Light-positive controlling conductive device based on macro long multi-wall carbon nano tube bundle
Title：
Light-positive controlling conductive device based on macro long multi-wall carbon nano tube bundle
Application Number：
 200410101815
Application Date：
 2004/12/24
Announcement Date：
 2005/07/20
Pub. Date：
Publication Number：
 1640810
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 B82B 1/00, H01L 31/08, G01J 1/00
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Wei Jinquan, Sun Jialin, Zhu Jialin
Key Words：
 Light-positive controlling, conductive device, macro long, multi-wall, carbon nano tube bundle
Abstract：
 The present invention relates to one kind of optoelectronic device. The positively light controlled electric conductive device based on macro length multiple-wall carbon nanotube beam consists of one multiple-wall carbon nanotube filament, two metal electrodes connected separately to two ends of the multiple-wall carbon nanotube filament and one quartz glass cover to enclose. During work, the metal electrodes are connected to external circuit and the carbon nanotube filament is irradiated with light beam. Experiment shows that the total device conductivity raises with increased light beam strength and lowers with decreased light beam strength, and the total device conductivity variance is always greater than or equal to zero whatever the incident light strength is. The present invention as one new kind of light controlled electric conductive device has responded light wavelength of 405-1064 nm and optoelectronic response time less than 5 sec.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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