporous silica was directly used instead of using time-consuming aluminosilicate as a template and the carbonization process occurred in a nitrogen atmosphere instead of a vacuum. Furthermore, CMK-3, N-doped CMK-3, and CMK-5 ordered mesopomus carbons (OMCs) were compared with the as-prepared N-doped CMK-5 (N-CMK-5) to investigate the effect of microstructure on the electrochemical activity of OMCs. N-CMK-5 exhibited higher electrochemical activity than the other OMCs because it has more exposed defective sites and nitrogen active species. The developed N-CMK-5-based electrochemical sensor showed good practical application for the electrochemical detection of pesticide amitrole in real water sample. This work contributes a simplified route to synthesize tubular N-CMK-5 carbon and provides valuable information on the design of high-performance carbon electrode materials.
引用
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页数:8
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