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Kinematics of gold nanoparticles manipulation in situ transmission electron microscopy

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Abstract

Nanostructured materials such as nanoparticles, nanotubes, and nanowires are subject to different forces regimes compared with their macroscopic counterparts. In this work, we report the experimental manipulation of an individual gold nanoparticle (96 nm) capped with PVP considering forces surrounding the nanoparticle such as adhesion, friction, and the external load in real time, and how the differences between these forces produce distinct motions. Combining a scanning probe tool within a transmission electron microscope, we manipulated a gold nanoparticle and recorded the sliding and rolling kinematic motions. Our observations show quantitatively the adhesion force, maximum rolling resistance, and friction coefficients of the probe and the surface of the capped particle as well as particle and substrate surface.

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Acknowledgments

This project was supported by grants from the National Center for Research Resources (5 G12RR013646-12) and the National Institute on Minority Health and Health Disparities (G12MD007591) from the National Institutes of Health. We also thank support from NSF grants DMR-1103730 and NSF PREM Grant # DMR 0934218. Finally, the authors would like to acknowledge the Department of Defense #64756-RT-REP and the Welch Foundation grant award # AX-1615.

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Correspondence to Miguel José-Yacamán.

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Alducin, D., Casillas, G., Mendoza-Santoyo, F. et al. Kinematics of gold nanoparticles manipulation in situ transmission electron microscopy. J Nanopart Res 17, 203 (2015). https://doi.org/10.1007/s11051-015-2898-4

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  • DOI: https://doi.org/10.1007/s11051-015-2898-4

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