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首页> 外文期刊>RSC Advances >Vivid colours in hyperuniform complex-index photonic structures by resonant interference of photonic band gaps and optical band gaps
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Vivid colours in hyperuniform complex-index photonic structures by resonant interference of photonic band gaps and optical band gaps

机译：通过光子频带间隙的共振干扰和光带间隙的振动色差诱发色调中的鲜艳色彩

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摘要

Hyperuniform photonic structures (HPSs) have been doped with complex index materials to increase their reflectivity and colour expression range. HPSs synthesized using dielectric SiO2 nanoparticles have been mixed with a small amount of dopant nanoparticles (c(d) 1%) having a complex refractive index. Various dyes including Sudan I, Sudan Blue II, Alizarin yellow GG, Bromocresol purple and polydopamine (PDA) are used as dopants. Large reflectivity enhancements of HPSs (approximate to 100%) are observed by resonant interference of photonic band gaps (PBGs) and optical band gaps (OBGs). Reflectivity enhancements are observed only when PBGs of HPSs match with OBGs of dopants. The colour expression range of HPS increases by 600% by doping with melanine-like PDA nanoparticles, which have the imaginary part of the refractive index in whole visible range.
机译：超晶体光子结构（HPSS）被掺杂有复杂的指标材料，以增加其反射率和颜色表达范围。 使用介电SiO2纳米颗粒合成的HPS与少量掺杂剂纳米颗粒（C（d）1％）混合，具有复杂的折射率。 包括苏丹I，苏丹蓝二，茜素黄GG，溴甲醇紫色和聚二胺（PDA）的各种染料用作掺杂剂。 通过光子带间隙（PBG）和光带间隙（OBG）的共振干涉来观察HPSS（近似100％）的大反射率增强。 只有当HPSS与OBG掺杂剂匹配时，才会观察到反射率增强。 通过掺杂用黑色素样PDA纳米颗粒掺杂，HPS的颜色表达范围增加了600％，其在整个可见范围内具有折射率的虚部的虚部。

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  • 来源
    《RSC Advances》 |2018年第63期|共8页
  • 作者

    Seo Chunhee; Hyon Jinho; Suk Soyeon; Oh Changjoon; Nam Jihye; Duong Nguyen Minh; Sim Jae Hyun; Kang Youngjong;

  • 作者单位

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

    Hanyang Univ Dept Chem 222 Wangsimni Ro Seoul 04763 South Korea;

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  • 正文语种 eng
  • 中图分类 化学;
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