Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films
The poly(vinylidene fluoride)/CaCu3Ti4O12 (CCTO) nanocrystal composite films (thickness ≈85 µm) with relatively high dielectric permittivity (90 at 100 Hz) were prepared by the solution casting followed by spin coating technique. The structural, the microstructural and...
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| Language: | English |
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Budapest University of Technology and Economics
2010-10-01
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| Series: | eXPRESS Polymer Letters |
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| Online Access: | http://www.expresspolymlett.com/letolt.php?file=EPL-0001503&mi=cd |
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| description | The poly(vinylidene fluoride)/CaCu3Ti4O12 (CCTO) nanocrystal composite films (thickness ≈85 µm) with relatively high dielectric permittivity (90 at 100 Hz) were prepared by the solution casting followed by spin coating technique. The structural, the microstructural and the dielectric properties of the composites were studied using X-ray diffraction, Scanning Electron Microscope, and Impedance analyzer respectively. The effective dielectric permittivity (εeff) of the composite increased with increase in the volume fraction of CCTO at all the frequencies (100 Hz to 1 MHz) under investigation. The room temperature dielectric permittivity which is around 90 at 100 Hz, has increased to about 290 at 125°C (100 Hz). These results may be exploited in the development of high energy density capacitors. |
| format | Article |
| id | doaj-art-55c1b68122ce4e8597e6d05c96b15fc4 |
| institution | Kabale University |
| issn | 1788-618X |
| language | English |
| publishDate | 2010-10-01 |
| publisher | Budapest University of Technology and Economics |
| record_format | Article |
| series | eXPRESS Polymer Letters |
| spelling | doaj-art-55c1b68122ce4e8597e6d05c96b15fc42025-08-20T03:56:12ZengBudapest University of Technology and EconomicseXPRESS Polymer Letters1788-618X2010-10-0141063264310.3144/expresspolymlett.2010.78Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick filmsThe poly(vinylidene fluoride)/CaCu3Ti4O12 (CCTO) nanocrystal composite films (thickness ≈85 µm) with relatively high dielectric permittivity (90 at 100 Hz) were prepared by the solution casting followed by spin coating technique. The structural, the microstructural and the dielectric properties of the composites were studied using X-ray diffraction, Scanning Electron Microscope, and Impedance analyzer respectively. The effective dielectric permittivity (εeff) of the composite increased with increase in the volume fraction of CCTO at all the frequencies (100 Hz to 1 MHz) under investigation. The room temperature dielectric permittivity which is around 90 at 100 Hz, has increased to about 290 at 125°C (100 Hz). These results may be exploited in the development of high energy density capacitors.http://www.expresspolymlett.com/letolt.php?file=EPL-0001503&mi=cdPolymer compositesPoly (vinylidene fluoride)CaCu3Ti4O12 oxideNanocompositeElectrical properties |
| spellingShingle | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films eXPRESS Polymer Letters Polymer composites Poly (vinylidene fluoride) CaCu3Ti4O12 oxide Nanocomposite Electrical properties |
| title | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films |
| title_full | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films |
| title_fullStr | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films |
| title_full_unstemmed | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films |
| title_short | Dielectric properties of poly(vinylidene fluoride)/CaCu3Ti4O12 nanocrystal composite thick films |
| title_sort | dielectric properties of poly vinylidene fluoride cacu3ti4o12 nanocrystal composite thick films |
| topic | Polymer composites Poly (vinylidene fluoride) CaCu3Ti4O12 oxide Nanocomposite Electrical properties |
| url | http://www.expresspolymlett.com/letolt.php?file=EPL-0001503&mi=cd |