Capacitively coupled shortwave radiofrequency fields (13.56 MHz) resistively heat low concentrations (1 ppm) of gold nanoparticles with a thermal power dissipation of 380 kW/g of gold. Smaller diameter gold nanoparticles (< 50 nm) heat at nearly twice the rate of larger diameter gold nanoparticles (50 nm), which is attributed to the higher resistivity of smaller gold nanostructures. A Joule heating model has been developed to explain this phenomenon and provides critical insights into the rational design and engineering of nanoscale materials for noninvasive thermal therapy of cancer. © 2009 Tsinghua University Press and Springer-Verlag GmbH.
CITATION STYLE
Moran, C. H., Wainerdi, S. M., Cherukuri, T. K., Kittrell, C., Wiley, B. J., Nicholas, N. W., … Cherukuri, P. (2009). Size-dependent joule heating of gold nanoparticles using capacitively coupled radiofrequency fields. Nano Research, 2(5), 400–405. https://doi.org/10.1007/s12274-009-9048-1
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