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Field Emission Characteristics of Contact Printed Graphene Fins

Authors

  • Toby Hallam,

    1. Centre for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Dublin 2, Ireland
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  • Matthew T. Cole,

    1. Department of Engineering, Electrical Engineering Division, University of Cambridge, 9 JJ Thomson Avenue, CB3 0FA, Cambridge, UK
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  • William I. Milne,

    1. Department of Information Display, Kyung Hee University, Seoul, 130701, Republic of Korea
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  • Georg S. Duesberg

    Corresponding author
    1. Centre for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Dublin 2, Ireland
    2. School of Chemistry, Trinity College Dublin, Dublin 2, Ireland
    • Centre for Research on Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Dublin 2, Ireland.

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Abstract

Carbon nanostructures have been much sought after for cold-cathode field emission applications. Herein a printing technique is reported to controllably nanostructure chemical vapor deposited graphene into vertically standing fins. The method allows for the creation of regular arrays of bilayer graphene fins, with sharp ridges that, when printed onto gold electrodes, afford a new type of field emission electron source geometry. The approach affords tunable morphologies and excellent long term and cyclic stabilities.

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