Excited-state intramolecular proton transfer and stimulated emission from phototautomerizable polyquinoline film

被引:23
作者
Kim, S
Chang, DW
Park, SY
Jeoung, SC
Kim, D
机构
[1] Seoul Natl Univ, Sch Mat Sci & Engn, Kwanak Ku, Seoul 151744, South Korea
[2] Korea Res Inst Stand & Sci, Laser Metrol Grp, Taejon 305600, South Korea
[3] Yonsei Univ, Ctr Ultrafast Opt Characterist Control, Seoul 120749, South Korea
[4] Yonsei Univ, Dept Chem, Seoul 120749, South Korea
关键词
D O I
10.1021/ma020319z
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A phototautomerizable semirigid polyquinoline (PQDH) with extremely high excited-state intramolecular proton transfer (ESIPT) chromophore content was synthesized and identified. As a result, optical gain due to stimulated emission was observed by the femtosecond pump-probe measurement.
引用
收藏
页码:6064 / 6066
页数:3
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