Four asymmetric bis-branched triphenylamine derivatives with charge transfer from one branch to the other: Two-photon emissions and bio-imaging applications

被引：9

作者：

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

Ge, Xinping ^{[1
,2
]}

Zhai, Chengkai ^{[1
,2
]}

Zheng, Jun ^{[4
]}

Tang, Xuguang ^{[1
,2
]}

Yang, Yanchao ^{[1
,2
]}

Tian, Yupeng ^{[1
,2
]}

Zhang, Xuanjun ^{[5
]}

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, Sch Sci, Hefei 230036, Peoples R China

[4] Anhui Univ, Ctr Modern Expt Technol, Hefei 230601, Peoples R China

[5] Univ Macau, Fac Hlth Sci, Taipa, Macau, Peoples R China

来源：

DYES AND PIGMENTS | 2017年 / 138卷

基金：

中国国家自然科学基金;

关键词：

Triphenylamine derivatives; Bis-branch; Asymmetric; Two-photon emissions; Bio-imaging; FLUORESCENT-PROBES; ABSORPTION; CHROMOPHORES; ENHANCEMENT; PROPERTY; SYMMETRY; DESIGN; DYE;

D O I：

10.1016/j.dyepig.2016.11.019

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Four asymmetric bis-branched triphenylamine-cored compounds with different electron-withdrawing groups have been synthesized and their optical properties have been systematically investigated. The two-photon absorption cross-section (sigma(2PA))values were measured by two-photon excited fluorescence which revealed that the four compounds possessed large sigma(2pA) values from 2011 to 4173 GM in the near infrared region. Theoretical calculations revealed that the compounds were all provided with interesting intramolecular charge transfer generated from one branch to the other which contributed to the large sigma(2PA) values. Cytotoxicity tests indicated that all these compounds had good biocompatibility for living cells, both one- and two-photon fluorescence microscopy studies showed the potential application of the four new compounds in cell imaging due to the large sigma(2pA) and appropriate biocompatibility. (C) 2016 Published by Elsevier Ltd.

引用

页码：7 / 14

页数：8

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