ITP OpenIR  > 理论物理所2015年知识产出
Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles
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.
2015
发表期刊JOURNAL OF CHEMICAL PHYSICS
卷号143期号:22页码:224903
文章类型Article
摘要The 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.
学科领域Chemistry ; Physics
资助者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 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]
DOIhttp://dx.doi.org/10.1063/1.4936921
关键词[WOS]MOLECULAR-DYNAMICS SIMULATION ; RESPONSIVE POLYMER BRUSHES ; SURFACE INTERACTIONS ; LUBRICATION FORCES ; GOLD NANOPARTICLES ; ARTIFICIAL CILIA ; FREE-ENERGY ; ORGANIZATION ; ADSORPTION ; NANOSENSORS
收录类别SCI
语种英语
资助者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 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]
WOS类目Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20750
专题理论物理所2015年知识产出
通讯作者Tian, WD (reprint author), Soochow Univ, Coll Phys Optoelect & Energy, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China.
推荐引用方式
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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