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Nanoscale Res Lett. 2011 May 20;6(1):393. doi: 10.1186/1556-276X-6-393.

Materialization of single multicomposite nanowire: entrapment of ZnO nanoparticles in polyaniline nanowire.

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  • 1Department of Electrical and Computer Engineering, University of Pittsburgh, Benedum Hall 348, Pittsburgh, PA 15261, USA.


We present materialization of single multicomposite nanowire (SMNW)-entrapped ZnO nanoparticles (NPs) via an electrochemical growth method, which is a newly developed fabrication method to grow a single nanowire between a pair of pre-patterned electrodes. Entrapment of ZnO NPs was controlled via different conditions of SMNW fabrication such as an applied potential and mixture ratio of NPs and aniline solution. The controlled concentration of ZnO NP results in changes in the physical properties of the SMNWs, as shown in transmission electron microscopy images. Furthermore, the electrical conductivity and elasticity of SMNWs show improvement over those of pure polyaniline nanowire. The new nano-multicomposite material showed synergistic effects on mechanical and electrical properties, with logarithmical change and saturation increasing ZnO NP concentration.

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