Please use this identifier to cite or link to this item: https://doi.org/10.1021/nl302788g
Title: Electron beam manipulation of nanoparticles
Authors: Zheng, H.
Mirsaidov, U.M.
Wang, L.-W.
Matsudaira, P. 
Keywords: directed assembly
Electron beam trap
liquid cell
nanoparticle interaction
nanoscale manipulation
TEM
Issue Date: 14-Nov-2012
Citation: Zheng, H., Mirsaidov, U.M., Wang, L.-W., Matsudaira, P. (2012-11-14). Electron beam manipulation of nanoparticles. Nano Letters 12 (11) : 5644-5648. ScholarBank@NUS Repository. https://doi.org/10.1021/nl302788g
Abstract: We report on electron beam manipulation and simultaneous transmission electron microscopy imaging of gold nanoparticle movements in an environmental cell. Nanoparticles are trapped with the beam and move dynamically toward the location with higher electron density. Their global movements follow the beam positions. Analysis on the trajectories of nanoparticle movements inside the beam reveals a trapping force in the piconewton range at the electron density gradient of 103-104 (ėnm-2̇s -1)̇nm-1. Multiple nanoparticles can also be trapped with the beam. By rapidly converging the beam, we further can "collect" nanoparticles on the membrane surface and assemble them into a cluster. © 2012 American Chemical Society.
Source Title: Nano Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/100567
ISSN: 15306984
DOI: 10.1021/nl302788g
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