Abstract
Transparent substrates with antifogging and antireflection ability are of extreme significance for optical devices, because they alleviate performance loss and maintenance costs. Here, we reported that a multifunctional film, with excellent mechanical properties, can be fabricated on the PMMA surface via the micro-transfer printing method. In particular, the synergistic effect of the inverted pyramid microstructure and SiO2 nanoparticles gives the film excellent antireflective, superhydrophilic and antifogging properties, and the silica sol firmly adheres to the PMMA substrate via the silane coupling agent, which exhibits an encouraging prospect of practical applications from lenses for personal and sports eyewear to transparent displays and sensors, etc.
Highlights
Reflections and fog are major problems that affect the efficiency of light collection and image peculiarity of optical components
It can be seen that the micro-transfer printing method is quite successful; inverted pyramids of different sizes are staggered on the PMMA substrate surface
On the surface of the inverted pyramid microstructure, the incident light can be strongly coupled into the PMMA replica (P-R) film, which significantly weakens the dependence of the antireflection effect on the incident angle [21]
Summary
Reflections and fog are major problems that affect the efficiency of light collection and image peculiarity of optical components. It is well known that optical polymer has remarkable advantages in chemical stability, such as low cost, easy and fast processing, etc Among these advantages, the plexiglass (polymethylmethacrylate), is known as an acrylic that has magnificent light transmission performance, which can transmit more than 92% of sunlight, tolerance to heat and cold, corrosion resistance, soluble in organic solvents and so forth. The plexiglass (polymethylmethacrylate), is known as an acrylic that has magnificent light transmission performance, which can transmit more than 92% of sunlight, tolerance to heat and cold, corrosion resistance, soluble in organic solvents and so forth It can be used in the transparent structural components, such as lenses, sports eyewear, transparent displays, and sensors [18]. The silane coupling agent (KH550) was purchased from Shanyi Plastic Co., Ltd (Dongguan, China)
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