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The vibrational quenching of NO (v = 1 – 11) by N2O studied by time-resolved Fourier transform infrared emission spectroscopy

✍ Scribed by Xuebin Wang; Hongzhi Li; Quan Ju; Qihe Zhu; Fanao Kong

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 414 KB
Volume: 208
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)89077-u

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✦ Synopsis

The vibrational quenching of NO (u= I-11) by N20 in gas phase was studied by means of the time-resolved Fourier transform infrared emission spectroscopy. NO(v) was formed from the reaction of NsO and O( 'D) which was generated by laser photolysis of NsO at 193 nm. Twenty IR spectra of nx 30 ps delay were recorded for the time evolution of the vibrational population of NO( u= l-l 1). The quenching rate constants k. were obtained. Using SSH theory to analyze the values of k, it was found that they fitted the mechanism of two relaxation processes transferring the energy to v, and u, + pz modes of N,O.

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