Nano Archive

Enhancing the photon- and gas-sensing properties of a single SnO2 nanowire based nanodevice by nanoparticle surface functionalization

Kuang, Qin and Lao, Chang-Shi and Li, Zhou and Liu, Yu-Zi and Xie, Zhao-Xiong and Zheng, Lan-Sun and Wang, Zhong Lin (2008) Enhancing the photon- and gas-sensing properties of a single SnO2 nanowire based nanodevice by nanoparticle surface functionalization. JOURNAL OF PHYSICAL CHEMISTRY C, 112 (30). pp. 11539-11544.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp802880c

Abstract

Field-effect transistors based on a single SnO2 nanowire were successfully fabricated, and their photon- and gas-sensing properties were investigated. It is found that the sensitivity of single SnO2 nanowire based devices was remarkably improved by surface functionalization with ZnO or NiO nanoparticles. The heterojunction between the surface coating layers and SnO2 and the corresponding coupling effect of the two sensing materials play a critical role in controlling device sensitivity.

Item Type:Article
Subjects:Material Science > Functional and hybrid materials
Physical Science > Nanoelectronics
Engineering > Nanotechnology applications in ICT
ID Code:1446
Deposited By:Farnush Anwar
Deposited On:12 Dec 2008 14:51
Last Modified:13 Jan 2009 16:00

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