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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
Source PublicationTHIN SOLID FILMS
KeywordIsotropic-phase
AbstractMonomer-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.
2008
ISSN0040-6090
Volume517Issue:4Pages:1424-1427
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5414
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, M , Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China,Peoples R China
Recommended Citation
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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