Vampire bat's tongue-inspired superhydrophilic flexible origami channel for directional and spontaneous liquid manipulation

Ye, Zhihang; Zhao, Jingyi; Tong, Qianrui; Wang, Xinsheng; Sun, He; Bai, Haoyu; Liu, Kesong; Cao, Moyuan

doi:10.1039/d4ta02252a

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta02252a

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Vampire bat's tongue-inspired superhydrophilic flexible origami channel for directional and spontaneous liquid manipulation

Zhihang Ye,

Jingyi Zhao,

Qianrui Tong

et al.

Abstract: Achieving continuous, directional fluid manipulation without external energy input is promising in current systems. However, designing a spontaneous fluid manipulating system with the ability of simplified fabrication, deformation, and integration...

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Cited by 3 publications

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Laser-Constructed Bionic Composite Fog-Collecting Surfaces with Efficient Nucleation Sites and Enhanced Water Transport

Zhou,

Zhu,

Zhao

et al. 2024

Langmuir

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Laser-Constructed Bionic Composite Fog-Collecting Surfaces with Efficient Nucleation Sites and Enhanced Water Transport

Zhou,

Zhu,

Zhao

et al. 2024

Langmuir

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Leaf Vein-Inspired Superhydrophilic Microchannels for Sustainable Fog Collection

Wang,

Huang,

Gao

et al. 2024

ACS Appl. Mater. Interfaces

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Fog collection is a promising solution for mitigating the urgent water shortage around the world. Despite the delicate design of various bionic fog harvesting surfaces with prowess to enable fast fog capture and programmed water transport, achieving sustainable and efficient fog collection by regulating the macroscale surface refreshment efficacy remains rarely concerned yet is effective. Here, we proposed a bioinspired structural design to achieve significant improvement on the surface refreshment efficacy to 46.47%, nearly 5 times larger than that of conventional design. Specifically, we constructed superhydrophilic vein-like microchannels on a superhydrophobic brass surface by using laser texture technology and hydrothermal treatment. Our microchannel design acts as a "highway" for synergically transporting and converging the collected fog droplets, as well as rapidly refreshing large surface area for the subsequent fog collection, reminiscent of the leaf veins responsible for the persistent mass transport between plant tissues. The practical implementation also convinced our design of a maximum water collection efficiency of up to 506.67 mg cm −2 h −1 and a long-term performance stability within a 10 h test. Our design is generic to most of the fog harvesting materials, showing great application potential for efficient atmospheric fog collection.

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Optimized Gas–Liquid Transport via Local Flow Field Management for Efficient Overall Water Splitting

Ji,

Yao,

Wang

et al. 2024

ACS Energy Lett.

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Vampire bat's tongue-inspired superhydrophilic flexible origami channel for directional and spontaneous liquid manipulation

Abstract: Achieving continuous, directional fluid manipulation without external energy input is promising in current systems. However, designing a spontaneous fluid manipulating system with the ability of simplified fabrication, deformation, and integration...

Cited by 3 publications

References 49 publications

Laser-Constructed Bionic Composite Fog-Collecting Surfaces with Efficient Nucleation Sites and Enhanced Water Transport

Laser-Constructed Bionic Composite Fog-Collecting Surfaces with Efficient Nucleation Sites and Enhanced Water Transport

Leaf Vein-Inspired Superhydrophilic Microchannels for Sustainable Fog Collection

Optimized Gas–Liquid Transport via Local Flow Field Management for Efficient Overall Water Splitting

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