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A simple chemical route for the synthesis of amorphous carbon nanotube (a-CNT) manganese di oxide (MnO2) nanoflaky hybrid has been reported. The as prepared samples were characterized by x-ray diffraction (XRD), field emission scanning electron microscope (FESEM), transmission electron microscope (TEM) and Raman spectrometer. The electrochemical behaviour of the pure a-CNTs and hybrid samples has...
Multiwalled carbon nanotubes have been synthesized by direct current PECVD technique. Scanning electron microscope studies showed that the average diameter of the MWCNTs is ~ 20 nm with length several micrometer. It is found that the turn-on field and emission current density are dependent on the ambient temperature of the nanotubes. The turn-on field was found to decrease from 4.0 V/mum to 1.4 V/mum...
CdO thin films doped with Al have been prepared by radio frequency magnetron sputtering technique. The films were deposited on glass substrates at a temperature of 473 K and at a pressure of 0.1 mbar in (Ar + O2) atmosphere. The deposited films were characterized by studying X-ray diffraction, AFM image, XPS spectra, electrical conductivity and thermoelectric properties. Films with different atomic...
Nanocrystallites of cadmium sulfide (CdS) thin films have been deposited by radio frequency magnetron sputtering technique. XRD and TEM diffraction patterns have confirmed the nanocrystalline cubic CdS phase formation. The intensity of XRD peaks also increases with the increase of deposition time that implies that better crystallinity takes place at higher deposition time. TEM micrographs of the films...
Defects chemistry plays an important role in the origin of p-type conductivity in transparent CuAlO2 thin films. CuAlO2 thin film was deposited at room temperature by RF magnetron sputtering on glass and silicon substrates. Films were deposited with various O2 partial pressures in the Ar+O2 atmosphere. UV-Vis spectrophotometric measurement indicated the films were having transparency above 75% in...
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