Deciphering buried air phases on natural and bioinspired superhydrophobic surfaces using synchrotron radiation-based X-ray phase-contrast imaging
Hu, ZH; Sun, M; Lv, M; Wang, LH; Shi, JY; Xiao, TQ; Cao, Y; Wang, J; Fan, CH; Wang, J (reprint author), South China Univ Technol, State Key Lab Luminescent Mat & Devices, Inst Polymer Optoelect Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China.; Fan, CH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, CAS Key Lab Interfacial Phys & Technol,Div Phys B, Shanghai 201800, Peoples R China.; Fan, CH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, CAS Key Lab Interfacial Phys & Technol,Bioimaging, Shanghai 201800, Peoples R China.
2016
发表期刊NPG ASIA MATERIALS
ISSN1884-4049
卷号8页码:-
文章类型期刊论文
摘要Superhydrophobicity is an important phenomenon in nature that inspires the design of numerous biomimetic functional materials. A superhydrophobic surface is expected to have a three-phase solid-liquid-vapor interface. To directly image the buried air phase in wetted superhydrophobic surfaces, we employed synchrotron radiation-based X-ray phase-contrast imaging to non-invasively probe the surfaces of natural lotus leaves and artificial carbon nanotube films in three dimensions. Reconstructed images of the three-phase distribution surrounding the superhydrophobic surfaces were presented with high resolution and contrast. Further extraction of the phases enabled direct analysis of the relationship between the surface morphology and its wetting property. We found that the protruding micro/nano-structures trapped a layer of air up to 14 mu m thick, which played an important role in the observed superhydrophobicity. Direct evidence of the presence of a buffer layer air cushion deepens our understanding of hydrophobicity and opens new opportunities for designing novel bioinspired materials.
DOI10.1038/am.2016.122
收录类别SCI
语种英语
WOS记录号WOS:000383415300005
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26467
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, J (reprint author), South China Univ Technol, State Key Lab Luminescent Mat & Devices, Inst Polymer Optoelect Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China.; Fan, CH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, CAS Key Lab Interfacial Phys & Technol,Div Phys B, Shanghai 201800, Peoples R China.; Fan, CH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, CAS Key Lab Interfacial Phys & Technol,Bioimaging, Shanghai 201800, Peoples R China.
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Hu, ZH,Sun, M,Lv, M,et al. Deciphering buried air phases on natural and bioinspired superhydrophobic surfaces using synchrotron radiation-based X-ray phase-contrast imaging[J]. NPG ASIA MATERIALS,2016,8:-.
APA Hu, ZH.,Sun, M.,Lv, M.,Wang, LH.,Shi, JY.,...&Fan, CH .(2016).Deciphering buried air phases on natural and bioinspired superhydrophobic surfaces using synchrotron radiation-based X-ray phase-contrast imaging.NPG ASIA MATERIALS,8,-.
MLA Hu, ZH,et al."Deciphering buried air phases on natural and bioinspired superhydrophobic surfaces using synchrotron radiation-based X-ray phase-contrast imaging".NPG ASIA MATERIALS 8(2016):-.
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