Improved dielectric properties of PVDF polymer composites filled with Ag nanomaterial deposited reduced graphene oxide (rGO) hybrid particles
| dc.contributor.author | Tuichai, Wattana | |
| dc.contributor.author | Karaphun, Attaphol | |
| dc.contributor.author | Ruttanapun, Chesta | |
| dc.date.accessioned | 2026-08-06T10:36:13Z | |
| dc.date.available | 2026-08-06T10:36:13Z | |
| dc.date.issued | 2022-01-01 | |
| dc.description.abstract | We report a method to improve the dielectric constant (ε′) of polyvinylidene fluoride (PVDF) composites by using a low content of Ag nanomaterials deposited reduced Graphene Oxide (rGO) Hybrid Particles (Ag-rGO HPs). The Ag-rGO HPs are prepared by a reaction between silver nitrate and ethylene glycol in a seed-mediated growing process. The dispersion of Ag nanomaterials was completely homogeneous on the surface of rGO nanosheets with particle sizes of 5.765 ± 0.189 nm. The Ag-rGO HPs/PVDF composites were produced by a liquid–phase assisted dispersion and hot-pressing methods. The high ε′ at 10<sup>3</sup> Hz for Ag-rGO/PVDF composites with f<inf>Ag-rGO</inf> 7.8, and 11.9 vol% was 153 and 683, respectively. The best-fitting curve was completely achieved in percolation theory by adjusting f<inf>c</inf> = 14 vol%. The high ε′ (683 at 1 kHz) of Ag-rGO/PVDF could be explained by Maxwell Wagnare Sillars interfacial polarization and micro-capacitor due to the formation of a sandwich between Ag-rGO and PVDF. | |
| dc.identifier.citation | Materials Research Bulletin, 145, 2022 | |
| dc.identifier.doi | 10.1016/j.materresbull.2021.111552 | |
| dc.identifier.issn | 00255408 | |
| dc.identifier.other | 2-s2.0-85114728392 | |
| dc.identifier.uri | https://dspace.kmitl.ac.th/handle/123456789/13008 | |
| dc.source | Materials Research Bulletin | |
| dc.subject | Ag nanomaterials | |
| dc.subject | Dielectric properties | |
| dc.subject | Polymeric composites | |
| dc.subject | Polyvinylidene fluoride (PVDF) | |
| dc.subject | Reduced graphene oxide (rGO) | |
| dc.title | Improved dielectric properties of PVDF polymer composites filled with Ag nanomaterial deposited reduced graphene oxide (rGO) hybrid particles | |
| dc.type | Article |