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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/100161

    Title: Development of long lifetime cathode materials for microplasma application
    Authors: Srinivasu Kunuku;Kamatchi Jothiramalingam Sankaran;Dong, Chung-Li;Tai, Nyan-Hwa;Leou, Keh-Chyang;Lin, I-Nan;林諭男
    Contributors: 淡江大學物理學系
    Date: 2014
    Issue Date: 2015-02-03 16:45:23 (UTC+8)
    Publisher: Cambridge: R S C Publications
    Abstract: In this paper we present the growth of three kinds of diamond films including ultrananocrystalline diamond (UNCD), nitrogen doped UNCD and hybrid granular structured diamond (HiD) films on Au coated silicon for applying as a cathode in a parallel-plate type microplasma device. The phase constituents and microstructures of these diamond films were investigated in order to understand the role of the intrinsic properties of these cathode materials on manipulation of the plasma characteristics of the corresponding devices. We observed that, while the diamond materials with a high fraction of sp2-bonded carbons exhibited superior electron field emission (EFE) properties and hence better plasma illumination (PI) behavior, the cathode materials with a suitable microstructure are required to ensure longer lifetime for practical applications of the microplasma devices. Based on these observations, we have developed hybrid granular structured diamond films, in which the sp2-bonded carbons were hidden in the boundaries between the sp3-bonded diamond grains, such that the films exhibited not only excellent EFE properties and PI behavior but also good PI behavior with long lifetime.
    Relation: RSC Advances 2014, 4, pp.47865-47875
    DOI: 10.1039/C4RA08296F
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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