GROUND-STATE RECOVERY OF PHENOL BLUE IN FLUIDS NEAR THE GAS-LIQUID CRITICAL DENSITY

被引:5
|
作者
KIMURA, Y
HIROTA, N
机构
[1] Department of Chemistry, Faculty of Science, Kyoto University, Kyoto
关键词
D O I
10.1016/0167-7322(95)00836-1
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
We have made a sub-picosecond pump-probe transient absorption study on Phenol Blue at 308 K in trifluoromethane near the gas-liquid critical density and at the high density (about twice of the critical density) where small amount of 2,2,2-trifluoroethanol is added as co-solvent. The ground state hole created by the pump pulse is mostly broadened by about 1 ps, and we could not detect any meaningful density effect on this process.
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页码:425 / 428
页数:4
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