F and rare V⁴⁺doped cobalt hydroxide hybrid nanostructures: excellent OER activity with ultralow overpotential

Abstract

Highly efficient and stable earth abundant transition metal electrocatalysts are in great demand for oxygen evolution reaction (OER), a bottleneck process involved in water splitting reaction and metal-air batteries. Herein,...

Tuning the morphology to enhance the catalytic activity of α-Ag2WO4 through V-doping

“…It is also expected that this doping will modify the oxyanion lattice to form bonds such as W–O–V 4+ . 43…”

“…It is also expected that this doping will modify the oxyanion lattice to form bonds such as W-O-V 4+ . 43 The electronic modifications caused by V doping in the AW samples were initially analyzed using DRS. The optical band gap energies (E gap ) were calculated from the UV-vis absorption spectra obtained from DRS using the Wood-Tauc 44 and Kubelka-Munk 45 equations AW exhibits an absorption spec-…”

“…It is also expected that this doping will modify the oxyanion lattice to form bonds such as W-O-V 4+ . 43 The electronic modifications caused by V doping in the AW samples were initially analyzed using DRS. The optical band gap energies (E gap ) were calculated from the UV-vis absorption spectra obtained from DRS using the Wood-Tauc 44 trum driven by direct electronic transitions, resulting from the movement of electrons located in the conduction band minimum energy states to the valence band's maximum energy states at different points in the Brillouin zone (Fig.…”

One-step fabrication of vanadium-doped CoFe PBA nanosheets for efficient oxygen evolution reaction

“…Due to its high energy density, small size and lack of pollution, hydrogen energy has always garnered a lot of attention. 1–4 Hydrogen can be produced by methane vapor reforming, coal gasification, and water splitting. Coal gasification and methane vapor reforming may involve the use of non-renewable energy and result in environmental contamination, which will contravene the benefits of hydrogen energy; thus they are not recommended, in comparison to water splitting.…”

Fast Water Transport in UTSA‐280 via a Knock‐Off Mechanism

“…This mechanism refers to the ion transport whereby a guest ion knocks off a host atom [31] . As water is often coordinated in MOFs, [32–36] we hypothesized that water transport in MOFs could occur via the knock‐off mechanism, which has yet to be reported.…”