The formation of C60 and its precursors in naphthalene flames

Autor:	K.-H. Homann, M. Bachmann, J. Griesheimer
Rok vydání:	1994
Předmět:	chemistry.chemical_classification Fullerene Radical Condensation Analytical chemistry General Physics and Astronomy Photochemistry Mass spectrometry Ion chemistry.chemical_compound Hydrocarbon chemistry Mass spectrum Physics::Chemical Physics Physical and Theoretical Chemistry Naphthalene
Zdroj:	Chemical Physics Letters. 223:506-510
ISSN:	0009-2614
DOI:	10.1016/0009-2614(94)00490-0
Popis:	Premixed flat low-pressure naphthalene flames were studied by means of two techniques. A scavenging/condensation method allowed the analysis of hydrocarbon radicals and neutral species within a mass range up to 300 u. By use of a time-of-flight mass spectrometer large positive and negative ions were analyzed. Hydrogenated fullerenes detected in the form of their negative ions are direct precursors of the fullerenes. They are formed in the early part of the oxidation zone where polycyclic aromatic hydrocarbons of lower mass prevail.
Databáze:	OpenAIRE
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