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题名: A New Self-Consistent Field Model of Polymer/Nanoparticle Mixture
作者: Chen, K ;  Li, HS ;  Zhang, BK ;  Li, J ;  Tian, WD
刊名: SCIENTIFIC REPORTS
出版日期: 2016
卷号: 6, 页码:20355
学科分类: Science & Technology - Other Topics
DOI: http://dx.doi.org/10.1038/srep20355
通讯作者: Chen, K ;  Tian, WD (reprint author), Soochow Univ, Coll Phys Optoelect & Energy, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China. ;  Chen, K ;  Tian, WD (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Field-theoretical method is efficient in predicting assembling structures of polymeric systems. However, it's challenging to generalize this method to study the polymer/nanoparticle mixture due to its multi-scale nature. Here, we develop a new field-based model which unifies the nanoparticle description with the polymer field within the self-consistent field theory. Instead of being "ensemble-averaged" continuous distribution, the particle density in the final morphology can represent individual particles located at preferred positions. The discreteness of particle density allows our model to properly address the polymer-particle interface and the excluded-volume interaction. We use this model to study the simplest system of nanoparticles immersed in the dense homopolymer solution. The flexibility of tuning the interfacial details allows our model to capture the rich phenomena such as bridging aggregation and depletion attraction. Insights are obtained on the enthalpic and/or entropic origin of the structural variation due to the competition between depletion and interfacial interaction. This approach is readily extendable to the study of more complex polymer-based nanocomposites or biology-related systems, such as dendrimer/drug encapsulation and membrane/particle assembly.
类目[WOS]: Multidisciplinary Sciences
关键词[WOS]: POLYMER NANOCOMPOSITES ;  BLOCK-COPOLYMERS ;  NANOSCALE RODS ;  NANOPARTICLES ;  SIMULATION ;  PARTICLE ;  MELTS ;  COMPOSITES ;  NANOSTRUCTURES ;  BINARY
收录类别: SCI
项目资助者: National Basic Research Program of China (973 Program) [2012CB821500] ;  National Natural Science Foundation of China (NSFC) [21374073, 21574096, 21474074]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21789
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Chen, K,Li, HS,Zhang, BK,et al. A New Self-Consistent Field Model of Polymer/Nanoparticle Mixture[J]. SCIENTIFIC REPORTS,2016,6:20355.
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