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    Features of Random Metal Nanowire Networks with Application in Transparent Conducting Electrodes

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    Description:
    Thesis Thirupathi Maloth
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    Type
    Thesis
    Authors
    Maloth, Thirupathi cc
    Advisors
    Lubineau, Gilles cc
    Committee members
    Younis, Mohammad I. cc
    Hussain, Muhammad Mustafa cc
    Program
    Mechanical Engineering
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2017-05
    Permanent link to this record
    http://hdl.handle.net/10754/623469
    
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    Abstract
    Among the alternatives to conventional Indium Tin Oxide (ITO) used in making transparent conducting electrodes, the random metal nanowire (NW) networks are considered to be superior offering performance at par with ITO. The performance is measured in terms of sheet resistance and optical transmittance. However, as the electrical properties of such random networks are achieved thanks to a percolation network, a minimum size of the electrodes is needed so it actually exceeds the representative volume element (RVE) of the material and the macroscopic electrical properties are achieved. There is not much information about the compatibility of this minimum RVE size with the resolution actually needed in electronic devices. Furthermore, the efficiency of NWs in terms of electrical conduction is overlooked. In this work, we address the above industrially relevant questions - 1) The minimum size of electrodes that can be made based on the dimensions of NWs and the material coverage. For this, we propose a morphology based classification in defining the RVE size and we also compare the same with that is based on macroscopic electrical properties stabilization. 2) The amount of NWs that do not participate in electrical conduction, hence of no practical use. The results presented in this thesis are a design guide to experimentalists to design transparent electrodes with more optimal usage of the material.
    Citation
    Maloth, T. (2017). Features of Random Metal Nanowire Networks with Application in Transparent Conducting Electrodes. KAUST Research Repository. https://doi.org/10.25781/KAUST-6BCRY
    DOI
    10.25781/KAUST-6BCRY
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-6BCRY
    Scopus Count
    Collections
    MS Theses; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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