Electrocatalytic selectivity for nitrogen reduction vs. hydrogen evolution: a comparison of vanadium and cobalt oxynitrides at different pH values

P Chukwunenye, A Ganesan, M Gharaee… - Journal of Materials …, 2022 - pubs.rsc.org
The electrocatalytic nitrogen reduction reaction (NRR) is of significant interest as an
environmentally friendly method for NH3 production for agricultural and clean energy …

Cobalt oxide loaded graphitic carbon nitride as adsorptive photocatalyst for tetracycline removal from aqueous solution

J Niu, Y Xie, H Luo, Q Wang, Y Zhang, Y Wang - Chemosphere, 2019 - Elsevier
The treatment of antibiotic-containing wastewater is of great importance due to the potential
threats of antibiotics to human and the ecosystem. We reported the preparation of cobalt …

Highly oriented (111) CoO and Co3O4 thin films grown by ion beam sputtering

P Prieto, JF Marco, A Serrano, M Manso… - Journal of Alloys and …, 2019 - Elsevier
We demonstrate that ion beam sputtering is a suitable deposition technique to obtain single-
phase and highly (111)-oriented CoO and Co 3 O 4 thin films. The control of substrate …

Thermal stability of cobalt oxide thin films and its enhancement by cerium oxide

V Uvarov, J Krutel, K Mašek, J Mysliveček… - Applied Surface …, 2022 - Elsevier
Thermal stability of Co 3 O 4 and CeO x-Co 3 O 4 thin films prepared by various “dry”
physical techniques is investigated. A model system is represented by well-ordered Co 3 O …

Tuning the Néel temperature in an antiferromagnet: the case of NixCo1−xO microstructures

A Mandziak, G D. Soria, JE Prieto, P Prieto… - Scientific reports, 2019 - nature.com
We show that it is possible to tune the Néel temperature of nickel (II)-cobalt (II) oxide films by
changing the Ni to Co ratio. We grow single crystalline micrometric triangular islands with …

Highly sensitive and selective sub ppb level acetone sensing platform based on Co3O4–ZnO heterojunction composites

Z Wang, G Hui, J Liu, X Yang, C Sun… - Semiconductor …, 2021 - iopscience.iop.org
In this work, a three-dimensional fusiform-like Co 3 O 4–ZnO material with different Co 3 O 4
concentrations (0.25, 0.5, 0.75 and 1 at% Co 3 O 4) was successfully synthesized via a …

Interaction of molecular nitrogen with vanadium oxide in the absence and presence of water vapor at room temperature: Near-ambient pressure XPS

K Balogun, P Chukwunenye, F Anwar… - The Journal of …, 2022 - pubs.aip.org
Interactions of N 2 at oxide surfaces are important for understanding electrocatalytic nitrogen
reduction reaction (NRR) mechanisms. Interactions of N 2 at the polycrystalline vanadium …

A combined spectroscopic investigation of cobalt oxide films prepared by DC reactive sputtering

NFA Neto, AR Zanatta, JHD da Silva - Vibrational Spectroscopy, 2023 - Elsevier
The structure and vibrational characteristics of cobalt monoxide and tetraoxide films,
prepared by direct-current DC reactive sputtering, were investigated by different …

[HTML][HTML] Atomic layer deposition of cobalt oxide on oxide substrates and low temperature reduction to form ultrathin cobalt metal films

Z Zhang, HC Nallan, BM Coffey, TQ Ngo… - Journal of Vacuum …, 2019 - pubs.aip.org
The authors report the deposition of 4.5-nm-thick cobalt (II) oxide on SiO 2/Si (001) and MgO
(001) substrates at 180–270 C by atomic layer deposition using bis (N-tert-butyl-N …

Colossal intrinsic exchange bias from interfacial reconstruction in epitaxial thin films

D Yang, Y Yun, A Subedi, NE Rogers, DM Cornelison… - Physical Review B, 2021 - APS
We have studied the epitaxial CoFe 2 O 4 (111) films grown on Al 2 O 3 (0001) substrates of
different thickness at various temperature and discovered colossal intrinsic exchange bias …