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Journal of Materials Science: Materials in Electronics

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01-06-2011

Gold/silicon nanocomposites: synthesis, characterization, and application in detection of dopamine

Authors: Hui-Juan Yu, Xin-Tian Li, Hong Fang, Qi-Yu Chen, Fan Jiang, Guang Shao

Published in: Journal of Materials Science: Materials in Electronics | Issue 6/2011

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Abstract

Silicon nanowires (SiNWs) with the length of several hundreds of micrometers and an average diameter of 15 nm were successfully synthesized via a thermal-evaporation oxide-assisted process. Then, a convenient method was applied to metallize the SiNWs just by dipping them into an aqueous deposition solution. During the metallization process, which is a redox reaction, gold nanoparticles (NPs) were prepared on SiNWs surface to confine the particle size and prevent agglomeration during the preparation and utilization of gold NPs. The synthesized SiNWs decorated with gold NPs were utilized to modify the glassy carbon electrode. Electrochemical measurements displayed that the modified electrode showed high sensitivity for dopamine (DA) detection.

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Title: Gold/silicon nanocomposites: synthesis, characterization, and application in detection of dopamine
Authors: Hui-Juan Yu
Xin-Tian Li
Hong Fang
Qi-Yu Chen
Fan Jiang
Guang Shao
Publication date: 01-06-2011
Publisher: Springer US
Published in: Journal of Materials Science: Materials in Electronics / Issue 6/2011
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI: https://doi.org/10.1007/s10854-010-0197-5

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