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Single-walled carbon nanotubes coated with ZnO by atomic layer deposition. | LitMetric

Single-walled carbon nanotubes coated with ZnO by atomic layer deposition.

Nanotechnology

Department of Applied Physics, Aalto University School of Science, PO Box 15100, FI-00076, Espoo, Finland. Department of Applied Physics, Indian School of Mines, Dhanbad-826004, India.

Published: December 2016

AI Article Synopsis

Article Abstract

The possibility of ZnO deposition on the surface of single-walled carbon nanotubes (SWCNTs) with the help of an atomic layer deposition (ALD) technique was successfully demonstrated. The utilization of pristine SWCNTs as a support resulted in a non-uniform deposition of ZnO in the form of nanoparticles. To achieve uniform ZnO coating, the SWCNTs first needed to be functionalized by treating the samples in a controlled ozone atmosphere. The uniformly ZnO coated SWCNTs were used to fabricate UV sensing devices. An UV irradiation of the ZnO coated samples turned them from hydrophobic to hydrophilic behaviour. Furthermore, thin films of the ZnO coated SWCNTs allowed us switch p-type field effect transistors made of pristine SWCNTs to have ambipolar characteristics.

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Source
http://dx.doi.org/10.1088/0957-4484/27/48/485709DOI Listing

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