Asymmetric nanoparticle may go "active" at room temperature
Sheng, N; Tu, YS; Guo, P; Wan, RZ; Wang, ZW; Fang, HP
2017
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
卷号60期号:4页码:-
文章类型期刊论文
摘要Using molecular dynamics simulations, we show that an asymmetrically shaped nanoparticle in dilute solution possesses a spontaneously curved trajectory within a finite time interval, instead of the generally expected random walk. This unexpected dynamic behavior has a similarity to that of active matters, such as swimming bacteria, cells, or even fish, but is of a different physical origin. The key to the curved trajectory lies in the non- zero resultant force originated from the imbalance of the collision forces acted by surrounding solvent molecules on the asymmetrically shaped nanoparticle during its orientation regulation. Theoretical formulae based on microscopic observations have been derived to describe this non- zero force and the resulting motion of the asymmetrically shaped nanoparticle.
关键词Asymmetric Nanoparticle Curved Trajectory Active
DOI10.1007/s11433-016-900-x
收录类别SCI
语种英语
WOS记录号WOS:000397670500003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27260
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Sheng, N,Tu, YS,Guo, P,et al. Asymmetric nanoparticle may go "active" at room temperature[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2017,60(4):-.
APA Sheng, N,Tu, YS,Guo, P,Wan, RZ,Wang, ZW,&Fang, HP.(2017).Asymmetric nanoparticle may go "active" at room temperature.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,60(4),-.
MLA Sheng, N,et al."Asymmetric nanoparticle may go "active" at room temperature".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 60.4(2017):-.
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