Rationally designed two-photon absorption compounds based on benzoxazole derivatives: structure-property relationships and bio-imaging applications

被引：17

作者：

Ge, Xinping ^{[1
,2
]}

Gan, Xiaoping ^{[1
,2
,3
]}

Yao, Shun ^{[1
,2
]}

Wang, Kang ^{[1
,2
]}

Zhu, Weiju ^{[1
,2
]}

Yu, Jianhua ^{[1
,2
]}

Wu, Jieying ^{[1
,2
]}

Tian, Yupeng ^{[1
,2
]}

Zhou, Hongping ^{[1
,2
]}

机构：

[1] Anhui Univ, Coll Chem & Chem Engn, Hefei 230601, Peoples R China

[2] Key Lab Funct Inorgan Mat Chem Anhui Prov, Hefei 230601, Peoples R China

[3] Anhui Agr Univ, Dept Appl Chem, Sch Sci, Hefei 230036, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY B | 2016年 / 4卷 / 16期

基金：

中国国家自然科学基金;

关键词：

FREE ZINC IONS; ONE-PHOTON; FLUORESCENT-PROBES; COMPLEXES; MOLECULE; SYMMETRY; TISSUES; SINGLE; CELLS; DYES;

D O I：

10.1039/c6tb00201c

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

A new series of benzoxazole-based two-photon absorption (2PA) chromophores (T1-5) were synthesized and fully characterized. Among them, T1-3 are linear donor (D)-pi-acceptor (A) type fluorophores with various electron-donating groups, while T4 and T5 are multi-branched compounds stemming from T3. Their photophysical properties have been systematically investigated, and the two-photon absorption properties indicate that the highest 2PA cross-section (sigma(2PA)) is 2702 GM for T5 (in DMF). Structure-property relationships of the chromophores are comprehensively discussed based on their optical properties, crystal structures and density functional theory (DFT) calculations. In addition, a two-photon fluorescence cell imaging experiment demonstrates the potential bio-application of T1-5 with good photostability and low cytotoxicity.

引用

页码：2785 / 2793

页数：9

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