Broadband Antireflection and Light Extraction Enhancement in Fluorescent SiC with Nanodome Structures

Yiyu Ou, Xiaolong Zhu, Valdas Jokubavicius, Rosita Yakimova, N. Asger Mortensen, Mikael Syväjärvi, Sanshui Xiao, Haiyan Ou

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    Abstract

    We demonstrate a time-efficient and low-cost approach to fabricate Si3N4 coated nanodome structures in fluorescent SiC. Nanosphere lithography is used as the nanopatterning method and SiC nanodome structures with Si3N4 coating are formed via dry etching and thin film deposition process. By using this method, a significant broadband surface antireflection and a considerable omnidirectional luminescence enhancement are obtained. The experimental observations are then supported by numerical simulations. It is believed that our fabrication method will be well suitable for large-scale production in the future.

    Original languageEnglish
    Article number4662
    JournalScientific Reports
    Volume4
    Pages (from-to)1-4
    ISSN2045-2322
    DOIs
    Publication statusPublished - 2014

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