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@proceedings{2359597,
author = {Jašek, Ondřej and Jurmanová, Jana and Všianský, Dalibor and Nejezchleba, David and Navrátil, Zdeněk},
keywords = {N-graphene; microwave plasma; instability},
language = {eng},
title = {Influence of plasma instability on gas-phase synthesis of N-graphene in dual-channel microwave plasma torch at atmospheric pressure},
url = {https://www.icpig2023.com/home/wiki/942754/book-of-abstracts},
year = {2023}
}
TY - CONF
ID - 2359597
AU - Jašek, Ondřej - Jurmanová, Jana - Všianský, Dalibor - Nejezchleba, David - Navrátil, Zdeněk
PY - 2023
TI - Influence of plasma instability on gas-phase synthesis of N-graphene in dual-channel microwave plasma torch at atmospheric pressure
KW - N-graphene
KW - microwave plasma
KW - instability
UR - https://www.icpig2023.com/home/wiki/942754/book-of-abstracts
N2 - The influence of plasma instability of on the gas-phase synthesis of nitrogen-doped graphene (N-graphene) was investigated using dual-channel microwave plasma torch at atmospheric pressure. Plasma plume instability was controlled by delivered microwave power and the interplay of Ar central channel flow rate and gas flow rates of precursors (C2H2 and N2) delivered into electrode’s secondary channel. The lateral size of N-graphene nanosheets increased and the number of defects in its structure decrease with delivered microwave power, however, concentration of nitrogen in the N-graphene structure decreased as well and was strongly depended on stability of plasma plume. Plasma was monitored by optical emission (OES) and Fourier transform infrared spectroscopy (FTIR). Graphene was analyzed by scanning electron microscopy (SEM), Raman, and X-ray photoelectron electron spectroscopy (XPS) and thermogravimetry (TGA).
ER -
JAŠEK, Ondřej, Jana JURMANOVÁ, Dalibor VŠIANSKÝ, David NEJEZCHLEBA a Zdeněk NAVRÁTIL. \textit{Influence of plasma instability on gas-phase synthesis of N-graphene in dual-channel microwave plasma torch at atmospheric pressure}. 2023.
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