http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42699
Structure-property relationship in nanostructures of young and mature soot in premixed flames (Articolo in rivista)
- Type
- Label
- Structure-property relationship in nanostructures of young and mature soot in premixed flames (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.proci.2008.06.193 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Alfè M.; Apicella B.; Barbella R.; Rouzaud J-N; Tregrossi A.; Ciajolo A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto di Ricerche sulla Combustione - CNR, P.le V. Tecchio, 80, 80125 Napoli, Italy
Laboratoire de Ge´ologie, Ecole Normale Supe´ rieure, 24 Rue Lhomond, 75231 Paris Cedex 05, France (literal)
- Titolo
- Structure-property relationship in nanostructures of young and mature soot in premixed flames (literal)
- Abstract
- A structural description of young and mature soot sampled from methane, ethylene, cyclohexane and
benzene premixed flames, burning in fuel-rich conditions, was performed by means of high-resolution
transmission electron microscopy (HRTEM). HRTEM image analysis was carried out to achieve semiquantitative
information about the soot organization. Different nanostructures were found to develop in
the soot, depending on the fuel and on soot aging.
The soot characteristics were also investigated by elemental analysis, oxidative thermogravimetry and
UV-Vis spectroscopy.
Soot nanostructure in terms of the length of the graphitic layers, the size of the coherent domains made
of stacked layers was related in some way with UV-Vis spectroscopic characteristics, H/C molar ratio, and
oxidation reactivity. This demonstrated that there is a structure-property relationship between soot nanostructure
and bulk properties.
The different spectral features and chemical properties of soot in dependence on the fuel nature and on
aging resulted to be related to a different internal structure of primary particles which in turn derives from a
different soot inception mechanism occurring in flames more or less rich in aromatic precursors. (literal)
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