期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 21, 页码 10731-10737出版社
AMER CHEMICAL SOC
DOI: 10.1021/am402881x
关键词
moth eye; broadband antireflection; nanostructures; mixed shape; arrangement; transparency
资金
- Korea Research Council for Industrial Science & Technology as part of the project Mass-Production Technology Support Center for Green Energy Devices
- National Research Council of Science & Technology (NST), Republic of Korea [SC0910] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Broadband antireflection (AR) is essential for improving the photocurrent generation of photovoltaic modules or the enhancement of visibility in optical devices. Beyond conventional AR coating methods, moth eye mimicking nanostructures give new directions to enhance broadband antireflection through the selection of geometrical parameters, such as height, periodic distance, shape, and arrangement. This study numerically and experimentally investigates the behavior of light on complex nanostructures designed to mimic the surface of the moth eye with mixed shapes and various arrangements. To obtain broadband AR, we rigorously study the design parameters, such as height, periodic distance, shape, and arrangement, on a transparent quartz substrate. Several kinds of nanopillar arrays are elaborately fabricated including mixed nanostructures comprising pointy and round shapes in ordered and random arrangements via colloidal lithography. The optimal morphology of moth eye nanostructure arrays for broadband antireflection is suggested in view of reflectance and average weight transmittance.
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