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Numerical and experimental study of fluorescence enhancement with silica encapsulated metallic nanoparticlesстатья
- Авторы: Zhang J.B., Ho J.F., Cheng L., Teo Q.Q., Sze J.Y., Luk'yanchuk B.
- Сборник: SPIE Proceedings 2010 том 7577
- Год издания: 2010
- Место издания: SPIE
- DOI: 10.1117/12.841747
- Аннотация: A metallic nanoparticle can act as an optical antenna, enhancing the fluorescence of nearby fluorescent molecules. We investigate the effects of a silica spacer layer on this fluorescence enhancement. Numerical simulations using the Finite- Difference Time Domain (FDTD) method is performed to find the optimum size for the gold nanosphere core as well as the optimum thickness of the silica shell. We present the dependence of radiative decay rate and quantum yield of the fluorescent molecule with respect to varying silica layer thicknesses.
- Добавил в систему: Лукьянчук Борис Семенович