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首页> 外文期刊>RSC Advances >Thermal-tolerant polymers with antireflective and hydrophobic grooved subwavelength grating surfaces for high-performance optics
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Thermal-tolerant polymers with antireflective and hydrophobic grooved subwavelength grating surfaces for high-performance optics

机译：具有抗反射和疏水沟槽亚波长光栅表面的耐热聚合物，用于高性能光学器件

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摘要

We report thermal-tolerant polymer films integrated with antireflective and hydrophobic grooved subwavelength gratings (G-SWGs), which are fabricated by a soft imprint lithography from silicon molds with conical SWGs, for high-performance optics. For the poly-dimethylsiloxane (PDMS) polymer films with the G-SWGs at one-and both-side surfaces, their optical properties are investigated for different periods, exhibiting efficient broadband and wide-angle antireflection behavior with light scattering. To simply demonstrate their feasibility in optical and optoelectronic systems, the one-side G-SWGs PDMS film with a short period of 380 nm is laminated on indium tin oxide-coated glass (i.e., ITO glass) and polyethylene terephthalate (PET) substrates. This film effectively enhances the transmittance (or suppresses the reflectance) of both the bare ITO glass and PET substrates in wide ranges of wavelengths and incident angles. Additionally, it shows not only a relatively strong thermal durability at temperatures less than 180 degrees C, but also a hydrophobic surface with high water contact angle of around 140 degrees (i.e., self-cleaning ability).
机译：我们报告了与抗反射和疏水沟槽亚壳长度的耐抗反射性凹槽的耐热性聚合物薄膜（G-SWG）集成，其由具有锥形SWG的硅模具的软质印刷印刷光刻制造，用于高性能光学器件。对于在一个和两个侧表面的G-SWG的聚二甲基硅氧烷（PDMS）聚合物膜，它们的光学性质被研究不同的时间，具有光散射的有效宽带和广角抗反射行为。为了简单地证明它们在光电系统中的可行性，在氧化铟锡涂覆的玻璃（即ITO玻璃）和聚对苯二甲酸乙二醇酯（PET）底物上层叠，单面G-SWGS PDMS膜层叠在氧化锡氧化铟锡（I.，ITO玻璃）和聚对苯二甲酸乙二醇酯（PET）底物上。该薄膜在宽范围和入射角的宽范围内有效地增强了裸ITO玻璃和PET基板的透射率（或抑制反射率）。另外，它不仅显示在小于180℃的温度下的相对强烈的热耐久性，还显示出具有大约140度（即，自清洁能力）的高水接触角的疏水表面。

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  • 来源
    《RSC Advances》 |2016年第83期|共8页
  • 作者

    Leem Jung Woo; Dudem Bhaskar; Yu Jae Su;

  • 作者单位

    Kyung Hee Univ Dept Elect &

    Radio Engn 1732 Deogyeong Daero Yongin 17104 Gyeonggi Do South Korea;

    Kyung Hee Univ Dept Elect &

    Radio Engn 1732 Deogyeong Daero Yongin 17104 Gyeonggi Do South Korea;

    Kyung Hee Univ Dept Elect &

    Radio Engn 1732 Deogyeong Daero Yongin 17104 Gyeonggi Do South Korea;

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  • 正文语种 eng
  • 中图分类 化学;
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