期刊
NANO LETTERS
卷 14, 期 2, 页码 774-782出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl404128d
关键词
Self-assembly; directed assembly; Rayleigh-Plateau; volume-of-Fluid; hierarchical; nanoparticle assembly
类别
资金
- U.S. Department of Energy, Basic Energy Sciences, Materials Science and Engineering Division
- Oak Ridge National Laboratory by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy
- NSF [CBET-1235651, CBET-1235710]
- Consejo Nacional de Investigaciones Cientificias y Tecnicas (CONICET, Argentina) [PIP 844/2011]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1235710] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1235651] Funding Source: National Science Foundation
- EPSCoR
- Office Of The Director [1004083] Funding Source: National Science Foundation
A liquid metal filament supported on a dielectric substrate was directed to fragment into an ordered, mesoscale particle ensemble. Imposing an undulated surface perturbation on the filament forced the development of a single unstable mode from the otherwise. disperse, multimodal Rayleigh Plateau instability. The imposed mode paved the way for a hierarchical spatial fragmentation of the filament into particles, previously seen only at much larger scales. Ultimately, nanoparticle radius control is demonstrated using a,micrometer scale switch.
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