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. 2019 Sep 13;10:4191. doi: 10.1038/s41467-019-12217-2

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — Active colloidal tweezers. a Resonance wavelength and temperature rise of the nanodisk immersed in water plotted as a function of disk diameter. b Design of an ACT formed by integration of the plasmonic nanodisk with a dielectric nanorod. c Brownian diffusivities⁵⁵ of nanorods as a function of length, along parallel and perpendicular directions to the long axis. d Scanning electron microscope (SEM) image of an array of ACTs on the substrate. Scale bar is 500 nm. e Transmission electron microscope (TEM) image of the single ACT released from the substrate. Scale bar is 300 nm