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Concentration-induced shape transition of nano-aggregates in solution
Li, Ming; Ou-Yang, Zhong-can; Li, M , Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China,Peoples R China
2008
发表期刊THIN SOLID FILMS
ISSN0040-6090
卷号517期号:4页码:1424-1427
摘要Monomer-concentration-induced shape formation and transition are found to be very common in varieties of self-assembled soft matter nano-systems. In this paper, we present a theory, based on our previous studies, to explain the concentration-induced shape transition of multilamellar nano-aggregates in solution. We regard self-assembly (aggregation) as layer growth process which is controlled by monomer concentration due to the chemical equilibrium with the monomer solution. By considering mechanical balance between three sources of energy of the layer, the surface energy, the curvature elastic energy, and the internal cohesion energy gained in the aggregation process, we are able to relate the monomer concentration to shape transition of the layer by a simple equation. From this equation. we predict there is a critical monomer concentration (CTVC) below which the tube-to-vesicle shape transition could occur. Our theory are strongly supported by the fact that some parameters of the model are estimated to locate within the reasonable range of soft materials. (C) 2008 Elsevier B.V. All rights reserved.
部门归属[Li, M] Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China; [Ou-Yang, ZC] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Ou-Yang, ZC] Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
关键词Isotropic-phase
学科领域Physics
资助者National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
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收录类别SCI
资助者National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
WOS记录号WOS:000262189300025
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5414
专题理论物理所1978-2010年知识产出
通讯作者Li, M , Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China,Peoples R China
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GB/T 7714
Li, Ming,Ou-Yang, Zhong-can,Li, M , Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China,Peoples R China. Concentration-induced shape transition of nano-aggregates in solution[J]. THIN SOLID FILMS,2008,517(4):1424-1427.
APA Li, Ming,Ou-Yang, Zhong-can,&Li, M , Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China,Peoples R China.(2008).Concentration-induced shape transition of nano-aggregates in solution.THIN SOLID FILMS,517(4),1424-1427.
MLA Li, Ming,et al."Concentration-induced shape transition of nano-aggregates in solution".THIN SOLID FILMS 517.4(2008):1424-1427.
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