Wurtzite-structured materials, such as ZnO, ZnS, GaN, and AlN, have an important characteristic: the presence of polar surfaces that result from cationor anion-terminated atomic planes. Consequently, a series of novel nanostructures, such as nanosprings, nanorings, nanohelices, and nanobows, have been formed. The mechanism that drives the formation of these novel configurations minimizes the el...

The antibacterial and antibiofilm activity of chemically synthesized pure and Cu doped ZnO nanoparticles against marine biofilm forming bacteria has been reported for the first time. The synthesized nanoparticles were characterized using PXRD, FTIR and SEM which confirmed the formation of phase pure nanostructured zinc oxides. The antibacterial and antibiofilm activities of the synthesized nano...

Gallium doped zinc oxide (GZO) thin films have been prepared by a simple sol–gel spin coating technique. XRD results showed the preferential c-axis orientation of the crystallites and the presence of the wurtzite phase of ZnO. A lowest resistivity of 3.3 × 10−3 cm was obtained for the ZnO film doped with 2 at% of Ga after post-annealing at 500 ◦C for 45 min in a H2 atmosphere. All the films sho...

The application of nanomaterials has gained considerable momentum in various fields in recent years due to their high reactivity, excellent surface properties and quantum effects in the nanometer range. The properties of zinc oxide (ZnO) vary with its crystallite size or particle size and often nanocrystalline ZnO is seen to exhibit superior physical and chemical properties due to their higher ...

We demonstrate a thermoelectric nanogenerator (NG) made from a single Sb-doped ZnO micro/nanobelt that generates an output power of about 1.94 nW under a temperature difference of 30 K between the two electrodes. A single Sb-doped ZnO microbelt was bonded at its ends on a glass substrate as a NG, which can give an output voltage of 10 mV and an output current of 194 nA. The single Sb-doped ZnO ...

Transparent conducting Al-doped ZnO films were deposited by atomic layer deposition with various of Al doping concentrations. In order to explain the change in resistivity of Al-doped ZnO films depending on Al doping concentration, we investigated the correlations between the conducting property and electronic structure in terms of atomic configuration, the evolution of the conduction band and ...

Al-doped ZnO (AZO) and In-doped ZnO (IZO) nanopowders were prepared by a sol-gel route and subsequent drying in ethanol under supercritical conditions. The morphological and microstructural properties were investigated by transmission electron microscopy (TEM) analysis and X-ray powder diffraction (XRD). The characterization study showed that the AZO and IZO nanoparticles were crystalline and e...

LP-CVD ZnO has been developed at IMT as front TCO for amorphous silicon p-i-n single-junction and “micromorph” (microcrystalline/amorphous silicon) tandem solar cells. In comparison with SnO2 (Asahi type U), ZnO demonstrates superior light-trapping behaviour. Applying the monolithic series connection by laser-scribing, both for amorphous single-junction and micromorph tandem cells, modules have...

In this work, iron-doped SnO2 powders were prepared by two methods: mechanical alloying and mechanochemical alloying with successive thermal treatment. The influence of different milling conditions such as ball to powder weight ratio, milling time, rotation velocity of supporting disc and the type of iron starting reactive and their Fe concentration on the structural and magnetic properties of ...

Due to the shortcomings of AgSnO2 as a contact material, models SnO2, Y-SnO2, Mo-SnO2, and Y-Mo-SnO2 were built calculate their electrical mechanical properties based on first principles density functional theory. The Y-Mo co-doped SnO2 was most stable all according enthalpy change impurity formation energy. By analyzing energy band structure states, it shown that doped are still direct bandgap...