Miguel A. Arvizu
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View article: Impedance Spectroscopy Modeling of Nickel–Molybdenum Alloys on Porous and Flat Substrates for Applications in Water Splitting
Impedance Spectroscopy Modeling of Nickel–Molybdenum Alloys on Porous and Flat Substrates for Applications in Water Splitting Open
Hydrogen production by splitting water using electrocatalysts powered by renewable energy from solar or wind plants is one promising alternative to produce a carbon-free and sustainable fuel. Earth-abundant and nonprecious metals are, here…
View article: Electrochromic WO<sub>3</sub> thin films attain unprecedented durability by potentiostatic pretreatment
Electrochromic WO<sub>3</sub> thin films attain unprecedented durability by potentiostatic pretreatment Open
Potentiostatically pretreated electrochromic WO3 films (right) show much better durability under very harsh cycling conditions than untreated films (left).
View article: Electrochemical Rejuvenation of Anodically Coloring Electrochromic Nickel Oxide Thin Films
Electrochemical Rejuvenation of Anodically Coloring Electrochromic Nickel Oxide Thin Films Open
Nickel oxide thin films are of major importance as anodically coloring components in electrochromic smart windows with applications in energy-efficient buildings. However, the optical performance of these films degrades upon extended elect…
View article: Degradation and rejuvenation in electrochromic nickel oxide films
Degradation and rejuvenation in electrochromic nickel oxide films Open
Because of the rapidly increasing energy consumption and the associated global environmental problems, it is necessary and urgent to develop renewable energy solutions. In addition, materials that ...
View article: Optical, structural and electrochromic properties of sputter- deposited W-Mo oxide thin films
Optical, structural and electrochromic properties of sputter- deposited W-Mo oxide thin films Open
Thin metal oxide films were investigated by a series of characterization techniques including impedance spectroscopy, spectroscopic ellipsometry, Raman spectroscopy, and Atomic Force Microscopy. Thin film deposition by reactive DC magnetro…
View article: Rejuvenation of degraded electrochromic MoO<sub>3</sub> thin films made by DC magnetron sputtering: Preliminary results
Rejuvenation of degraded electrochromic MoO<sub>3</sub> thin films made by DC magnetron sputtering: Preliminary results Open
Molybdenum oxide thin films were deposited by reactive DC magnetron sputtering and were subjected to voltammetric cycling in an electrolyte comprised of lithium perchlorate in propylene carbonate. The films were heavily degraded during 20 …
View article: Ion Trapping and Detrapping in Amorphous Tungsten Oxide Thin Films Observed by Real-Time Electro-Optical Monitoring
Ion Trapping and Detrapping in Amorphous Tungsten Oxide Thin Films Observed by Real-Time Electro-Optical Monitoring Open
Several technologies for energy saving and storage rely on ion exchange between electrodes and electrolytes. In amorphous electrode materials, a detailed knowledge of Li-ion intercalation is hampered by limited information about the struct…
View article: Sputter deposited W<sub>1–<i>x–y</i></sub>Ni<sub><i>x</i></sub>Ti<sub><i>y</i></sub>O<sub>3</sub>thin films: Electrochromic properties and durability
Sputter deposited W<sub>1–<i>x–y</i></sub>Ni<sub><i>x</i></sub>Ti<sub><i>y</i></sub>O<sub>3</sub>thin films: Electrochromic properties and durability Open
Previous research demonstrated that a small amount of nickel enhances the coloration efficiency of tungsten-nickel oxide electrochromic (EC) thin films with respect to that of pure tungsten oxide (WO3) films. Furthermore the incorporation …
View article: Electrochromism in sputter deposited W<sub>1-y</sub>Mo<sub>y</sub>O<sub>3</sub>thin films
Electrochromism in sputter deposited W<sub>1-y</sub>Mo<sub>y</sub>O<sub>3</sub>thin films Open
Electrochromic (EC) properties of tungsten–molybdenum oxide (W1–yMoyO3) thin films were investigated. The films were deposited on indium tin oxide covered glass by reactive DC sputtering from tungsten and molybdenum targets. Elemental comp…