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C59N Peapods Sensing the Temperature
State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Changping District, Beijing 102249, China
Department of Electronic Engineering, Tohoku University, Sendai 980-8579, Japan
* Authors to whom correspondence should be addressed.
Received: 29 November 2012; in revised form: 5 January 2013 / Accepted: 14 January 2013 / Published: 15 January 2013
Abstract: We report the novel photoresponse of nanodevices made from azafullerene (C59N)-encapsulated single-walled carbon nanotubes (C59N@SWNTs), so called peapods. The photoconducting properties of a C59N@SWNT are measured over a temperature range of 10 to 300 K under a field-effect transistor configuration. It is found that the photosensitivity of C59N@SWNTs depends very sensitively on the temperature, making them an attractive candidate as a component of nanothermometers covering a wide temperature range. Our results indicate that it is possible to read the temperature by monitoring the optoelectronics signal of C59N@SWNTs. In particular, sensing low temperatures would become more convenient and easy by giving a simple light pulse.
Keywords: azafullerenes; carbon nanotubes; encapsulation; photoresponse
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Cite This Article
MDPI and ACS Style
Li, Y.; Kaneko, T.; Hatakeyama, R. C59N Peapods Sensing the Temperature. Sensors 2013, 13, 966-974.
Li Y, Kaneko T, Hatakeyama R. C59N Peapods Sensing the Temperature. Sensors. 2013; 13(1):966-974.
Li, Yongfeng; Kaneko, Toshiro; Hatakeyama, Rikizo. 2013. "C59N Peapods Sensing the Temperature." Sensors 13, no. 1: 966-974.