Photoreactivity of oxygen dimers in the ultraviolet

被引:30
作者
Brown, L [1 ]
Vaida, V [1 ]
机构
[1] UNIV COLORADO, DEPT CHEM & BIOCHEM, BOULDER, CO 80309 USA
关键词
D O I
10.1021/jp9526713
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
The photochemistry of the oxygen dimer was investigated using the technique of resonance-enhanced multiphoton ionization. Ozone and oxygen atoms were produced following photolysis of oxygen dimers at wavelengths between 251 and 266 nm, which are below the energy needed to break the O-2 bond at 242 nm. The production of ozone in the upper stratosphere following (O-2)(2) photolysis was evaluated, with less than or equal to 1% of the daily ozone at 40 km being produced from this mechanism.
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收藏
页码:7849 / 7853
页数:5
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