Hydrophobic nanochannel self-assembled by amphipathic Janus particles confined in aqueous nano-space
Fang, G; Sheng, N; Jin, T; Xu, YS; Sun, H; Yao, J; Zhuang, W; Fang, HP
2018
发表期刊CHINESE PHYSICS B
ISSN1674-1056
卷号27期号:3页码:-
文章类型期刊论文
摘要Hydrophobic nanochannel plays a significant role in many physical, biological, and geological phenomena and exhibits impressive applications due to both its ubiquitous distribution and great ability to transport hydrophobic molecules, including various oils and gases. Based on theoretical modeling, we herein reveal that the amphipathic Janus nanoparticles have a large probability to self-assemble into uninterrupted hydrophobic nanochannels inside the aqueous nano-space, although there are large portions of the Janus nanoparticles to be hydrophilic. The key to this observation is the attractions between the hydrophobic regimes on neighboring amphipathic Janus particles through hydrophobic interaction in aqueous nano-space. More surprisingly, the permeation efficiency of hydrophobic molecules through the uninterrupted hydrophobic channel in Janus particles aggregate is even higher than that in the aggregate of hydrophobic particles. We note that the proposed amphipathic Janus particles can be transported to the appropriate positions by the water since the hydrophilic regimes still remain a strong particle-water interaction. We also note that most natural subsurface rocks are not completely hydrophobic or hydrophilic but have complex surfaces with inhomogeneous wetting property. Our work therefore provides a detailed molecular level understanding of the formation of underground strata as well as the new insight for constructing the artificial hydrophobic channels for various applications, such as the design of proppants to enhance the recovery of the unconventional oil/gas.
关键词Oil-water Interface Carbon Nanotubes Simulation Molecules Transport Channels Shale Nanoparticles Wettability Fabrication
DOI10.1088/1674-1056/27/3/030505
收录类别SCI
语种英语
WOS记录号WOS:000428435600005
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29034
专题中科院上海应用物理研究所2011-2018年
作者单位1.Fang, G
2.Sheng, N
3.Jin, T
4.Xu, YS
5.Sun, H
6.Yao, J
7.Zhuang, W
8.Fang, HP
推荐引用方式
GB/T 7714
Fang, G,Sheng, N,Jin, T,et al. Hydrophobic nanochannel self-assembled by amphipathic Janus particles confined in aqueous nano-space[J]. CHINESE PHYSICS B,2018,27(3):-.
APA Fang, G.,Sheng, N.,Jin, T.,Xu, YS.,Sun, H.,...&Fang, HP.(2018).Hydrophobic nanochannel self-assembled by amphipathic Janus particles confined in aqueous nano-space.CHINESE PHYSICS B,27(3),-.
MLA Fang, G,et al."Hydrophobic nanochannel self-assembled by amphipathic Janus particles confined in aqueous nano-space".CHINESE PHYSICS B 27.3(2018):-.
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