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MAZÁNKOVÁ, V. TÖRÖKOVÁ, L. MORAVSKÝ, L. MATEJČÍK, Š. TRUNEC, D. NAVRÁTIL, Z. MASON, N.
Original Title
Analysis of the products of a negative corona discharge in a N2–CH4 mixture with added CO2 used as a laboratory mimic of a prebiotic atmosphere
Type
journal article in Web of Science
Language
English
Original Abstract
A negative corona discharge operating at atmospheric pressure has been used to initiate chemical reactions in a gaseous mixture of nitrogen, methane, and carbon dioxide. Such a mixture simulates the composition of the early Earth's atmosphere. This work extends our previous experimental studies of the chemistry of prebiotic atmospheres generated in an atmospheric-pressure glow discharge. The present work is devoted to the study of the role of CO2 in prebiotic atmospheric chemistry. The gas mixture was composed of nitrogen with 2-4% methane and 1% CO2. The corona discharge was characterized by electrical measurements and optical emission spectroscopy. The reaction products from the discharge were further analysed by Fourier transform infrared (FTIR) spectroscopy. The composition of solid products deposited on the electrode tip was obtained by energy dispersive X-ray (EDX) analysis. The specific input energy was altered during the experiments, and the concentration of all products was found to increase with its increase. It is further shown that while the addition of the CO2 admixture leads to the generation of CO and H2O, no other compounds containing oxygen were detected. The energy yields of products were calculated, and good agreement was found with the values obtained in previous experiments.
Keywords
FTIR spectroscopy, negative corona discharge, prebiotic atmosphere
Authors
MAZÁNKOVÁ, V.; TÖRÖKOVÁ, L.; MORAVSKÝ, L.; MATEJČÍK, Š.; TRUNEC, D.; NAVRÁTIL, Z.; MASON, N.
Released
26. 6. 2018
Publisher
WILEY-V C H VERLAG GMBH
Location
WEINHEIM, GERMANY
ISBN
1521-3986
Periodical
Contributions to Plasma Physics
Year of study
58
Number
10
State
Federal Republic of Germany
Pages from
995
Pages to
1004
Pages count
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/ctpp.201700089
BibTex
@article{BUT151797, author="Věra {Mazánková} and Lucie {Töröková} and Ladislav {Moravský} and Štefan {Matejčík} and David {Trunec} and Zdeněk {Navrátil} and Nigel {Mason}", title="Analysis of the products of a negative corona discharge in a N2–CH4 mixture with added CO2 used as a laboratory mimic of a prebiotic atmosphere", journal="Contributions to Plasma Physics", year="2018", volume="58", number="10", pages="995--1004", doi="10.1002/ctpp.201700089", issn="1521-3986", url="https://onlinelibrary.wiley.com/doi/full/10.1002/ctpp.201700089" }