NDLI: Fabrication and integration of horizontally aligned carbon nanotube

Content Provider	IEEE Xplore Digital Library
Author	De Volder, M. Meshot, E. Tawfick, S. Hart, A.J.
Copyright Year	2013
Description	Author affiliation: Univ. of Michigan, Ann Arbor, MI, USA (Tawfick, S.; Hart, A.J.) \|\| Imec & KULeuven, Heverlee, Belgium (De Volder, M.; Meshot, E.)
Abstract	Carbon nanotubes (CNTs) are promising for microsystems applications, yet few techniques effectively enable integration of CNTs with precise control of placement and alignment of the CNTs at sufficiently high densities necessary for compelling mechanical or electrical performance. This paper explores new methods for scalable integration of dense, horizontally aligned (HA) CNTs with patterned electrodes. Our technique involves the synthesis of vertically aligned (VA) CNTs directly on a conductive underlayer and subsequent mechanical transformation into HA-CNTs, thus making electrical contact between two electrodes. We compare elasto-capillary folding and mechanical rolling as methods for transforming VA-CNTs, which lead to distinctly different HA-CNT morphologies and potentially impact material and device properties. As an example application of this novel CNT morphology, we investigate fabrication of electrically addressable $CNT-C_{60}$ hybrid thin films that we previously demonstrated as photodetectors. We synthesize these assemblies by crystallizing $C_{60}$ from dispersion on HA-CNT thin-film scaffoldings. HA-CNTs fabricated by rolling result in relatively low packing density, so $C_{60}$ crystals embed inside the HA-CNT matrix during synthesis. On the other hand, $C_{60}$ crystallization is restricted to near the surface of HA-CNT films made by the elasto-capillary process.
Starting Page	2407
Ending Page	2410
File Size	1355243
Page Count	4
File Format	PDF
ISBN	9781467359832
ISSN	21641641
DOI	10.1109/Transducers.2013.6627291
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Films Carbon nanotubes Crystallization Electrodes Fabrication MEMS Carbon nanotube C60 microsensor aligned nanotubes photodetector UV
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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