An Arc Discharge by Closely Situated Electrodes for Synthesis of Nanostructures

Abstract:

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Geometry of electrodes, distance between them, work atmosphere and ambient temperature are the important factors, which determine quantity and variety of structures synthesized via arc discharge. Usually, electrodes of different cross-section are placed away from each other, allowing a large vapor stream directed into the reactor inside to be obtained. Generally, the anode is thinner than the cathode; it heats up to a high temperature, sublimates and supplies the carbon vapor required for nanoparticle synthesis. In contrast to this commonly used approach, when electrode dimensions are appropriately chosen and electrodes placed closely together, temperature interaction between them becomes considerable, discharge area constrains and hot electrodes can be used as heaters for the evaporation of materials of high melting point.

Info:

Periodical:

Solid State Phenomena (Volume 159)

Edited by:

Lilyana Kolakieva and Roumen Kakanakov

Pages:

181-184

DOI:

10.4028/www.scientific.net/SSP.159.181

Citation:

N. Koprinarov et al., "An Arc Discharge by Closely Situated Electrodes for Synthesis of Nanostructures", Solid State Phenomena, Vol. 159, pp. 181-184, 2010

Online since:

January 2010

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