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Published in:
01-01-2015
A combination of “top-down” and “bottom-up” approaches in the fabrication of “nano bridges”
Published in: Journal of Materials Science: Materials in Electronics | Issue 1/2015
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Abstract
We describe a two step vertical growth of silicon nanowires (SiNWs) and the lateral growth of a bridging network of carbon nanotubes (CNTs) across the SiNWs. SiNWs were formed by an electro-less chemical bath deposition technique using silver nano particles as a virtual mask. Subsequently, the silver nano particles present on the side walls of SiNWs were used as a catalyst in the growth of CNTs by atmospheric chemical vapor deposition technique, forming “nano bridges”. A reduced reflectance of 65 % for the “nano bridge” samples compared to the SiNW samples was obtained suggesting a potential use in anti-reflection coatings.