Synthesis and Characterization of Photoswitchable Fluorescent SiO2 Nanoparticles
作者： Florian May , Michael Peter , Andreas Hütten , Luca Prodi , Jochen Mattay
关键词: Rhodamine B 、 Förster resonance energy transfer 、 Fluorophore 、 Photochemistry 、 Fluorescence spectroscopy 、 Fluorescence 、 Spiropyran 、 Fluorescence microscope 、 Rhodamine 、 Chemistry
摘要: Switchable fluorescent silica nanoparticles have been prepared by covalently incorporating a fluorophore and photochromic compound inside the particle core. The fluorescence can be switched reversibly between an on- off-state via energy transfer. particles were synthesized using different amounts of photoswitchable (spiropyran) (rhodamine B) in size distribution 98 140 nm characterized terms size, switching properties, efficiency TEM, UV\Vis spectroscopy.
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