Non-Destructive Cleaning of Carbon Nanotube Surfaces: Removal of Organic Contaminants and Chemical Residue with Oxygen Radicals

Autor:	M P Petkov
Rok vydání:	2005
Předmět:	Materials science Fabrication Radical Inorganic chemistry chemistry.chemical_element Carbon nanotube Contamination Oxygen law.invention chemistry law Graphite Chemical residue Instrumentation Carbon
Zdroj:	Microscopy and Microanalysis. 11
ISSN:	1435-8115 1431-9276
DOI:	10.1017/s1431927605506561
Popis:	Oxygen radicals (ORs) are highly efficient for in situ cleaning of organic contaminants from the interior of vacuum systems and sample surfaces [1]. ORs decompose organics into gasses (H2O, CO, CO2), which are evacuated from the system. This phenomenon has been used to devise surface cleaning methods for a diverse range of materials. However, the application of OR cleaning to graphite and carbon nanotubes (CNTs) is not straightforward, as O plasma is known to ash both forms of carbon. This work [2] demonstrates a successful OR cleaning of surface organic contaminants (most likely hydrocarbons from the air), as well as chemical residue from the fabrication process, without inducing microstructural changes visible by SEM.
Databáze:	OpenAIRE
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