http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42792
Spectral Signatures of Carbon Particulate Evolution in Methane Flames (Articolo in rivista)
- Type
- Label
- Spectral Signatures of Carbon Particulate Evolution in Methane Flames (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1080/00102200903466517 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Tregrossi, A; Ciajolo, A (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://dx.doi.org/10.1080/00102200903466517 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto di Ricerche sulla Combustione, CNR (literal)
- Titolo
- Spectral Signatures of Carbon Particulate Evolution in Methane Flames (literal)
- Abstract
- Optical parameters such as as the energy band gap (Eg), and the position of maximum
absorption were used to characterize the carbon particulate matter and its evolution along
the carbon formation region in methane-oxygen premixed flames. The energy band
gap using the Tauc optical band gap model, allowed for the identification of classes of
chromophores having different aromatic sizes. The Eg was shown to be correlated with the
molecular weight-size distribution and optical properties of batch-sampled particulate
separated by size exclusion chromatography and the measured values of the H/C ratio of
the particulate matter sampled along the flame. Some changes of the maximum position
at 210-240nm were detected along the flame indicating changes in the carbon internal
structure in terms of sp3/sp2 carbon hybridization. The particulate matter structure in terms
of both Eg and the maximum position showed to be affected by the flame temperature and
related to the hydrogen content of the particulate. (literal)
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