کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7687121 | 1495847 | 2012 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Sensitive electrochemical detection of nitrobenzene based on macro-/meso-porous carbon materials modified glassy carbon electrode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Sensitive electrochemical detection of nitrobenzene based on macro-/meso-porous carbon materials modified glassy carbon electrode Sensitive electrochemical detection of nitrobenzene based on macro-/meso-porous carbon materials modified glassy carbon electrode](/preview/png/7687121.png)
چکیده انگلیسی
A sensitive electrochemical sensor for nitrobenzene (NB) detection has been developed based on macro-/meso-porous carbon materials (MMPCMs). MMPCMs were prepared by pyrolysis of the ionic-liquid ([AEIm]BF4) polymer (PIL) pre-wrapped onto SiO2 microspheres and then removal of the silica core. The morphology and structure of MMPCMs were characterized by scanning electron microscopy (SEM) and nitrogen adsorption/desorption measurements. Owing to the macro-/meso-porous structure, large specific surface area and accumulation effect of MMPCMs, the MMPCMs modified glassy carbon (MMPCMs/GC) electrode has high catalytic activity towards the reduction of NB. At the optimal pH value and accumulation time, the resulted electrochemical sensor shows satisfactory analytical performance for NB detection. The linear response range is from 0.2 μM to 40 μM and the detection limit is 8 nM based on the signal-to-noise ratio of 3. Moreover, the MMPCMs/GC electrode exhibits good stability and reproducibility, and acceptable selectivity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Talanta - Volume 88, 15 January 2012, Pages 696-700
Journal: Talanta - Volume 88, 15 January 2012, Pages 696-700
نویسندگان
Jiayue Ma, Yunsong Zhang, Xiaohua Zhang, Gangbing Zhu, Bo Liu, Jinhua Chen,