LASER-INDUCED PHOTO-DECOMPOSITION OF FORMALDEHYDE (A1A2) FROM ITS SINGLE VIBRONIC LEVELS - DETERMINATION OF THE QUANTUM YIELD OF H ATOM BY HNOSTAR (A1A'') CHEMI-LUMINESCENCE

被引:27
作者
TANG, KY [1 ]
FAIRCHILD, PW [1 ]
LEE, EKC [1 ]
机构
[1] UNIV CALIF IRVINE,DEPT CHEM,IRVINE,CA 92717
关键词
D O I
10.1021/j100468a003
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
Photodecomposition quantum yields for radical formation process from 11 single vibronic level in the Ã1A2 state of H2CO have been measured by monitoring the red HNO* chemiluminescence from the H + NO + M recombination. The quantum yield of H atom increases smoothly from ∼0.4 to 0.8 over ∼3000 cm-1 of excess vibrational energy. Experimental details of the laser induced HNO* chemiluminescence excitation spectroscopy are given. © 1979 American Chemical Society.
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页码:569 / 573
页数:5
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