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On-line Access: 2022-06-14
Received: 2021-10-15
Revision Accepted: 2022-03-10
Crosschecked: 2022-06-14
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Laser-induced jigsaw-like graphene structure inspired by Oxalis corniculata Linn. leaf
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Wentao Wang, Longsheng Lu, Xiaoyu Lu, Zhanbo Liang, Biao Tang & Yingxi Xie. Laser-induced jigsaw-like graphene structure inspired by Oxalis corniculata Linn. leaf[J]. Journal of Zhejiang University Science D, 2022, 5(4): 700-713.
@article{title="Laser-induced jigsaw-like graphene structure inspired by Oxalis corniculata Linn. leaf",
author="Wentao Wang, Longsheng Lu, Xiaoyu Lu, Zhanbo Liang, Biao Tang & Yingxi Xie",
journal="Journal of Zhejiang University Science D",
volume="5",
number="4",
pages="700-713",
year="2022",
publisher="Zhejiang University Press & Springer",
doi="10.1007/s42242-022-00197-0"
}
%0 Journal Article
%T Laser-induced jigsaw-like graphene structure inspired by Oxalis corniculata Linn. leaf
%A Wentao Wang
%A Longsheng Lu
%A Xiaoyu Lu
%A Zhanbo Liang
%A Biao Tang & Yingxi Xie
%J Journal of Zhejiang University SCIENCE D
%V 5
%N 4
%P 700-713
%@ 1869-1951
%D 2022
%I Zhejiang University Press & Springer
%DOI 10.1007/s42242-022-00197-0
TY - JOUR
T1 - Laser-induced jigsaw-like graphene structure inspired by Oxalis corniculata Linn. leaf
A1 - Wentao Wang
A1 - Longsheng Lu
A1 - Xiaoyu Lu
A1 - Zhanbo Liang
A1 - Biao Tang & Yingxi Xie
J0 - Journal of Zhejiang University Science D
VL - 5
IS - 4
SP - 700
EP - 713
%@ 1869-1951
Y1 - 2022
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1007/s42242-022-00197-0
Abstract: The laser scribing of polyimide (PI, Kapton) film is a new, simple and effective method for graphene preparation. Moreover, the superhydrophobic surface modification can undoubtedly widen the application fields of graphene. Herein, inspired by the hydrophobic and self-cleaning properties of natural oxalis corniculata Linn. leaves, we propose a novel bionic manufacturing method for superhydrophobic laser-induced graphene (LIG). By tailoring the geometric parameters (size, roughness and height/area ratio) and chemical composition, the three-dimensional (3D) multistage LIG, i.e., with micro-jigsaw-like and porous structure, can deliver a static water contact angle (WCA) of 153.5° ± 0.6°, a water sliding angle (WSA) of 2.5° ± 0.5°, and great superhydrophobic stability lasting for 100 days (WCAs ≈ 150°). This outstanding water repellency is achieved by the secondary structure of jigsaw-like LIG, a porous morphology that traps air layers at the solid–liquid interface. The robust self-cleaning and anti-stick functions of 3D bionic and multistage LIG are demonstrated to confirm its great potential in wearable electronics.
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