Carnivorous plants inspired shape-morphing slippery surfaces

被引：37

作者：

Han, Dong-Dong ^{[1
]}

Zhang, Yong -Lai ^{[1
]}

Chen, Zhao-Di ^{[1
]}

Li, Ji-Chao ^{[1
]}

Ma, Jia-Nan ^{[1
]}

Mao, Jiang -Wei ^{[1
]}

Zhou, Hao ^{[1
]}

Sun, Hong -Bo ^{[2
]}

机构：

[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

[2] Tsinghua Univ, Dept Precis Instrument, State Key Lab Precis Measurement Technol & Instrum, Beijing 100084, Peoples R China

来源：

OPTO-ELECTRONIC ADVANCES | 2023年 / 6卷 / 01期

基金：

中国国家自然科学基金;

关键词：

femtosecond laser fabrication; graphene oxide; moisture responsive actuators; slippery surface; bionic devices; GRAPHENE OXIDE; SILICONE OIL; WATER; PHOTOREDUCTION; PERISTOME; EMULSIONS; PREY;

D O I：

10.29026/oea.2023.210163

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Carnivorous plants, for instance, Dionaea muscipula and Nepenthes pitcher plant, inspired the innovation of advanced stimuli-responsive actuators and lubricant-infused slippery surfaces, respectively. However, hybrid bionic devices that combine the active and passive prey trapping capabilities of the two kinds of carnivorous plants remain a challenge. Herein, we report a moisture responsive shape-morphing slippery surface that enables both moisture responsive shape-morphing and oil-lubricated water repellency for simultaneous active-and passive-droplet manipulation. The moisture de -formable slippery surface is prepared by creating biomimetic microstructures on graphene oxide (GO) membrane via femtosecond laser direct writing and subsequent lubricating with a thin layer of oil on the laser structured reduced GO (LRGO) surface. The integration of a lubricant-infused slippery surface with an LRGO/GO bilayer actuator endows the actuator with droplet sliding ability and promotes the moisture deformation performance due to oil-enhanced water repel-lency of the inert layer (LRGO). Based on the shape-morphing slippery surface, we prepared a series of proof-of-concept actuators, including a moisture-response Dionaea muscipula actuator, a smart frog tongue, and a smart flower, demon-strating their versatility for active/passive trapping, droplet manipulation, and sensing.

引用

页数：11

共 57 条

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