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Supported copper oxide nanosystems (CuxO, x = 1,2) were synthesized by chemical vapor deposition (CVD) on Al2O3 substrates. Structural and morphological characterization showed an evolution from polycrystalline Cu2O granular films to CuO samples with an entangled quasi 1-D morphology upon increasing the growth temperature from 350 to 550??C. For the first time, CVD copper oxide nanosystems were investigated...
Among the wide range of interesting potential applications for nanowires (NWs) of semiconducting oxides, we have focused our attention on the sensing properties of SnO2 NWs. SnO2 NWs networks were prepared using evaporation/condensation technique. The morphology, crystalline structure, and composition of nanowires structures were investigated using scanning and transmission electron microscopy, and...
Zinc oxide nanowire networks have been prepared using evaporation/condensation technique with a modified set-up that allows the control of the doping present in the gas phase during the growth. The doping process has been studied for the development of homo-junctions. ZnO nanowires with uniform copper addition first and then non-uniform doping distribution have been prepared. Morphology, crystalline...
ZnO, SnO2, Indium-tin oxide (ITO) nanostructures have been produced on glass substrates coated with a transparent conducting oxide (TCO) electrode for application in dye sensitized solar cells (DSC). Quasi one-dimensional (1D) nanostructures of different TCOs have been synthesized using the vapour transport-and-condensation technique. Nanostructures with different shape and aspect-ratio can be obtained...
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