Brush in the bath of active particles: Anomalous stretching of chains and distribution of particles

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	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
刊名	JOURNAL OF CHEMICAL PHYSICS
	2015
卷号	143 期号:22 页码:224903
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.
英文摘要	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.
学科主题	Chemistry ; Physics
类目[WOS]	Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
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
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/20750]
专题	理论物理研究所_理论物理所1978-2010年知识产出
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.(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.