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Nonenzymatic Hydrogen Peroxide Electrochemical Sensor Based on Au‐HS/SO 3 H‐PMO (Et) Nanocomposite
Author(s) -
Jia Feifei,
Zhong Hui,
Zhu Fengxia,
Li Xiaorong,
Wang Yinzhu,
Cheng Zhipeng,
Zhang Lili,
Sheng Zhenhuan,
Guo Liping
Publication year - 2014
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201400318
Subject(s) - nanocomposite , hydrogen peroxide , electrochemistry , detection limit , electrochemical gas sensor , electrode , linear range , materials science , chemistry , inorganic chemistry , nuclear chemistry , nanotechnology , organic chemistry , chromatography
A newly nonenzymatic sensor for hydrogen peroxide (H 2 O 2 ) based on the (Au‐HS/SO 3 H‐PMO (Et)) nanocomposite is demonstrated. The electrochemical properties of the as‐prepared nanocomposite were studied. It displayed an excellent performance towards H 2 O 2 sensing in the linear response range from 0.20 µM to 4.30 mM ( R =0.9999) with a sensitivity of 6.35×10 2 µA µM −1 cm −2 and a low detection limit of 0.0499 µM. Furthermore, it was not affected by electroactive interference species. These features proved that the modified electrode was suitable for determination of H 2 O 2 .
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