This study presents structural and mechanical properties of WO3 thin films deposited on glass substrates at different temperatures by radio frequency reactive magnetron sputtering. WO3 films deposited at temperatures up to 200uC are found as amorphous, but crystalline at 300 and 400uC. Chemical analysis reveals the overstoichiometry of the films. The diffusion of sodium ions from glass substrat...

Electrocatalysts for hydrogen oxidation and methanol oxidation are the heart of the proton exchange membrane fuel cell. In spite of tremendous efforts, developing low-cost anodic electrocatalysts with high catalytic activity and corrosion resistance is still a great challenge. Here, we report a nanocomposite consisting of oriented WO3 nanorods grown in ordered mesoporous carbon as a high-perfor...

This paper demonstrates, for the first time, synthesis of uniform and crystalline WO3 mesoporous fibers with a diameter ?1 ?m via centrifugal spinning. was achieved by using stable aqueous precursor solution based on ammonium metatungstate (AMT, (NH4)6H2W12O40·xH2O)) polyvinyl pyrrolidone (PVP, (C6H9NO)n). Annealing at 300 °C 1 h followed an additional annealing 500 6 conducted to obtain fibers...

The photoelectrochemical response of nanoporous films, obtained by anodization of Ti and W substrates in a variety of corrosive media and at preselected voltages in the range from 10 to 60 V, was studied. The as-deposited films were subjected to thermal anneal and characterized by scanning electron microscopy and X-ray diffraction. Along with the anodization media developed by previous authors,...

Post-metal annealing temperature-dependent forming-free resistive switching memory characteristics, Fowler-Nordheim (F-N) tunneling at low resistance state, and after reset using a new W/WO3/WOx/W structure have been investigated for the first time. Transmission electron microscope image shows a polycrystalline WO3/WOx layer in a device with a size of 150 × 150 nm(2). The composition of WO3/WOx...