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Innovative advance dielectric materials were utilized to fabricate novel thin film capacitor device. This includes ceramic and polymeric material combination which is considered to enhance the dielectric polarization. The dielectric film presented in the study focused on PbTiO3/PVDF-TrFE which was prepared through layer-by-layer spin coating deposition method. The PVDF-TrFE coating was aimed to encapsulate...
Hybrid composited material like polymer-ceramic will improve the reliability factor of the device. Yet, the motivation still goes on to produce high performance device. In this study, the impedance analysis on bilayer films lead titanate and poly(vinyledenefluoride-trifluoroethylene) yield to the semicircle cole-cole plot with added slanted spike results. This presents the double layer capacitance...
Metal–insulator–metal (MIM) capacitors based on lead titanate (PbTiO3) nanofilms were prepared using a novel method involving modified spin coating onto the bare electrodes of a coated glass. Different solutions were prepared by adding different concentrations of lead acetate (PbAc) powder to improve the electrical properties of the PbTiO3 films. The nanofilms were characterized in terms of their...
An organic semiconductor have been discovered and commercialized for many application particularly in organic light-emitting diodes (OLEDs). In OLEDs application, the organic materials play the role of emitting light once the current is passed through. The electrical properties and surface morphology study are investigated for poly [2-methoxy-5(2'-ethylhexyloxy)-phenylene vinylene) (MEH-PPV) with...
The use of high dielectric material for thin films capacitor has been known since the first ferroelectric materials were introduced. The capability to store large energy density would be the ideal criteria to pursue nanoscaled films capacitor applications. Nowadays, capacitor device becomes complex device rather than just focus at single function where ferroelectric material get involves. In this...
Development of innovative device design was fully utilized to fabricate hybrid composited PVDF-TrFE/PbTiO3 that having bilayered films capacitors. Step by step of layer deposition trough spin coating method had performed an optimal thickness of ∼ 319 nm PbTiO3 first layer and ∼470 nm polymer second layer. It was found that averagely 55.6 nm multigrain size of PbTiO3 performed high densification films...
Nanocomposite based on zinc oxide (ZnO) nanostructures and poly [2-methoxy-5(2'-ethylhexyloxy)-phenylene vinylene) (MEH-PPV) of various weight percent have been obtained using sol-gel method. The substrates were deposit at 0.1 wt% to 0.4 wt% of ZnO with pure MEH-PPV to investigate the concentration effect of MEH-PPV/ZnO nanocomposite. The structural properties were characterized using FESEM and AFM...
Thin films capacitor is one of the most potential devices for storage application. This study managed to perform high performance thin films fabrication through low cost spin coating method and prepared at low annealing temperatures. On top of that, the role of substrate is also being discussed in order to improve the dielectric and ferroelectric property of the nano-thickness thin films. As in our...
Zinc Oxide (ZnO) is a metal oxide semiconductor that used for organic light emitting diode (OLEDs) applications. The ZnO nanotetrapods nanotetrapod of various time depositions has been synthesized using thermal chemical vapor deposition (thermal-CVD) method. In this study, the synthesizations were deposit at 30 minutes and 50 minutes to investigate the time deposition effect of ZnO nanotetrapods....
In the production of nanostructured TiO2, the annealing temperature for the film is differed to clarify that by the use of different temperature in annealing the film, the best temperature to get a good mobility for the current flow can be found. There are 7 samples with different drying temperature and different annealing temperature. The ones with different drying are not annealed and the other...
The thin films of lead titanate (PbTiO3) have been prepared on ITO coated glass substrate by means of storage element for DC power application. The solution was prepared by modified sol-gel process that involved sonication process to ensure the uniform nanoparticulates formation before ageing stage take parts. In the need to compensate the lead loss, extra 10mol% of Pb content was added to the solution...
Lead based titanate (PbTiO3) is one of ferroelectric ceramic family that has been widely investigated of its dielectric property towards high capacitance passive device, i.e. capacitor. It has been known that high annealing temperature is needed to perform perfect crystal level of ferroelectric ceramic that is averagely 650°C done by using crystalline Si substrate with Pt/Ti as intermediate layer...
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