Fabrication and characterisation of photonic nanowires

Joseph E. McCarthy, Áine M. Whelan, Gemma Louise Davies, Fiona Byrne, Jennifer Conroy, Yuri Volkov, Yurii K. Gun'ko

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    In recent years the application of nano-porous templates, such as anodic alumina and PTFE, in the production of cylindrical nanostructures has been vast. In our work we used porous alumina membranes to produce luminescent nanowires from polystyrene and silica. The silica wires were fabricated by infiltration of a TEOS derived sol-gel into 200 nm diameter porous alumina membranes with vacuum assistance followed by annealing at 400 °C. Polystyrene luminescent, magnetic nanowires have been fabricated using a similar technique. The wires were studied by optical, confocal and transmission electron microscopy. Silica nanowires demonstrated a broad luminescence spectrum due to interstitial carbon defect emission. Polystyrene nanowires have demonstrated strong emission and interesting magnetic behaviour. Both polystyrene and silica maghemite loaded nanowires show alignment to an external magnetic field. We believe that these silica and polystyrene nanowires might find potential applications in photonics, bio-sensing and biological imaging.

    Original languageEnglish
    Title of host publicationNanophotonic Materials V
    DOIs
    Publication statusPublished - 2008
    EventNanophotonic Materials V - San Diego, CA, United States
    Duration: 10 Aug 200812 Aug 2008

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume7030
    ISSN (Print)0277-786X

    Conference

    ConferenceNanophotonic Materials V
    Country/TerritoryUnited States
    CitySan Diego, CA
    Period10/08/0812/08/08

    Keywords

    • Nano-porous templates
    • Nanowires
    • Polystyrene
    • Sol-gel

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