Abstract
In this study, the levels of durability of nanostructures for flexible devices are explored based on tensile force, bending moment, and torsion. First, for application to optical devices, aluminium nanostructures are fabricated using laser interference lithography. The optical characteristics of the fabricated nanopatterns are investigated, and the structure with the highest light transmittance is selected for durability analysis. A structural analysis model using the finite element method is then developed and its reliability is validated through a comparison with the experimental data for both polyethylene terephthalate and Au thin films. Finally, the different levels of durability of the nanostructures are investigated for application based on tensile force, bending moment, and torsion. The structural weakness of each nanostructure is explored and the durability characteristics are highlighted.
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