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BAIRUI TAO1,2,* , RUI MIAO2, HUI SHAO2, FENGJUAN MIAO2,*
A simple metal catalyzed solution method is used to prepare Ag nanodendrites on SiNW (silicon nanowire) arrays. The tip of the SiNWs is homogeneously decorated with Ag nanodendrites and the morphology can be easily controlled by the experimental conditions. The electrochemical performance of the Ag/SiNW array electrode is investigated. The response to H2O2 is remarkably enhanced due to the synergistic effects of the Ag nanodendrites and SiNWs. In a buffer solution, the sensor can detect H2O2 in a large linear range from 50 μM to 16.5 mM with high sensitivity (35.88 μA mM−1 cm−2 ) and low detection limit (2.8 μM) at a signal-to-noise ratio of 3. The sensor also exhibits long-term stability and good reproducibility. The hierarchical nanocomposite electrode is attractive to integrated electrochemical sensors.
Ag nanodendrites, Ag/SiNWs, Nonenzymatic sensor, Hydrogen peroxide.
BAIRUI TAO, RUI MIAO, HUI SHAO, FENGJUAN MIAO, Ag nanodendrites on silicon nanowire array for hydrogen peroxide sensing, Optoelectronics and Advanced Materials - Rapid Communications, 10, 11-12, November–December 2016, pp.945-949 (2016).
Submitted at: Oct. 11, 2014
Accepted at: Nov. 25, 2016
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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