Design parameters for enhanced photon absorption in vertically aligned silicon nanowire arrays

Superior photon absorption in ordered nanowire arrays has been demonstrated recently. However, systematic studies are still missing to explore the limits of their implementation as functional photonic devices. With emphasis on silicon nanowires, we investigated the effects of nanowire diameter, leng...

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Detalles Bibliográficos
Autores principales: Jäger, Stefan T, Strehle, Steffen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer 2014
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4177724/
https://www.ncbi.nlm.nih.gov/pubmed/25276106
http://dx.doi.org/10.1186/1556-276X-9-511
Descripción
Sumario:Superior photon absorption in ordered nanowire arrays has been demonstrated recently. However, systematic studies are still missing to explore the limits of their implementation as functional photonic devices. With emphasis on silicon nanowires, we investigated the effects of nanowire diameter, length, morphology, and pitch on the photon absorption within the visible solar spectrum based on simulations. Our results reveal that these parameters are crucial but disclose a path to improve the absorbance drastically. PACS: 78.40.Fy; 78.67.Uh; 78.67.-n

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