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

页码：7297 / 7300

页数：4

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