Cited Article: Ghosh, S. Carbon nanotube flow sensors
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Title:
Piezopotential Gated Nanowire-Nanotube Hybrid Field-Effect Transistor
Authors:
Liu, WH; Lee, M; Ding, L; Liu, J; Wang, ZL
Author Full Names:
Liu, Weihua; Lee, Minbaek; Ding, Lei; Liu, Jie; Wang, Zhong Lin
Source:
NANO LETTERS 10 (8): 3084-3089 AUG 2010
Language:
English
Document Type:
Article
Author Keywords:
Piezotronic effect; piezopotential; field-effect transistor; carbon nanotube; ZnO nanowire
KeyWords Plus:
WALLED CARBON NANOTUBES; ZNO NANOWIRE; SINGLE; NANOGENERATORS; TRANSPORT; SENSORS; GROWTH; ARRAYS
Abstract:
We report the First piezoelectric potential gated hybrid held-effect transistors based on nanotubes and nanowires. The device consists of single-walled carbon nanotubes (SWNTs) on the bottom and crossed ZnO piezoelectric fine wire (PEW) on the top with an insulating layer between. Here, SWNTs serve as a carrier transport channel, and a single-crystal ZnO PFW acts as the power-free, contact-free gate or even an energy-harvesting component later on. The piezopotential created by an external force in the ZnO PFW is demonstrated to control the charge transport in the SWNT channel located underneath. The magnitude of the piezopotential in the PFW at a tensile strain of 0.05% is measured to be 0.4-0.6 V. The device is a unique coupling between the piezoelectric property of the ZnO PFW and the semiconductor performance of the SWNT with a full utilization of its mobility. The newly demonstrated device has potential applications as a strain sensor, force/pressure monitor, security tr!
igger, and analog-signal touch screen,
Reprint Address:
Wang, ZL, Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA.
Research Institution addresses:
[Liu, Weihua; Lee, Minbaek; Wang, Zhong Lin] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA; [Ding, Lei; Liu, Jie] Duke Univ, Dept Chem, Durham, NC 27708 USA; [Liu, Weihua] Xi An Jiao Tong Univ, Dept Microelect, Xian 710049, Shaanxi, Peoples R China
E-mail Address:
zhong.wang@mse.gatech.edu
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Cited Reference Count:
30
Times Cited:
0
Publisher:
AMER CHEMICAL SOC; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
Subject Category:
Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
ISSN:
1530-6984
DOI:
10.1021/nl1017145
IDS Number:
636JO
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