Synthesis of star-shaped monodisperse oligo(9,9-di-n-octylfluorene-2,7-vinylene)s functionalized truxenes with two-photon absorption properties

被引：35

作者：

Zhou, Huipeng ^{[1
]}

Zhao, Xin ^{[1
]}

Huang, Tianhao ^{[2
]}

Lu, Ran ^{[1
]}

Zhang, Hanzhuang ^{[2
]}

Qi, Xiaohui ^{[2
]}

Xue, Pengchong ^{[1
]}

Liu, Xingliang ^{[1
]}

Zhang, Xiaofei ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China

[2] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China

来源：

ORGANIC & BIOMOLECULAR CHEMISTRY | 2011年 / 9卷 / 05期

基金：

中国国家自然科学基金;

关键词：

PI-CONJUGATED DENDRIMERS; LIGHT-EMITTING MATERIALS; OPTICAL-PROPERTIES; PHOTOPHYSICAL PROPERTIES; CROSS-SECTIONS; FLUORESCENCE; DERIVATIVES; PORPHYRINS; OLIGOMERS; ARMS;

D O I：

10.1039/c0ob00803f

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of new star-shaped monodisperse conjugated truxene derivatives bearing oligo(fluorene-vinylene) arms (Tr-OFVn, n = 1, 2, 3, 4) have been synthesized. It is found that the conjugation of the oligomers can be extended with prolonging the arms. Notably, the branched oligomers Tr-OFVn without strong donor and acceptor units exhibit two-photon absorption properties, and the two-photon absorption cross sections (delta(max)) increase with increasing the number of fluorene-vinylene units in the arms. The maximum value of delta(max) reaches 8073 GM for compound Tr-OFV4, which made it one of the most competitive compounds with enhanced TPA cross section. It provides a new platform for exploiting strong TPA compounds, in which the extended pi-conjugated systems are involved in the absence of strong donor and acceptor units.

引用

页码：1600 / 1607

页数：8

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