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DOI10.1021/acsami.0c12504
Cellulose-Based Superhydrophobic Surface Decorated with Functional Groups Showing Distinct Wetting Abilities to Manipulate Water Harvesting
Huang, Wei; Tang, Xiangyu; Qiu, Zhe; Zhu, Wenxin; Wang, Yonggui; Zhu, You-Liang; Xiao, Zefang; Wang, Haigang; Liang, Daxin; Li, Jian; Xie, Yanjun
通讯作者Wang, YG ; Xie, YJ
来源期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
EISSN1944-8252
出版年2020
卷号12期号:36页码:40968-40978
英文摘要Inspired by the distinct functions of desert beetles with efficient droplet nucleation and lotus leaves with excellent droplet removal, an integrated method is presented for the design of a superhydrophobic surface decorated with hydrophilic groups that can efficiently nucleate and remove water droplets. We constructed a cellulose-based superhydrophobic surface containing numerous olefin terminal groups by solvent exchange and spray coating. This surface is different from most of the reported biomimicking water harvesting surfaces that rely on complicated lithography and micropatterning techniques requiring special instruments. The obtained superhydrophobic surface was further modified using various thiol compounds via a thiol-ene reaction to manipulate the water harvesting property. The modified surfaces containing hydrophobic groups (e.g., 1-octadecanethiol and 1H,1H,2H,2H-perfluorodecanethiol) or a strong hydrophilic group (e.g., 3-mercaptopropionic acid and 6-mercapto-1-hexanol) exhibited insufficient fog collecting abilities due to poor water droplet nucleation or strong water adhesion. By contrast, the modified surface decorated with moderately hydrophilic amino groups combines the advantages of biological surfaces with distinct wetting features (such as fog-harvesting beetles and water-repellent lotus leaves), resulting in accelerated water nucleation and less compromise of the water removal efficiency. Molecular dynamic simulations revealed that the efficient droplet nucleation is attributed to the hydrophilic amino groups whereas the rapid droplet removal is due to the maintained superhydrophobicity of the amino group-modified surface. This strategy of decorating a superhydrophobic surface with moderately hydrophilic functional groups provides insight into the manipulation of droplet nucleation and removal for water collection efficiency.
英文关键词water harvesting superhydrophobic bioinspired surface modification molecular-level hydrophilic domains cellulose
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000571433500105
WOS关键词ENHANCED CONDENSATION ; DROPWISE CONDENSATION ; NANOCELLULOSE FILMS ; COLLECTION ; NANO ; WETTABILITY ; SIMULATION ; NUCLEATION
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS研究方向Science & Technology - Other Topics ; Materials Science
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/326406
作者单位[Huang, Wei; Tang, Xiangyu; Qiu, Zhe; Zhu, Wenxin; Wang, Yonggui; Xiao, Zefang; Wang, Haigang; Liang, Daxin; Li, Jian; Xie, Yanjun] Northeast Forestry Univ, Key Lab Biobased Mat Sci & Technol, Minist Educ, Coll Mat Sci & Engn, Harbin 150040, Peoples R China; [Zhu, You-Liang] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130022, Peoples R China; [Xie, Yanjun] Northeast Forestry Univ, Engn Res Ctr Adv Wooden Mat, Minist Educ, Coll Mat Sci & Engn, Harbin 150040, Peoples R China
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Huang, Wei,Tang, Xiangyu,Qiu, Zhe,et al. Cellulose-Based Superhydrophobic Surface Decorated with Functional Groups Showing Distinct Wetting Abilities to Manipulate Water Harvesting[J],2020,12(36):40968-40978.
APA Huang, Wei.,Tang, Xiangyu.,Qiu, Zhe.,Zhu, Wenxin.,Wang, Yonggui.,...&Xie, Yanjun.(2020).Cellulose-Based Superhydrophobic Surface Decorated with Functional Groups Showing Distinct Wetting Abilities to Manipulate Water Harvesting.ACS APPLIED MATERIALS & INTERFACES,12(36),40968-40978.
MLA Huang, Wei,et al."Cellulose-Based Superhydrophobic Surface Decorated with Functional Groups Showing Distinct Wetting Abilities to Manipulate Water Harvesting".ACS APPLIED MATERIALS & INTERFACES 12.36(2020):40968-40978.
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