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Spectroscopic investigations of high-energy-density\nplasma transformations in a simulated early\nreducing atmosphere containing methane,\nnitrogen and water

SYSNO ASEP	0466743
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Spectroscopic investigations of high-energy-density plasma transformations in a simulated early reducing atmosphere containing methane, nitrogen and water
Author(s)	Civiš, Martin (UFCH-W) Ferus, Martin (UFCH-W)_{ORCID, RID} Knížek, Antonín (UFCH-W)_{ORCID, RID, SAI} Kubelík, Petr (UFCH-W)_{RID, ORCID} Kamas, Michal (UFCH-W) Španěl, Patrik (UFCH-W)_{RID, ORCID} Dryahina, Kseniya (UFCH-W)_{RID, ORCID} Shestivska, Violetta (UFCH-W)_{RID, ORCID} Juha, Libor (FZU-D)_{RID, ORCID, SAI} Skřehot, P. (CZ) Laitl, V. (CZ) Civiš, Svatopluk (UFCH-W)_{RID, ORCID, SAI}
Source Title	Physical Chemistry Chemical Physics. - : Royal Society of Chemistry - ISSN 1463-9076 Roč. 18, č. 39 (2016), s. 27317-27325
Number of pages	9 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	HIGH-POWER LASER ; INDUCED DIELECTRIC-BREAKDOWN ; EARTHS EARLY ATMOSPHERE
Subject RIV	CF - Physical ; Theoretical Chemistry
Subject RIV - cooperation	Institute of Physics - Plasma and Gas Discharge Physics
R&D Projects	GA14-12010S GA ČR - Czech Science Foundation (CSF)
	LG15013 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	LM2015083 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Institutional support	UFCH-W - RVO:61388955 ; FZU-D - RVO:68378271
UT WOS	000385177200035
EID SCOPUS	84991071192
DOI	10.1039/c6cp05025e
Annotation	Large-scale plasma was created in gas mixtures containing methane using high-power laser- induced dielectric breakdown (LIDB). The composition of the mixtures corresponded to a cometary and/or meteoritic impact into the early atmosphere of either Titan or Earth. A multiple-centimeter-sized fireball was created by focusing a single 100 J, 450 ps near-infrared laser pulse into the center of a 15 L gas cell. The excited reaction intermediates formed during the various stages of the LIDB plasma chemical evolution were investigated using optical emission spectroscopy (OES) with temporal resolution. The chemical consequences of laser- produced plasma generation in a CH4-N-2-H2O mixture were investigated using high resolution Fourier-transform infrared absorption spectroscopy ( FTIR) and gas selected ion flow tube spectrometry (SIFT). Several simple inorganic and organic compounds were identified in the reaction mixture exposed to ten laser sparks. Deuterated water ( D2O) in a gas mixture was used to separate several of the produced isotopomers of acetylene, which were then quantified using the FTIR technique.
Workplace	J. Heyrovsky Institute of Physical Chemistry
Contact	Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196
Year of Publishing	2017

Number of the records: 1