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Laser printing based on curvature-driven shape transition of aluminum nanodiscs [Early Posting]

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摘要

Plasmonic structural colors have plenty of advantages over traditional colors based on colorants. Pulsed laser provides an important method generating plasmonic structural colors with high efficiency and low cost. Here we present plasmonic color printing Al nanodisc structures through curvature-driven shape transition. We systematically study the mechanism of morphologic evolution of Al nanodisc below the thermal melting threshold. Multi-pulse induced accumulated photothermal effect and subsequent curvature-driven surface atom diffusion model is adopted to explain the controllable shape transition. The shape transition and corresponding plasmonic resonances of nanodisc can be independently and precisely modulated by controlled irradiations. This method opens new ways towards high-fidelity color prints in a highly-efficient and facile laser writing fashion.

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作者单位:

    Jinan University
    Jinan University
    Jinan University
    Jinan University
    Jinan University
    Chinese Academy of Sciences
    Chinese Academy of Sciences

引用该论文

Lu Yudong,Hu Dejiao,Zhang Mingsi,Li Xiangping,Cao Yaoyu,Li Jiafang,Yang Lechen. Laser printing based on curvature-driven shape transition of aluminum nanodiscs[J].Chinese Optics Letters,2021,19(5):05.