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Sensors 2017, 17(12), 2896; https://doi.org/10.3390/s17122896

The Facile Synthesis of Branch-Trunk Ag Hierarchical Nanostructures and Their Applications for High-Performance H2O2 Electrochemical Sensors

1
Department of City and Environmental Sciences, College of Science and Technology of Dongguan of City College, Dongguan 523419, China
2
Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
*
Author to whom correspondence should be addressed.
Received: 5 November 2017 / Revised: 27 November 2017 / Accepted: 5 December 2017 / Published: 13 December 2017
(This article belongs to the Special Issue Novel Approaches to Biosensing with Nanoparticles)
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Abstract

A novel branch-trunk Ag hierarchical nanostructure was synthesized via a galvanic replacement reaction combined with microwave-assisted synthesis using Te nanowire as a sacrificial template. The Te nanowire was synthesized via a hydrothermal process. We further investigated the potential application of the obtained hierarchical nanostructures in electrochemical sensor analysis. The results showed that the as-prepared sensor exhibited a wide linear range with 0.05 µM to 1.925 mM (R = 0.998) and the detection limit was estimated to be 0.013 µM (S/N = 3). These results indicate the branch-truck Ag hierarchical nanostructures are an excellent candidate material for sensing applications. View Full-Text
Keywords: branch-truck Ag; hierarchical nanostructure; H2O2; electrochemical sensor branch-truck Ag; hierarchical nanostructure; H2O2; electrochemical sensor
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Zhang, Y.; Chen, M.; Cai, Z.; Zhang, M.; Liu, P.; Cheng, F. The Facile Synthesis of Branch-Trunk Ag Hierarchical Nanostructures and Their Applications for High-Performance H2O2 Electrochemical Sensors. Sensors 2017, 17, 2896.

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