Featured issue: zinc oxide

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Preparation of Cobalt Oxide/Zinc Oxide Nanocomposite

Cobalt Oxide/ Zinc Oxide nanocomposite was synthesized by dropwise addition ofCo(NO)3.6H2O and Zn(NO3)2.4H2O solutions to KOH solution at different temperatures followed bycalcination at 300ºC for 4 h. The morphology and structure of nanoparticles and the influence oftemperature on particle size were studied using scanning electron microscopy (SEM) and X-RayDiffraction (XRD). Minimum particle s...

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Zinc oxide and gallium doped zinc oxide nanowires for optoelectronics

Zinc oxide (ZnO) nanostructures are become an important matter of study since they can be used in nanoscale optoelectronics for applications such as memory storage, logic circuits, solid-state gas-, bioor light-sensors, solar cells, field effect transistors, field effect displays, and short wavelength light emitting diodes. ZnO is a semiconductor with a direct and wide band-gap around 3.4 eV, a...

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Zinc oxide quantum rods.

Nanoscale zinc oxide (ZnO) rods of diameters close to the Bohr-exciton radius ( approximately 2 nm) can be prepared from a simple acetate precursor, resulting in ligand-capped rods of ZnO, highly dispersible in nonpolar solvents. Zinc oxide, ZnO, is a wide band-gap semiconductor with applications in blue/ultraviolet (UV) optoelectronic devices and piezoelectric devices. We observe self-assembly...

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Bicrystalline zinc oxide nanowires

Bicrystalline ZnO nanowires synthesized are composed of two crystals that form a twin structure parallel to the (0 1 1 4) plane with a growth direction closely parallel to [0 1 1 1] and the (2 1 1 0) side facet. The twin structure is suggested to be a key factor in leading the axial growth of the nanowire. The photoluminescence spectra of the nanowires show a weak UV emission at 385 nm and a st...

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ژورنال

عنوان ژورنال: Journal of Materials Science: Materials in Electronics

سال: 2012

ISSN: 0957-4522,1573-482X

DOI: 10.1007/s10854-012-0619-7