Exceptionally Strong Multiphoton-Excited Blue Photoluminescence and Lasing from Ladder-Type Oligo(p-phenylene)s

被引：57
作者：
Fan, Hai Hua [2 ]
Guo, Lei [1 ]
Li, King Fai [2 ]
Wong, Man Shing [1 ,3 ]
Cheah, Kok Wai [2 ]
机构：
[1] Hong Kong Baptist Univ, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China
[3] Hong Kong Baptist Univ, Inst Mol Funct Mat, Hong Kong, Hong Kong, Peoples R China
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 17期
关键词：
OPTICAL-DATA STORAGE; 2-PHOTON ABSORPTION; 3-DIMENSIONAL MICROFABRICATION; FLUORESCENCE MICROSCOPY; PHOTODYNAMIC THERAPY; 3D MICROFABRICATION; LIMITING PROPERTIES; EXCITATION; POLYMERIZATION; INFORMATION;
D O I：
10.1021/ja302085q
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report the synthesis and investigation of multiphoton absorption properties of a novel series of diphenylamino-end-capped ladder-type oligo(pphenylene)s which exhibit greatly enhanced and efficient multiphoton (from two- to five-photon) upccinverted blue photoluminescence with which the record high intrinsic three-photon absorption cross-section of 4.56 x 10(-76) cm(6) s2 in the femtosecond regime has been obtained. Exceptionally efficient two- to five-photon-excited lasing in the blue region has also been demonstrated in which the highest two-photon-excited lasing efficiency of 0.34% has been achieved.
引用
收藏
页码：7297 / 7300
页数：4
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