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Advanced Materials

Broad-band and Omnidirectional Antireflection Coatings Based on Semiconductor Nanorods

Authors

  • Silke L. Diedenhofen,

    Corresponding author
    1. FOM Institute for Atomic and Molecular Physics c/o Philips Research Laboratories High Tech Campus 4 5656 AE Eindhoven (The Netherlands)
    • FOM Institute for Atomic and Molecular Physics c/o Philips Research Laboratories High Tech Campus 4 5656 AE Eindhoven (The Netherlands).
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  • Gabriele Vecchi,

    1. FOM Institute for Atomic and Molecular Physics c/o Philips Research Laboratories High Tech Campus 4 5656 AE Eindhoven (The Netherlands)
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  • Rienk E. Algra,

    1. c/o Philips Research Laboratories, High Tech Campus 4 5656 AE Eindhoven (The Netherlands)
    2. Materials Innovation Institute (M2i) 2628 CD Delft (The Netherlands)
    3. Department of Solid State Chemistry Institute for Molecules and Materials (IMM) Radboud University Toernooiveld 1, 6525 ED Nijmegen (The Netherlands)
    4. FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam (The Netherlands)
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  • Alex Hartsuiker,

    1. FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam (The Netherlands)
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  • Otto L. Muskens,

    1. FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam (The Netherlands)
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  • George Immink,

    1. Miplaza Technology Laboratories Philips Research Europe High Tech Campus 29, 5656 AE Eindhoven (The Netherlands)
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  • Erik P. A. M. Bakkers,

    1. Philips Research Laboratories, High Tech Campus 4 5656 AE Eindhoven (The Netherlands)
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  • Willem L. Vos,

    1. FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam (The Netherlands)
    2. Complex Photonic Systems, MESA+ Institute for Nanotechnology, University of Twente 7500 AE Enschede (The Netherlands)
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  • Jaime Gómez Rivas

    1. FOM Institute for Atomic and Molecular Physics c/o Philips Research Laboratories High Tech Campus 4 5656 AE Eindhoven (The Netherlands)
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Abstract

A broad-band and omnidirectional antireflection coating consisting of semiconductor nanowires is fabricated. The reflection is reduced due to a graded refractive index, which is achieved by a certain nanorod-length distribution of cylindrical and conically shaped rods. An increased transmission and, accordingly, a reduced reflection are demonstrated for the visible and near-infrared parts of the spectrum.

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