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

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• 作者：Mohammed M. Rahman ; Anish Khan ; Hadi M. Marwani ; Abdullah M. Asiri
• 刊名：Microchimica Acta
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：183
• 期：5
• 页码：1787-1796
• 全文大小：862 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Analytical Chemistry
  Inorganic Chemistry
  Physical Chemistry
  Characterization and Evaluation Materials
  Monitoring, Environmental Analysis and Environmental Ecotoxicology
  
• 出版者：Springer Wien
• ISSN：1436-5073
• 卷排序：183

文摘

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.