By Sam Zhang
The second one quantity in ''''The guide of Nanostructured skinny movies and Coatings'''' set, this booklet makes a speciality of sensible homes, together with optical, digital, and electric homes, in addition to similar units and functions. It explores the large-scale fabrication of useful skinny motion pictures with nanoarchitecture through chemical routes, the fabrication and characterization of SiC nanostructured/nanocomposite films, and low-dimensional nanocomposite fabrication and purposes. The ebook additionally provides the houses of sol-gel-derived nanostructured skinny motion pictures in addition to silicon nanocrystals e. Read more...
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Additional resources for Nanostructured Thin Films and Coatings : Functional Properties
Recently, large-scale synthesis of well-aligned ZnSe nanobelt array films by a simple solvothermal reaction and a subsequent heat treatment was achieved . The reaction medium played an important role in the morphology of the product. The high quality of the nanostructures shows their potential applications for optoelectronic devices. The fabrication of well-aligned ZnSe nanobelt array films contains two steps. ethylenediamine) array was synthesized by a simple template-free solvothermal route.
An essential factor for achieving nonequilibrium interdiffusion in this case is the energy difference between H- and M-phase Nb2O5, which is the driven force of phase transformation. From a crystallographic viewpoint, H-Nb2O5 possesses a pseudo-hexagonal unit cell and forms tetragonal and pentagonal bipyramids with six or seven oxygen atoms coordinated to the Nb atom. Differently, the structure of M-Nb2O5 is composed of corner- or edge-sharing NbO6 octahedral. Therefore, rearrangement of niobium and oxygen atoms is required to accomplish phase transformation from H- to M-Nb2O5.
The whole reaction was based on an oxidation etching process; O2, F− ions, and H2O are all instrumental for the pitting on the surfaces of Nb foil. As documented in the literature, corrosion most commonly occurs when the O2 in air is dissolved in a thin film of water on the surface of a metal, thereby picking up electrons from the cathode to form hydroxide ions that then migrate toward the anode. Adsorption of F− ions can greatly increase the rate of surface diffusion and therefore expedite the oxidation process.