EFFICIENT MULTI-PHOTON IONIZATION OF METAL-CARBONYLS COOLED IN A PULSED SUPERSONIC BEAM

被引:137
作者
DUNCAN, MA [1 ]
DIETZ, TG [1 ]
SMALLEY, RE [1 ]
机构
[1] RICE UNIV,DEPT CHEM,HOUSTON,TX 77001
关键词
D O I
10.1016/0301-0104(79)85224-6
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
Laser excitation of Fe(CO)5, Cr(CO)6 and Mo(CO)6 in the region of the charge transfer bands around 2800 Å is found to produce Fe+, Cr+ and Mo+ with near unit efficiency in a laser flux as low as 108 W cm-2. The uncomplexed metal ion continues to dominate the photoion yield down to near threshold at a laser flux of 3 × 105 W cm-2. Excitation spectra of this photoion production indicate the absorption in this region is intrinsically diffuse. © 1979.
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页码:415 / 419
页数:5
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