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Type: 
Journal
Description: 
Graphene–epoxy flexible capacitors are obtained by graphene–polymer transfer and bonding via UV‐cured epoxy adhesive. Ceramic fillers are dispersed into the epoxy resin with the aim of enhancing the capacitive behavior of the final device. Parallel plate capacitors in which epoxy resin is filled with ceramic nanoparticles demonstrate superior performance, up to two orders of magnitude better than unfilled samples. Zirconia, showing the highest dielectric constant, fails to give a stable output in the whole frequency range, as some competing phenomena occur and reduce the overall polarization of the system. Boehmite appears to be a better choice and gives reasonable performances, better than gibbsite
Publisher: 
Publication date: 
1 Apr 2015
Authors: 

Marco Sangermano, Gianfranco Buzzerio, Rita Rizzoli, Luca Ortolani, Vittorio Morandi, Fabrizio Pirri, Alessandro Chiolerio

Biblio References: 
Volume: 216 Issue: 7 Pages: 707-713
Origin: 
Macromolecular Chemistry and Physics