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题名:
A new association state of solutes in nanoconfined aqueous solutions
作者: Tu, YS; Zhao, L; Fang, HP
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2016
卷号: 59, 期号:11, 页码:-
关键词: solute association states ; reversible transition ; nanoconfined aqueous solutions ; free energy barrier
DOI: 10.1007/s11433-016-0271-x
通讯作者: Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China. ; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.
文章类型: 期刊论文
英文摘要: Recently, we have found a reversible transition between the dispersion and aggregation states of solute molecules in aqueous solutions confined in nanoscale geometry, where solutes exhibit distinct behavior in a new association state from that in the dispersion and aggregation states observed usually in macroscopic systems. However, it remains unknown whether this new association state of solute molecules found in nanoconfined systems would vanish with the system size increasing and approaching the macroscopic scale. Here, we achieve the phase diagram of solute association states by making the analyses of Gibbs free energy of solutes in nanoconfined aqueous solutions in detail. In the phase diagram, we observe a closed regime with a finite system size of nanoconfined aqueous solutions and a solute concentration range, only in which there exists the new association state of solutes with the reversible transition between the aggregation and dispersion states, and there indeed exists an upper limit of the system size for the new association state, around several tens nanometers. These findings regarding the intimate connection between the system size and the solute association behavior provides the comprehensive understanding of the association dynamics of solutes in nanoconfined environment.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000384561100003
ISSN号: 1674-7348
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26409
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Tu, YS,Zhao, L,Fang, HP. A new association state of solutes in nanoconfined aqueous solutions[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016-01-01,59(11):-.
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