Hydrogen Reduction of γIrradiated Nickel Oxide

Absorption of hydrogen in reduced nickel oxide

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Hydrogen reduction of molybdenum oxide at room temperature

The color changes in chemo- and photochromic MoO3 used in sensors and in organic photovoltaic (OPV) cells can be traced back to intercalated hydrogen atoms stemming either from gaseous hydrogen dissociated at catalytic surfaces or from photocatalytically split water. In applications, the reversibility of the process is of utmost importance, and deterioration of the layer functionality due to si...

Nickel and Nickel Compounds. Nickel Oxide Reference Exposure Levels

Theory of Nickel and and Nickel - Hydrogen Complexes in SiliconR

Spin-polarized local density functional cluster calculations are carried out on substitutional Ni and Ni-H 2 complexes. We nd that Ni ? undergoes a Jahn-Teller distortion along h100i with Ni moving slightly along the cube axis. The distorted state gives b 1 ; b 2 and a 1 levels in ascending order of energies within the gap in agreement with experiment. Several candidate NiH 2 defects are invest...

Enhancement of hydrogen gas sensing of nanocrystalline nickel oxide by pulsed-laser irradiation.

This paper reports the effect of post-laser irradiation on the gas-sensing behavior of nickel oxide (NiO) thin films. Nanocrystalline NiO semiconductor thin films were fabricated by a sol-gel method on a nonalkaline glass substrate. The NiO samples were irradiated with a pulsed 532-nm wavelength, using a Nd:YVO(4) laser beam. The effect of laser irradiation on the microstructure, electrical con...