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首页> 外文期刊>Advanced Functional Materials >Asymmetric Tunable Photonic Bandgaps in Self-Organized 3D Nanostructure of Polymer-Stabilized Blue Phase I Modulated by Voltage Polarity
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Asymmetric Tunable Photonic Bandgaps in Self-Organized 3D Nanostructure of Polymer-Stabilized Blue Phase I Modulated by Voltage Polarity

机译：电压稳定的聚合物稳定蓝相I的自组织3D纳米结构中的不对称可调谐光子带隙

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摘要

Electrically responsive photonic crystals represent one of the most promising intelligent materials for technological applications in optoelectronics. In this research, a polymer-stabilized blue phase (PSBP) I film with the self-organized 3D nanostructure is fabricated, and an electrically tunable photonic bandgap (PBG) is achieved. Interestingly, the large-scale shift of the PBG covering the entire visible spectrum is found to be asymmetric and can be modulated by the polarity and magnitude of bias voltage. Moreover, to demonstrate the usability in optical devices, blue phase lasers are developed by doping the PSBP material with fluorescent dyes. And mirrorless lasing emission with electrically tunable wavelength is observed. This self-assembled soft material is prospective to produce large-scale electrically responsive photonic crystals in facile fabrication process and has enormous potential applications in intelligent optoelectronic devices, such as 3D tunable lasers, reflective full-color displays, or photonic integrated circuits.
机译：电响应光子晶体代表了光电技术中最有前途的智能材料之一。在这项研究中，制造了具有自组织3D纳米结构的聚合物稳定的蓝相（PSBP）I膜，并实现了电可调光子带隙（PBG）。有趣的是，发现覆盖整个可见光谱的PBG的大规模移位是不对称的，并且可以通过偏置电压的极性和大小进行调制。此外，为了证明在光学设备中的可用性，通过向PSBP材料中掺入荧光染料来开发蓝相激光器。并且观察到具有电可调波长的无反射镜的激光发射。这种自组装的软材料有望在轻松的制造过程中生产出大规模的电响应光子晶体，并在智能光电设备（例如3D可调激光器，反射式全色显示器或光子集成电路）中具有巨大的潜在应用。

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  • 来源
    《Advanced Functional Materials》 |2017年第46期|1702261.1-1702261.8|共8页
  • 作者

    Wang Meng; Zou Cheng; Sun Jian; Zhang Lanying; Wang Ling; Xiao Jiumei; Li Fasheng; Song Ping; Yang Huai;

  • 作者单位

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China;

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China;

    Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Dept Mat Phys & Chem, Beijing 100083, Peoples R China;

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China|Peking Univ, Minist Educ, Key Lab Polymer Chem & Phys, Beijing 100871, Peoples R China;

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China|Texas A&M Univ, Artie McFerrin Dept Chem Engn, College Stn, TX 77843 USA;

    Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China;

    Dalian Med Univ, Coll Med Lab, Dalian 116044, Peoples R China;

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China;

    Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China|Peking Univ, Minist Educ, Key Lab Polymer Chem & Phys, Beijing 100871, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    blue phase; laser; liquid crystals; photonic crystals; self-assembly;

    机译：蓝相;激光;液晶;光子晶体;自组装;

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