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Li, HS; Zhang, BK; Li, J; Tian, WD; Chen, K; Tian, WD (reprint author), Soochow Univ, Coll Phys Optoelect & Energy, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China.
Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles
Source PublicationJOURNAL OF CHEMICAL PHYSICS
Language英语
AbstractThe interaction between polymer brush and colloidal particles has been intensively studied in the last two decades. Here, we consider a flat chain-grafted substrate immersed in a bath of active particles. Simulations show that an increase in the self-propelling force causes an increase in the number of particles that penetrate into the brush. Anomalously, the particle density inside the main body of the brush eventually becomes higher than that outside the brush at very large self-propelling force. The grafted chains are further stretched due to the steric repulsion from the intruded particles. Upon the increase of the self-propelling force, distinct stretching behaviors of the chains were observed for low and high grafting densities. Surprisingly, we find a weak descent of the average end-to-end distance of chains at high grafting density and very large force which is reminiscent of the compression effect of a chain in the active bath. (C) 2015 AIP Publishing LLC.
2015
Volume143Issue:22Pages:224903
Subject AreaChemistry ; Physics
DOIhttp://dx.doi.org/10.1063/1.4936921
Indexed BySCI
Funding OrganizationNational Basic Research Program of China (973 Program) [2012CB821500] ; National Basic Research Program of China (973 Program) [2012CB821500] ; National Basic Research Program of China (973 Program) [2012CB821500] ; National Basic Research Program of China (973 Program) [2012CB821500] ; National Natural Science Foundation of China (NSFC) [21374073, 11074180, 21574096, 21474074] ; National Natural Science Foundation of China (NSFC) [21374073, 11074180, 21574096, 21474074] ; National Natural Science Foundation of China (NSFC) [21374073, 11074180, 21574096, 21474074] ; National Natural Science Foundation of China (NSFC) [21374073, 11074180, 21574096, 21474074]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20750
Collection理论物理所科研产出_SCI论文
Corresponding AuthorTian, WD (reprint author), Soochow Univ, Coll Phys Optoelect & Energy, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China.
Recommended Citation
GB/T 7714
Li, HS,Zhang, BK,Li, J,et al. Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles[J]. JOURNAL OF CHEMICAL PHYSICS,2015,143(22):224903.
APA Li, HS,Zhang, BK,Li, J,Tian, WD,Chen, K,&Tian, WD .(2015).Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles.JOURNAL OF CHEMICAL PHYSICS,143(22),224903.
MLA Li, HS,et al."Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles".JOURNAL OF CHEMICAL PHYSICS 143.22(2015):224903.
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