Nano Archive

Fabrication and Properties of Ag-nanoparticles Embedded Amorphous Carbon Nanowire/CNT Heterostructures

Chen, Ke-fan and Deng, Jian-hua and Zhao, Fei and Cheng, Guo-an and Zheng, Rui-ting (2010) Fabrication and Properties of Ag-nanoparticles Embedded Amorphous Carbon Nanowire/CNT Heterostructures. Nanoscale Research Letters, 5 (9). pp. 1449-1455.

[img]
Preview
PDF
601Kb

Abstract

Carbon nanotubes were subjected to doping with an energetic Ag ion beam, and the carbon nanotubes on the top of the array were transformed into amorphous carbon nanowires with embedded Ag-nanoparticles. The field emission characteristics of these nanowires were investigated. The minimum turn-on and threshold fields were 0.68 and 1.09 V/μm, respectively, which were lower than those of the as-grown carbon nanotubes. This was probably because Ag-nanoparticles embedded in the carbon nanowires reduced the effective work function from 4.59 to 4.23 eV. Large doping amounts produced serious structural damage at the top of the nanowires and impaired the field emission characteristics.

Item Type:Article
Uncontrolled Keywords:Carbon nanotube, Nanowire, Ion implantation, Field emission
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:9539
Deposited By:SPI
Deposited On:21 Oct 2010 09:30
Last Modified:21 Oct 2010 09:30

Repository Staff Only: item control page