Dicyanostilbene-based two-photon thermo-solvatochromic fluorescence probes with large two-photon absorption cross sections: Detection of solvent polarities, viscosities, and temperature

被引：33

作者：

Huang, Chibao ^{[1
,2
]}

Peng, Xiao ^{[1
]}

Yi, Daosheng ^{[2
]}

Qu, Junle ^{[1
]}

Niu, Hanben ^{[1
]}

机构：

[1] Shenzhen Univ, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Coll Optoelect Engn, Shenzhen 518060, Peoples R China

[2] Shaoguan Univ, Dept Agr Engn, Yingdong Bioengn Coll, Shaoguan 512005, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 182卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Two-photon fluorescence solvatochromic sensor; Stilbene derivatives; Polarity; Viscosity; Temperature; TWIN-CYANO-STILBENE; PHOTOCHEMICAL-REACTIONS; ORGANIZED ASSEMBLIES; DEPENDENCE; DIPOLAR;

D O I：

10.1016/j.snb.2013.03.044

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The unusually sensitive solvatochromic probes (P1 and P2) derived from 4-methyl-2,5-dicyano-4'-amino stilbene (DCS) whose emission maxima and two-photon absorption cross sections (delta) vary from 445 and 452 nm, and 5560 and 6670 GM in cyclohexane to 641 and 604 nm, and 980 and 2040 GM in DMSO, respectively are described. P1 and P2 exhibit very strong polarity-, viscosity-, and temperature-dependence of fluorescence, and can be used to detect polarities, viscosities, and temperature. P1 and P2 possess small molecule-size, wide solvatochromism (445-641 nm, 452-641 nm), large delta (980-5560 GM, 2040-6670 GM), and high fluorescence quantum yields, and are ideal two-photon fluorescence solvatochromic probes. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：521 / 529

页数：9

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