Abstract
Abstract With the development of nanomaterial-based nanodevices, it became inevitable to develop cost-effective and simple nanofabrication technologies enabling the formation of nanomaterial assembly in a controllable manner. Herein, we present suspended monolithic carbon single nanowires and nanomeshes bridging two bulk carbon posts, fabricated in a designed manner using two successive UV exposure steps and a single pyrolysis step. The pyrolysis step is accompanied with a significant volume reduction, resulting in the shrinkage of micro-sized photoresist structures into nanoscale carbon structures. Even with the significant elongation of the suspended carbon nanowire induced by the volume reduction of the bulk carbon posts, the resultant tensional stress along the nanowire is not significant but grows along the wire thickness; this tensional stress gradient and the bent supports of the bridge-like carbon nanowire enhance structural robustness and alleviate the stiction problem that suspended nanostructures frequently experience. The feasibility of the suspended carbon nanostructures as a sensor platform was demonstrated by testing its electrochemical behavior, conductivity-temperature relationship, and hydrogen gas sensing capability.
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Dates
Type | When |
---|---|
Created | 11 years, 9 months ago (Nov. 20, 2013, 12:43 p.m.) |
Deposited | 2 years, 5 months ago (March 20, 2023, 12:39 a.m.) |
Indexed | 2 weeks, 1 day ago (Aug. 6, 2025, 9:35 a.m.) |
Issued | 11 years, 9 months ago (Nov. 20, 2013) |
Published | 11 years, 9 months ago (Nov. 20, 2013) |
Published Online | 11 years, 9 months ago (Nov. 20, 2013) |
Published Print | 11 years, 8 months ago (Dec. 1, 2013) |
@article{Lim_2013, title={Monolithic carbon structures including suspended single nanowires and nanomeshes as a sensor platform}, volume={8}, ISSN={1556-276X}, url={http://dx.doi.org/10.1186/1556-276x-8-492}, DOI={10.1186/1556-276x-8-492}, number={1}, journal={Nanoscale Research Letters}, publisher={Springer Science and Business Media LLC}, author={Lim, Yeongjin and Heo, Jeong-Il and Madou, Marc and Shin, Heungjoo}, year={2013}, month=nov }