Rational Design of Ag Nanocubes-Reduced Graphene Oxide Nanocomposites for High-performance Non-enzymatic H2O2 Sensing

doi:10.1007/s40242-017-7118-6

Chemical Research in Chinese Universities ›› 2017, Vol. 33 ›› Issue (6): 946-950.doi: 10.1007/s40242-017-7118-6

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Rational Design of Ag Nanocubes-Reduced Graphene Oxide Nanocomposites for High-performance Non-enzymatic H₂O₂ Sensing

JI Ye¹, HAN Tianyi¹, ZHANG Yong¹, WANG Ziying¹, ZHANG Tong¹, LENG Jiyan²

1. State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, P. R. China;
2. First Hospital of Jilin University, Changchun 130021, P. R. China

Received:2017-03-29 Revised:2017-07-12 Online:2017-12-01 Published:2017-09-26
Contact: ZHANG Tong,E-mail:zhangtong@jlu.edu.cn E-mail:zhangtong@jlu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(No.61673191).

Abstract

Abstract: Ag nanocubes-reduced graphene oxide(AgNCs-rGO) nanocomposite was successfully prepared by an in situ synthesis method, in which AgNCs were loaded onto the surface of rGO during the formation of AgNCs in an ethylene glycol solution. Characterization by X-ray diffraction, UV-Vis spectroscopy, and scanning electron microscopy indicated the successful preparation of the AgNCs-rGO nanocomposite. Most importantly, the AgNCs-rGO nanocomposite exhibited excellent electrocatalytic activity for the reduction of H₂O₂, leading to a high-performance non-enzymatic H₂O₂ sensor with a linear detection range and detection limit of approximately 0.1 mmol/L to 70 mmol/L(r=0.999) and 0.58 μmol/L, respectively. Our present work provides a new and highly efficient method for fabricating high-performance electrochemical sensors.

Key words: H₂O₂ sensor, Ag nanocube, Reduced graphene oxide

JI Ye, HAN Tianyi, ZHANG Yong, WANG Ziying, ZHANG Tong, LENG Jiyan. Rational Design of Ag Nanocubes-Reduced Graphene Oxide Nanocomposites for High-performance Non-enzymatic H₂O₂ Sensing[J]. Chemical Research in Chinese Universities, 2017, 33(6): 946-950.

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Rational Design of Ag Nanocubes-Reduced Graphene Oxide Nanocomposites for High-performance Non-enzymatic H₂O₂ Sensing

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