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Biomimetic chameleon soft robot with artificial crypsis and disruptive coloration skin

Author

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  • Hyeonseok Kim

    (Seoul National University)

  • Joonhwa Choi

    (Seoul National University)

  • Kyun Kyu Kim

    (Seoul National University)

  • Phillip Won

    (Seoul National University)

  • Sukjoon Hong

    (Hanyang University)

  • Seung Hwan Ko

    (Seoul National University
    Seoul National University)

Abstract

Development of an artificial camouflage at a complete device level remains a vastly challenging task, especially under the aim of achieving more advanced and natural camouflage characteristics via high-resolution camouflage patterns. Our strategy is to integrate a thermochromic liquid crystal layer with the vertically stacked, patterned silver nanowire heaters in a multilayer structure to overcome the limitations of the conventional lateral pixelated scheme through the superposition of the heater-induced temperature profiles. At the same time, the weaknesses of thermochromic camouflage schemes are resolved in this study by utilizing the temperature-dependent resistance of the silver nanowire network as the process variable of the active control system. Combined with the active control system and sensing units, the complete device chameleon model successfully retrieves the local background color and matches its surface color instantaneously with natural transition characteristics to be a competent option for a next-generation artificial camouflage.

Suggested Citation

  • Hyeonseok Kim & Joonhwa Choi & Kyun Kyu Kim & Phillip Won & Sukjoon Hong & Seung Hwan Ko, 2021. "Biomimetic chameleon soft robot with artificial crypsis and disruptive coloration skin," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24916-w
    DOI: 10.1038/s41467-021-24916-w
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    Cited by:

    1. Lin Lu & Bo Wu & Xinyuan He & Fen Zhao & Xing Feng & Dong Wang & Zijie Qiu & Ting Han & Zheng Zhao & Ben Zhong Tang, 2024. "Multiple photofluorochromic luminogens via catalyst-free alkene oxidative cleavage photoreaction for dynamic 4D codes encryption," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Tong An & Xinyu Jiang & Feng Gao & Christian Schäfer & Junjun Qiu & Nan Shi & Xiaokun Song & Manyao Zhang & Chris E. Finlayson & Xuezhi Zheng & Xiuhong Li & Feng Tian & Bin Zhu & Tan Sui & Xianhong Ha, 2024. "Strain to shine: stretching-induced three-dimensional symmetries in nanoparticle-assembled photonic crystals," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Pei Zhang & Iek Man Lei & Guangda Chen & Jingsen Lin & Xingmei Chen & Jiajun Zhang & Chengcheng Cai & Xiangyu Liang & Ji Liu, 2022. "Integrated 3D printing of flexible electroluminescent devices and soft robots," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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