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首页> 外文期刊>Applied Surface Science >Direct fabrication of periodic patterns with hierarchical sub-wavelength structures on poly(3,4-ethylene dioxythiophene)-poly(styrene sulfonate) thin films using femtosecond laser interference patterning
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Direct fabrication of periodic patterns with hierarchical sub-wavelength structures on poly(3,4-ethylene dioxythiophene)-poly(styrene sulfonate) thin films using femtosecond laser interference patterning

机译:使用飞秒激光干涉图案在聚(3,4-乙撑二氧噻吩)-聚(苯乙烯磺酸盐)薄膜上直接制备具有分层亚波长结构的周期性图案

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摘要

A simple optical interference method for the fabrication of simply periodic and periodic with a substructure on poly(3,4-ethylene dioxythiophene)-poly(styrene sulfonate) using femtosecond laser interference patterns is demonstrated. The femtosecond laser pulse was split by a diffractive beam splitter and overlapped with two lenses. Homogeneous periodic arrays could be fabricated even using a single laser pulse. In addition, multipulse irradiation resulted in reproducible sub-wavelength ripples oriented perpendicularly to the laser polarization with spatial period from 170 to 220 nm (around one-fourth of the laser wavelength). In addition, the observed size of the spatial period was not affected by the number of incident laser pulses or accumulated energy density. Using high energy pulses it was possible to completely remove the PEDOT:PSS layer without inducing damage to the underneath substrate.
机译:演示了一种使用飞秒激光干涉图样在聚(3,4-乙撑二氧噻吩)-聚(苯乙烯磺酸盐)上简单地周期性和周期性地在子结构上制造简单光学干涉方法的方法。飞秒激光脉冲由衍射分束器分开,并与两个透镜重叠。即使使用单个激光脉冲,也可以制造同质周期阵列。另外,多脉冲辐照导致可再现的亚波长波纹垂直于激光偏振定向,其空间周期为170至220 nm(约为激光波长的四分之一)。另外,观察到的空间周期的大小不受入射激光脉冲数或累积能量密度的影响。使用高能量脉冲,可以完全去除PEDOT:PSS层,而不会损坏下方的基板。

著录项

  • 来源
    《Applied Surface Science》 |2010年第6期|1708-1713|共6页
  • 作者单位

    Fraunhofer Institute for Material and Beam Technology (IWS), Winterbergstr, 28, Dresden 01277, Germany Ceorgia Institute of Technology, Direct Digital Manufacturing Laboratory, George W. Woodruff School of Mechanical Engineering. Atlanta, GA 30332-0405, USA;

    Ceorgia Institute of Technology, Direct Digital Manufacturing Laboratory, George W. Woodruff School of Mechanical Engineering. Atlanta, GA 30332-0405, USA;

    Department of Biomedical Engineering, The University of Michigan, 2200 Bonisteel Blvd.. Ann Arbor, MI 48109-2099, USA;

    Macromolecular Science and Engineering Center, The University of Michigan, 2300 Hayward Ave., Ann Arbor, MI 48109-2136, USA;

    Department of Biomedical Engineering, The University of Michigan, 2200 Bonisteel Blvd.. Ann Arbor, MI 48109-2099, USA Macromolecular Science and Engineering Center, The University of Michigan, 2300 Hayward Ave., Ann Arbor, MI 48109-2136, USA Department of Materials Science and Engineering, The University of Michigan, 2300 Hayward Ave., Ann Arbor, MI 48109-2136, USA;

    Ceorgia Institute of Technology, Direct Digital Manufacturing Laboratory, George W. Woodruff School of Mechanical Engineering. Atlanta, GA 30332-0405, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    laser interference; femtosecond; PEDOT:PSS; hierarchical structures; sub-wavelength resolution;

    机译:激光干扰飞秒PEDOT:PSS;等级结构;亚波长分辨率;

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