Semiconductor nanowires can act as nanoscaled optical fibers, enabling them to guide and concentrate light emitted by surface-bound fluorophores, potentially enhancing the sensitivity of optical biosensing. While parameters such as the nanowire geometry and the fluorophore wavelength can be expected to strongly influence this lightguiding effect, no detailed description of their effect on in-coupling of fluorescent emission is available to date.
Damiano Verardo, Frida W. Lindberg, Nicklas Anttu, Cassandra S. Niman, Mercy Lard, Aleksandra P. Dabkowska, Tommy Nylander, Alf Månsson, Christelle N. Prinz, and Heiner Linke
Read full paper Verardo 2018, Nanowires for Biosensing. Lightguiding of Fluorescence as a Function of Diameter and Wavelength
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