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Fabrication of Uniform Au–Carbon Nanofiber by Two-Step Low Temperature Decomposition

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Author(s): Lee Myeongsoon | Hong Seong-Cheol | Kim Don

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 4;
Issue: 8;
Start page: 932;
Date: 2009;
Original page

Keywords: Au | Carbon | Nanoparticles | Nanofibers | AAO

ABSTRACT
Abstract This paper presents a facile and efficient way to prepare carbon nanofibers ornamented with Au nanoparticles (Au/CNFs). Gold nanoparticles were first deposited in the channels of an anodized aluminum oxide (AAO) membrane by thermal decomposition of HAuCl4and then carbon nanofibers were produced in the same channels loaded with the Au nanoparticles by decomposition of sucrose at 230 °C. An electron microscopy study revealed that the carbon nanofibers, ~10 nm thick and 6 μm long, were decorated with Au nanoparticles with a diameter of 10 nm. This synthetic route can produce uniform Au nanoparticles on CNF surfaces without using any additional chemicals to modify the AAO channels or the CNF surfaces.

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