Graded index and randomly oriented core-shell silicon nanowires for broadband and wide angle antireflection | Zendy

P. Pignalosa | Zendy; H. Lee | Zendy; Lan Qiao | Zendy; Ming Lun Tseng | Zendy; YuanQiuQiang Yi | Zendy

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Graded index and randomly oriented core-shell silicon nanowires for broadband and wide angle antireflection

Author(s) -

P. Pignalosa,

H. Lee,

Lan Qiao,

Ming Lun Tseng,

YuanQiuQiang Yi

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3624838

Subject(s) - broadband , materials science , silicon , nanowire , optoelectronics , shell (structure) , core (optical fiber) , layer (electronics) , optics , refractive index , absorption (acoustics) , nanotechnology , composite material , physics

Antireflection with broadband and wide angle properties is important for a wide range of applications on photovoltaic cells and display. The SiOx shell layer provides a natural antireflection from air to the Si core absorption layer. In this work, we have demonstrated the random core-shell silicon nanowires with both broadband (from 400nm to 900nm) and wide angle (from normal incidence to 60º) antireflection characteristics within AM1.5 solar spectrum. The graded index structure from the randomly oriented core-shell (Air/SiOx/Si) nanowires may provide a potential avenue to realize a broadband and wide angle antireflection layer

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