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Nanocrystalline TiO2 anatase thin films have been prepared from alkoxide solution via sol-gel method. The effects of two protic solvents of methanol and ethanol of TiO2 thin films were systematically investigated under room temperature. The films were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), ultraviolet spectroscopy (UV-vis), current-voltage (I-V)...
A transparent semiconductor ZnO thin film was prepared using sol-gel method in which ethanol was used as a solvent. Then, the thin film was deposited on interdigitated electrode. The deposited ZnO thin film was annealed in furnace at 350°C for 2 hours. The influences of surface morphologies and material properties on the ZnO thin film were investigated. The morphologies of the annealed ZnO film were...
Micro interdigitated electrodes (IDE's) have successfully been fabricated and characterized amperometrically for the electrochemical detection of the pH concentration and bio-molecules. In the present work, aluminium (Al) is used act as the metal contact (electrodes) deposited on the silicon substrate using a thermal evaporator (PVD) vacuum coater. The simple conventional photolithography was applied...
The biological and medical fields have taken the full advantage of nanotechnology in the development of transducers and biochips which are capable of characterizing bio-molecules. The research about the characterisation of nanoelectrode transducer using biomolecule detection technique has been studied to understand the important relationship between the transducer and the nanostructure which leads...
This paper presents the fabrication and electrical characterization of a-Si micro and nano-gap structure. Conventional UV lithography technique and dry etching for a-Si layer with wet etching for Al surface processes are used to fabricate the micro and nanogap based on the standard CMOS technology and characterization of its conductivity. The electrical characterization are applied by using semiconductor...
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