Hydrazine sensor based on silver nanoparticle-decorated polyaniline tungstophosphate nanocomposite for use in environmental remediation

被引：0
|
作者：
Mohammed M. Rahman
Anish Khan
Hadi M. Marwani
Abdullah M. Asiri
机构：
[1] King Abdulaziz University,Center of Excellence for Advanced Materials Research (CEAMR)
[2] King Abdulaziz University,Chemistry Department, Faculty of Science
来源：
Microchimica Acta | 2016年 / 183卷
关键词：
Tungstophosphate-PAni; Silver nanocomposite; Hydrazine; Conductive polymer; I-V method; Glassy carbon electrode; Field-emission scanning electron microscopy; Energy dispersive spectroscopy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A nanocomposite consisting of silver nanoparticle-decorated polyaniline and tungstophosphate was deposited on a glassy carbon electrode to result in an improved electrochemical sensor for dissolved hydrazine by the I-V (current–voltage) technique. The sensor, if operated at +0.5 V, has a fast response time (10 s), good sensitivity (~12.5 μA⋅mM−1⋅cm−2) and long-term stability. Response to hydrazine is linear in the 10 nM to 10 mM concentration range, and the detection limit is 2.8 nM at a signal-to-noise ratio of 3.
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收藏
页码：1787 / 1796
页数：9
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