期刊
NANOSCALE
卷 10, 期 33, 页码 15496-15504出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr02386g
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资金
- European Union's Horizon 2020 Research and Innovation Program [646397]
- Ministry of Education and Research of the Madrid Community [PEJ15/IND/AI-0626]
- European Social Fund (ESF)
- Severo Ochoa Programme for Centres of Excellence in RD (MINECO) [SEV-2016-0686]
Antireflective transparent materials are essential for a myriad of applications to allow for clear vision and efficient light transmission. Despite the advances, efficient and low cost solutions to clean antireflective surfaces have remained elusive. Here, we present a practical approach that enables the production of antireflective polymer surfaces based on moth-eye inspired features incorporating photoinduced self-cleaning properties and enhanced mechanical resistance. The methodology involves the fabrication of sub-wavelength moth-eye nanofeatures onto transparent surface composite films in a combined processing step of nanoparticle coating and surface nanoimprinting. The resulting surfaces reduced the optical reflection losses from values of 9% of typical PMMA plastic films to an optimum value of 0.6% in the case of double-sided moth-eye nanoimprinted films. The composite moth-eye topography also showed an improved stiffness and scratch resistance. This technology represents a significant advancement not limited by scale, for the development of antireflective films for low cost application products.
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