kinetics of the reaction NO + O2 → BO2 + O

Llewellyn, Ian P.; Fontijn, Arthur; Clyne, Michael A. A.

doi:10.1016/0009-2614(81)80395-8

Cited by 27 publications

(5 citation statements)

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“…It extended a preliminary study reported earlier, in which only the spectrum of 11 BO was examined quantitatively [120]. The radicals were made in a 1 m long White-type absorption cell with 26 passes, following the method described by Clyne et al and Llewellyn et al [121,122]. Oxygen atoms were produced by partially titrating a flow of nitrogen atoms, generated in a 2.45 GHz microwave discharge in molecular nitrogen, with nitric oxide to just below the end point so that some nitrogen atoms remained in the gas flow.…”

Section: Molecular Spectroscopy Of the Bo Radicalmentioning

confidence: 78%

Application of mid-infrared tuneable diode laser absorption spectroscopy to plasma diagnostics: a review

Röpcke

Lombardi

Rousseau

et al. 2006

Plasma Sources Sci. Technol.

102

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Within the last decade mid-infrared absorption spectroscopy over a region from 3 to 17µm and based on tuneable lead salt diode lasers, often called tuneable diode laser absorption spectroscopy or TDLAS, has progressed considerably as a powerful diagnostic technique for in situ studies of the fundamental physics and chemistry in molecular plasmas. The increasing interest in processing plasmas containing hydrocarbons, fluorocarbons, organo-silicon and boron compounds has led to further applications of TDLAS because most of these compounds and their decomposition products are infrared active. TDLAS provides a means of determining the absolute concentrations of the ground states of stable and transient molecular species, which is of particular importance for the investigation of reaction kinetic phenomena. Information about gas temperature and population densities can also be derived from TDLAS measurements. A variety of free radicals and molecular ions have been detected by TDLAS. Since plasmas with molecular feed gases are used in many applications such as thin film deposition, semiconductor processing, surface activation and cleaning, and materials and waste treatment, this has stimulated the adaptation of infrared spectroscopic techniques to industrial requirements. The recent development of quantum cascade lasers (QCLs) offers an attractive new option for the monitoring and control of industrial plasma processes. The aim of the present paper is threefold: (i) to review recent achievements in our understanding of molecular phenomena in plasmas, (ii) to report on selected studies of the spectroscopic properties and kinetic behaviour of radicals and (iii) to describe the current status of advanced instrumentation for TDLAS in the mid-infrared.

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Section: Molecular Spectroscopy Of the Bo Radicalmentioning

confidence: 78%

Application of mid-infrared tuneable diode laser absorption spectroscopy to plasma diagnostics: a review

Röpcke

Lombardi

Rousseau

et al. 2006

Plasma Sources Sci. Technol.

102

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show abstract

“…One of the reasons for this is the highly refractory nature of boron, which poses experimental problems for producing significant vapour density of the element for reaction. However, both BO and BO 2 can be formed in the gas phase in discharges containing BCl 3 and oxygen under controlled conditions [8,9]. The present study reports on the fundamental bands of the 10 B and 11 B isotopomers of BO, detected in natural abundance in the O + BCl 3 reaction, using tunable diode laser absorption spectroscopy.…”

Section: Introductionmentioning

confidence: 94%

Diode laser spectroscopy of 10B16O and 11B16O boron monoxide (X)

Stancu

Röpcke

Davies

2004

Journal of Molecular Spectroscopy

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“…8.83 (0.05) 10.38 (-0.02) 10.47 (-0.01) 19 hu 5.84 (0.00) Ciso 6.91 (0.00) 27 hg 6.12 (0.28) 7.19 (0.28) 18 g" 6.16 (0.04) 7.24 (0.05) 18 g. 6.36 (0.20) 7.43 (0.19) 26 h" 5.54 (0.00) Cmo 6.52 (0.00) 34 hg 5.95 (0.41) 6.93 (0.41) 24 g, 6.04 (0.09) 7.03 (0.10) 14 t2g 6.56 (0.52) 7.55 (0.52)…”

Section: Ldf Basis Sets and Molecular Geometriesmentioning

confidence: 99%