AN INFRARED STUDY OF THE UV PHOTOLYSIS OF CHLORINE NITRATE TRAPPED IN VARIOUS MATRICES AT 11-K

被引:14
作者
DESAXCE, A [1 ]
SCHRIVER, L [1 ]
机构
[1] UNIV PARIS 06, PHYS MOLEC & APPLICAT LAB,CNRS,UPR 136,TOUR 13, BATIMENT 76, F-75252 PARIS 05, FRANCE
关键词
D O I
10.1016/0009-2614(92)85016-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Photolysis of matrix isolated chlorine nitrate in argon matrix assisted by reactive matrices (solid nitrogen and oxygen) at 11 K have been carried out by visible and ultraviolet light in the 800-250 nm range. The product identification and relative measurements of the species time evolution were made by Fourier transform infrared spectrometry. Below 300 nm, two main dissociation channels are evidenced leading to ClNO + O2 and ClONO + O, respectively. Recombination cage processes occur in matrices and the obtained results partially differ from gas-phase studies but give information on possible photoreactions in such condensed phase systems as polar stratospheric cloud surfaces.
引用
收藏
页码:596 / 604
页数:9
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