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Title: Energy distributions of CO produced in an acetone-containing discharge
Authors: Li, P.
Fan, W.Y. 
Issue Date: 1-Jun-2004
Citation: Li, P., Fan, W.Y. (2004-06-01). Energy distributions of CO produced in an acetone-containing discharge. Chemical Physics Letters 390 (4-6) : 323-327. ScholarBank@NUS Repository.
Abstract: Tunable infrared diode laser absorption (TDLAS) and Fourier transform infrared absorption spectroscopies (FTIR) have been utilized to characterize the translational, rotational and vibrational distributions of CO in an acetone/argon DC plasma at total pressures ranging from 4 to 5 Torr and currents of 0.1-0.3 A. A broad vibrational distribution of CO was observed with gradually decreasing intensities from the fundamental band to v=12←11. When nitrogen was added to the plasma, the distribution is narrower, due to the efficient energy transfer between CO and N2 molecules. The measured translational temperature in such plasmas ranged from 400-550 K. The rotational distribution can generally be fitted to a Boltzmann distribution within each vibrational level although the rotational temperature is highest for the lowest vibrational quantum number. © 2004 Elsevier B.V. All rights reserved.
Source Title: Chemical Physics Letters
ISSN: 00092614
DOI: 10.1016/j.cplett.2004.04.018
Appears in Collections:Staff Publications

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