ICCAS OpenIR
Three-Level Biomimetic Rice-Leaf Surfaces with Controllable Anisotropic Sliding
Wu, Dong1; Wang, Jian-Nan1; Wu, Si-Zhu1; Chen, Qi-Dai1; Zhao, Shuai1; Zhang, Hao1; Sun, Hong-Bo1,3; Jiang, Lei2
2011-08-09
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Volume21Issue:15Pages:2927-2932
AbstractRice leaves with anisotropic sliding properties have the ability to directionally control the movement of water microdroplets. However, the realization of artificial anisotropic sliding biosurfaces has remained challenging. It is found, by a systematic investigation, that the height of 200-mu m-width groove arrays on rice leaves reaches up to 45 mu m, far greater than the smaller microgrooves that are widely adopted for the study of anisotropic wetting. A new model based on three-level microstructures (macro/micro/nano) is developed to interpret the anisotropic sliding behavior. Moreover, artificial rice leaves with different macrogrooves are demonstrated by combining micro/nanostructures and macrogrooves, which are prepared by photolithography, PDMS imprinting, and micro/nanostructure coating. Sliding-angle measurement further prove that the third-level macrogroove arrays are the determining factor for anisotropic sliding. Finally, a new testing method, curvature-assisted droplet oscillation (CADO), is developed to quantitatively reveal the anisotropic dynamic behavior of biomimetic rice-leaf-like surfaces.
DOI10.1002/adfm.201002733
Indexed BySCI
Language英语
WOS IDWOS:000294164900015
PublisherWILEY-BLACKWELL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72808
Collection中国科学院化学研究所
Corresponding AuthorWu, Dong
Affiliation1.Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Peoples R China
2.Chinese Acad Sci, Ctr Mol Sci, Inst Chem, Beijing 10190, Peoples R China
3.Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
Recommended Citation
GB/T 7714
Wu, Dong,Wang, Jian-Nan,Wu, Si-Zhu,et al. Three-Level Biomimetic Rice-Leaf Surfaces with Controllable Anisotropic Sliding[J]. ADVANCED FUNCTIONAL MATERIALS,2011,21(15):2927-2932.
APA Wu, Dong.,Wang, Jian-Nan.,Wu, Si-Zhu.,Chen, Qi-Dai.,Zhao, Shuai.,...&Jiang, Lei.(2011).Three-Level Biomimetic Rice-Leaf Surfaces with Controllable Anisotropic Sliding.ADVANCED FUNCTIONAL MATERIALS,21(15),2927-2932.
MLA Wu, Dong,et al."Three-Level Biomimetic Rice-Leaf Surfaces with Controllable Anisotropic Sliding".ADVANCED FUNCTIONAL MATERIALS 21.15(2011):2927-2932.
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