We herein present pioneering studies to reveal that excitation-wavelength-dependent photoluminescence properties of fluorescent silicon nanoparticles (SiNPs) can be realized by rationally designing surface ligands, i.e., several kinds of oxidized indole derivatives. The resultant ligand-decorated SiNPs exhibit strong fluorescence, with significant excitation-wavelength-dependent emissive shifting from
我们在此进行开创性研究,以揭示荧光
硅纳米颗粒(SiNPs)的激发波长依赖的光致发光特性可以通过合理设计表面
配体(即几种氧化的
吲哚衍
生物)来实现。所得的
配体修饰的SiNPs表现出强荧光,并具有显着的与激发波长有关的发射光谱,从420nm到550nm。利用其独特的光学优点,我们进一步利用所得的
配体修饰的SiNP作为新型荧光标记进行防伪和细胞成像。