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TiO2 were deposited by using one of the sol-gel methods, the spin coating method. The speed of the spin coater used can be adjusted up to 8000rpm, but in this study only 1000rpm, 2000rpm and 3000rpm was used. There are 3 level of speed with different annealing temperature to provide a fine differentiation in between each parameter. These parameters will be characterized by current-voltage (I–V), Atomic...
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...
In this research, the effect of precursor concentration of CuI thin film deposited by spraying technique was studied. The CuI concentration varies from 0.05M to 0.5M. The CuI solution was prepared by mixing the CuI powder with 50 ml of acetonitrile as a solvent. The deposition takes 15 min for 50ml at a constant temperature of 50°C. The result shows the CuI thin film properties strongly depends on...
Our work focuses on nanocomposited poly [2-methoxy, 5-(2′-ethyl-hexyloxy)-phenylenevinylene] (MEH-PPV) blend with carbon nanotube (CNTs) and titanium dioxide (TiO2). The conductivity under illumination of the nanocomposited MEH-PPV:CNTs:TiO2 thin film was investigated with the thickness increased. The conductivity showed decrement in value from 6.7 × 10−6 to 0.6 × 10−6 S/m as the thickness increased...
Aluminium doped Zinc oxide (ZnO) thin films were prepared through sol gel dip coating technique with various doping concentrations from 0 to 1.5 at.%. The thin films were characterized using X-ray Diffractometer (XRD), Field Emission Scanning Electron Microscope (FESEM), UV-Vis-NIR spectrophotometer and current voltage (I–V) measurement system. From the XRD analysis, increasing of doping concentration...
Three different type of materials i.e Au, Pt, and Pd have been investigated as metal contact on Titanium Dioxide (TiO2) thin films. These metal contacts have been deposited using sputter coating method. Meanwhile sol-gel spin coating method has been chosen to deposits TiO2 thin film. The ohmic contact characteristic of the three materials has been studied using Current-Voltage measurement.
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