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Energetics of reactions in a dielectric barrier discharge with argon carrier gas: VII anhydrides
Author(s) -
Mertens Jérémy,
Watson Sean,
Nisol Bernard,
Wertheimer Michael R.,
Reniers François
Publication year - 2019
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.201800186
Subject(s) - dielectric barrier discharge , monomer , argon , molecule , polymer , analytical chemistry (journal) , degree of unsaturation , dielectric , chemistry , oxygen , x ray photoelectron spectroscopy , activation energy , deposition (geology) , materials science , polymer chemistry , chemical engineering , organic chemistry , paleontology , optoelectronics , sediment , engineering , biology
The method developed for fundamental understanding of energetic exchanges between monomer molecules and argon carrier gas in a dielectric barrier discharge (DBD) has previously proven merit. In this seventh article related to this methodology, research has been extended to a new family of precursors: anhydrides . Monomers (typically ‰) were mixed with 10 slm of Ar in a 20 kHz, 8 kV (peak‐to‐peak) DBD corresponding to an energy per cycle of 1600 μJ for pure Ar. For each of the investigated monomers E m , the energy absorbed per molecule was plotted as a function of precursor flow rate. The influence of chemical structure (C/O ratio, unsaturation) has been investigated and compared with previous data for other types of precursors. Thin plasma polymer coatings were deposited; in addition to measuring deposition rates, we also present relationships between E m values, spectro‐ellipsometric and FTIR measurements.
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