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Direct Growth of Vertically Orientated Nanocavity Arrays for Plasmonic Color Generation

机译：垂直定向纳米恒星阵列的直接生长代言颜色

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摘要

Plasmonic structural colors, arising from resonance interactions between photons and metallic nanostructures, have been developed rapidly for high-end applications. However, common structural color materials and fabrication methods usually have open plasmonic nanostructures and limited scalability, respectively. Here, a new scheme based on Ag nanowire arrays/SiO(2)composite metamaterial films with subwavelength enclosed nanostructures involved that combine a dielectric gap layer and a metal mirror is presented. The whole stacked structure can be simply prepared only via magnetron sputtering without any other procedures. Specifically, by changing deposition parameters, the geometry size and sub-10 nm periodic parameters of the structure unit cell array can be finely tuned in a controllable and reproducible way. By experiments and simulations, it is demonstrated how interwire coupled plasmonic transverse modes in vertically orientated nanocavity arrays control multiple nanocavity standing-wave resonances at visible wavelengths, generating three primary colors-included bright and saturated colors across a wide gamut. Large-area and uniform structural colors, whether on rigid or flexible substrates, show angle-insensitive and air-stable features. In a wider perspective, this work suggests that the material scheme and fabrication advances represent a robust platform for plasmonic color designing, theory exploring, and large-scale manufacturing.
机译：从光子和金属纳米结构之间的共振相互作用引起的等离子体结构颜色已经迅速开发用于高端应用。然而，共同的结构颜色材料和制造方法通常分别具有开放的等离子体纳米结构和有限的可扩展性。这里，提出了一种基于AG纳米线阵列/ SiO（2）复合超材料膜的新方案，其中涉及与介电间隙层和金属镜相结合的副封闭纳米结构。整个堆叠结构只能通过磁控溅射制备，而无需任何其他程序。具体地，通过改变沉积参数，可以以可控和可再现的方式精细调整结构单元电池阵列的几何尺寸和子10nm周期性参数。通过实验和仿真，证明了在可见波长下控制多个纳米腔阵列中的多个纳米蜂窝驻波谐振的耦合耦合等级横向模式如何控制多个纳米级驻波共振，在宽方形曲目中产生三种主要颜色和饱和的颜色。大面积和均匀的结构颜色，无论是刚性或柔性的基板上，都显示出角度不敏感和空气稳定的特征。在更广泛的观点中，这项工作表明，材料方案和制造进步代表了迫切性的级别颜色设计，理论探索和大规模制造的强大平台。

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  • 来源
    《Advanced Functional Materials》 |2020年第32期|2002287.1-2002287.10|共10页
  • 作者

    Hu Haibo; Gao Wenjie; Zang Rui; Gao Junhua; Tang Shiwei; Li Xiaoyun; Liang Lingyan; Zhang Hongliang; Cao Hongtao;

  • 作者单位

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China|Univ Chinese Acad Sci Ctr Mat Sci & Optoelect Engn Beijing 100049 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China|Bruker Beijing Sci Technol Co Ltd Nano Surfaces Div Beijing 100192 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China;

    Ningbo Univ Sch Phys Sci & Technol Ningbo 315211 Peoples R China;

    Chinese Acad Sci Shanghai Adv Res Inst Shanghai Synchrotron Radiat Facil Shanghai 201210 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China;

    Chinese Acad Sci Ningbo Inst Mat Technol & Engn Div Funct Mat & Nano Devices Ningbo 315201 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    direct growth; magnetron sputtering; metamaterial film; nanowire; plasmonic structure color;

    机译：直接增长;磁控溅射;超材料薄膜;纳米线;等离子体结构颜色;

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