PROCESS FOR THE SIMULTANEOUS AND SELECTIVE PREPARATION OF SINGLE-WALLED AND MULTI-WALLED CARBON NANOTUBES

PROCESS FOR THE SIMULTANEOUS AND SELECTIVE PREPARATION OF SINGLE-WALLED AND MULTI-WALLED CARBON NANOTUBES

The present invention provides a process for the simultaneous and selective growth of single walled and multiwalled carbon nanotubes using electric arc discharge technique. According to present development it is possible to synthesise and collect catalyst free carbon nanotubes from cathode deposit....

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Hauptverfasser: GUPTA ANIL KUMAR, DHAMI TERSEM LAL, MATHUR RAKESH BEHARI, SINGH BHANU PRATAP, NIL CHHOTEY LAL, GHAWANA JAGDISH
Format: Patent
Sprache:eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator GUPTA ANIL KUMAR
DHAMI TERSEM LAL
MATHUR RAKESH BEHARI
SINGH BHANU PRATAP
NIL CHHOTEY LAL
GHAWANA JAGDISH
description The present invention provides a process for the simultaneous and selective growth of single walled and multiwalled carbon nanotubes using electric arc discharge technique. According to present development it is possible to synthesise and collect catalyst free carbon nanotubes from cathode deposit. A mechanism of cooling coil arrangement was designed and used inside the arc discharge chamber so as to be capable to grow sufficient amount of single walled carbon nanotubes in the form of webs surrounding the coil. The present invention offers a scalable way for producing both SWNTs and MWNTs in the single run.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title PROCESS FOR THE SIMULTANEOUS AND SELECTIVE PREPARATION OF SINGLE-WALLED AND MULTI-WALLED CARBON NANOTUBES
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