Preparation, Photophysical, Electrochemical, and Sensing Properties of Luminescent Tetrazine-Doped Silica Nanoparticles

被引：40
|
作者：
Malinge, Jeremy [1 ]
Allain, Clemence [1 ]
Galmiche, Laurent [1 ]
Miomandre, Fabien [1 ]
Audebert, Pierre [1 ]
机构：
[1] CNRS, PPSM, ENS Cachan, UMR8531, F-94230 Cachan, France
来源：
CHEMISTRY OF MATERIALS | 2011年 / 23卷 / 20期
关键词：
fluorescence; silica nanoparticles; tetrazines; electrochemistry; fluorescent sensor; FLUORESCENT; MONODISPERSE; NANOSENSORS; DYE;
D O I：
10.1021/cm202223w
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：
Luminescent hybrid silica nanoparticles grafted with tetrazines fluorophores have been synthesized and characterized, and their photophysical and electrochemical properties have been studied in acetonitrile solutions. The photophysical behavior of the functionalized nanoparticles shows a bright fluorescence emission, with emission and excitation bands typical of chloroalkoxytetrazines fluorophores, albeit with some degree of quenching because of interchromophoric interactions. Their fluorescence emission properties have been studied in the presence of various low molecular weight amines. Extinction of the fluorescence of the nanoparticles because of photoinduced electron transfer between the photoexcited tetrazine and the amine is observed, making these functionalized nanoparticles potentially useful for amine sensing.
引用
收藏
页码：4599 / 4605
页数：7
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