Electrical and Electromechanical Characteristics of Nanoassembled Carbon Nanotube Thin Film Resistors on Flexible Substrates

Author

Xue, Wei ; Cui, Tianhong

Author_Institution

Univ. of Minnesota, Minneapolis

fYear

2007

fDate

10-14 June 2007

Firstpage

1047

Lastpage

1050

Abstract

We report the fabrication of single-walled carbon nanotube (SWNT) thin-film transistors on plastic substrates with layer-by-layer self-assembly. The resistance of the SWNT thin film decreases when the number of assembled SWNT layers increases. Increasing the substrate bending angle greatly decreases the resistance of the SWNT thin film. The resistance changes of thin films containing 14 and 16 SWNT layers are measured as 38.2% and 47.1%, which are more than 10 times higher than silicon. The observed "piezoresistive" phenomenon of the assembled SWNT thin films creates opportunities for highly sensitive sensors and electronic devices in many areas.

Keywords

carbon nanotubes; field effect transistors; nanobiotechnology; piezoresistive devices; thin film transistors; flexible substrates; layer-by-layer self-assembly; nanoassembled carbon nanotube thin film resistors; plastic substrates; thin-film transistors; Assembly; Carbon nanotubes; Electric resistance; Fabrication; Plastic films; Resistors; Self-assembly; Substrates; Thin film sensors; Thin film transistors; Single-walled carbon nanotube; flexible substrates; layer-by-layer self-assembly; thin film;

fLanguage

English

Publisher

ieee

Conference_Titel

Solid-State Sensors, Actuators and Microsystems Conference, 2007. TRANSDUCERS 2007. International

Conference_Location

Lyon

Print_ISBN

1-4244-0842-3

Electronic_ISBN

1-4244-0842-3

Type

conf

DOI

10.1109/SENSOR.2007.4300313

Filename

4300313