Authors

D. Bera; E. Brinley; S. C. Kuiry; M. McCutchen; S. Seal; H. Heinrich;B. Kabes

Comments

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Abbreviated Journal Title

Rev. Sci. Instrum.

Keywords

IN-SITU SYNTHESIS; ELECTRIC-ARC; WATER; FULLERENES; ONIONS; Instruments & Instrumentation; Physics, Applied

Abstract

The method of arc discharge in the solution is unique and inexpensive route for synthesis of the carbon nanotubes (CNTs), carbon onions, and other carbon nanostructures. Such a method can be used for in situ synthesis of CNTs decorated with nanoparticles. Herein, we report a simple and inexpensive optoelectronically automated system for arc discharge in solution synthesis of CNTs. The optoelectronic system maintains a constant gap between the two electrodes allowing a continuous synthesis of the carbon nanostructures. The system operates in a feedback loop consisting of an electrode-gap detector and an analog electronic unit, as controller. This computerized feeding system of the anode was used for in situ nanoparticles incorporated CNTs. For example, we have successfully decorated CNTs with ceria, silica, and palladium nanoparticles. Characterizations of nanostructures are performed using high-resolution transmission electron microscopy, scanning transmission electron microscopy, energy dispersive spectroscopy, and scanning electron microscopy.

Journal Title

Review of Scientific Instruments

Volume

76

Issue/Number

3

Publication Date

1-1-2005

Document Type

Article

Language

English

First Page

6

WOS Identifier

WOS:000227530200026

ISSN

0034-6748

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