Decorated bacteria-cellulose ultrasonic metasurface

Zong-Lin Li, Kun Chen, Fei Li, Zhi-Jun Shi, Qi-Li Sun, Peng-Qi Li, Yu-Gui Peng, Lai-Xin Huang, Guang Yang (), Hairong Zheng () and Xue-Feng Zhu ()
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Zong-Lin Li: Huazhong University of Science and Technology
Kun Chen: Huazhong University of Science and Technology
Fei Li: Chinese Academy of Sciences
Zhi-Jun Shi: Huazhong University of Science and Technology
Qi-Li Sun: Huazhong University of Science and Technology
Peng-Qi Li: Chinese Academy of Sciences
Yu-Gui Peng: Huazhong University of Science and Technology
Lai-Xin Huang: Chinese Academy of Sciences
Guang Yang: Huazhong University of Science and Technology
Hairong Zheng: Chinese Academy of Sciences
Xue-Feng Zhu: Huazhong University of Science and Technology

Nature Communications, 2023, vol. 14, issue 1, 1-9

Abstract: Abstract Cellulose, as a component of green plants, becomes attractive for fabricating biocompatible flexible functional devices but is plagued by hydrophilic properties, which make it easily break down in water by poor mechanical stability. Here we report a class of SiO2-nanoparticle-decorated bacteria-cellulose meta-skin with superior stability in water, excellent machining property, ultrathin thickness, and active bacteria-repairing capacity. We further develop functional ultrasonic metasurfaces based on meta-skin paper-cutting that can generate intricate patterns of ~10 μm precision. Benefited from the perfect ultrasound insulation of surface Cassie-Baxter states, we utilize meta-skin paper-cutting to design and fabricate ultrathin (~20 μm) and super-light (

Date: 2023
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DOI: 10.1038/s41467-023-41172-2

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