Femtosecond laser-induced crystallization of 4-(dimethylamino)-N-methyl-4-stilbazolium tosylate

被引：56
作者：
Hosokawa, Y
Adachi, H
Yoshimura, M
Mori, Y
Sasaki, T
Masuhara, H
机构：
[1] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Dept Elect Engn, Suita, Osaka 5650871, Japan
[3] Osaka Univ, Ctr Adv Sci & Innovat, Venture Business Lab, Suita, Osaka 5650871, Japan
[4] Japan Sci & Technol Agcy, CREST Program, Kawaguchi, Saitama 3320032, Japan
来源：
CRYSTAL GROWTH & DESIGN | 2005年 / 5卷 / 03期
关键词：
D O I：
10.1021/cg049709y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A femtosecond laser pulse was irradiated to a supersaturated methanol solution of an organic molecule, 4-(dimethylamino)-N-methyl-4-stilbazolium tosylate (DAST), and its efficient crystallization was demonstrated under concentration and temperature conditions where spontaneous crystallization does not occur. The efficiency was higher than that using a nanosecond laser, and the nucleation depended on the laser repetition rate. The results suggest that the nucleation is trigged by cluster formation, which is ascribed to femtosecond laser irradiation effects, such as shock wave generation due to the ablation of the medium and an optical pressure due to the strong electric field.
引用
收藏
页码：861 / 863
页数：3
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