Direct observation of photoionization dynamics in solution phase induced by femtosecond two-photon excitation

被引：0

作者：

Koga, Masafumi ^{[1
]}

Yoneda, Yusuke ^{[1
]}

Sotome, Hikaru ^{[1
]}

Miyasaka, Hiroshi ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, 1-3 Machikaneyama, Toyonaka, Osaka, Japan

来源：

XXI INTERNATIONAL CONFERENCE ON ULTRAFAST PHENOMENA 2018 (UP 2018) | 2019年 / 205卷

关键词：

IONIZATION;

D O I：

10.1051/epjconf/201920509018

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：

In solution phase, the solute can be photo-ionized in the lower excitation energy than its ionization potential in gas phase. Therefore, the specific interaction is expected to be exist between the surrounding media and higher excited (S-n) state of the solute. In order to elucidate such polarization effect of solvent on the photoionization process, femtosecond double-pulse excitation was applied to direct detection of low-energy photoionization dynamics of a phenylenediamine derivative in solution phase. From the results of the transient absorption change, in polar solvent, it is clearly indicated that photoionization does not proceed directly from the Sn state, but through specific intermediate state. Moreover,

引用

页数：3

共 5 条

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