CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
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
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume27Issue:3Pages:-
Subtype期刊论文
AbstractHydrophobic 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.
KeywordOil-water Interface Carbon Nanotubes Simulation Molecules Transport Channels Shale Nanoparticles Wettability Fabrication
DOI10.1088/1674-1056/27/3/030505
Indexed BySCI
Language英语
WOS IDWOS:000428435600005
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29034
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Fang, G
2.Sheng, N
3.Jin, T
4.Xu, YS
5.Sun, H
6.Yao, J
7.Zhuang, W
8.Fang, HP
Recommended Citation
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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