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Lisa A. Fredin, Zhong Li, Mark A. Ratner, Michael T. Lanagan and Tobin J. Marks Enhanced Energy Storage and Suppressed Dielectric Loss in Oxide Core–Shell–Polyolefin Nanocomposites by Moderating Internal Surface Area and Increasing Shell Thickness Advanced Materials 24

Version of Record online: 27 AUG 2012 | DOI: 10.1002/adma.201202183

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Dielectric loss in metal oxide core/Al2O3 shell polypropylene nanocomposites scales with the particle surface area. By moderating the interfacial surface area between the phases and using increasing shell thicknesses, dielectric loss is significantly reduced, and thus the energy stored within, and recoverable from, capacitors fabricated from these materials is significantly increased, to as high as 2.05 J/cm3.

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