Optical Properties and Responsive Mechanism of Carbazole-Based Two-Photon Fluorescent Probes for the Detection of Hypochlorite

被引：2
|
作者：
Wang Xin [1 ]
Zhang Yu-Jin [1 ]
Wang Chuan-Kui [1 ]
机构：
[1] Shandong Normal Univ, Sch Phys & Elect, Jinan 250014, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2016年 / 32卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Fluorescent probe; Two-photon absorption; CIO-; C=N isomerization; PHOTOPHYSICAL PROPERTIES; C=N ISOMERIZATION; MITOCHONDRIA; CHEMOSENSOR; ACID;
D O I：
10.3866/PKU.WHXB201609301
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The one- and two-photon absorption and emission properties of the two newly synthesized watersoluble two-photon fluorescent probes (HCH and HCM) for the detection of CIO- were investigated using time dependent density functional theory in combination with response theory. Dramatic changes in the photophysical properties of the molecules following reaction with CIO- were predicted. The photoabsorption and photoemission peaks for both compounds were clearly blue shifted, while the emission intensities were enhanced. Both probes were also found to have large two-photon cross sections. Importantly, in the presence of CIO- the two-photon cross section of the molecules increased significantly, which indicated that both HCH and HCM should be good two-photon fluorescent probes for sensing CIO-. The responsive mechanism of the probes was explored by analyzing the molecular Mulliken charge population, which was attributed to C=N isomerization.
引用
收藏
页码：2913 / 2920
页数：8
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