Limitations of the Tauc plot method

J Klein, L Kampermann, B Mockenhaupt… - Advanced Functional …, 2023 - Wiley Online Library
The Tauc plot is a method originally developed to derive the optical gap of amorphous
semiconductors such as amorphous germanium or silicon. By measuring the absorption …

Influence of the cobalt content in cobalt iron oxides on the electrocatalytic OER activity

S Saddeler, G Bendt, S Salamon, FT Haase… - Journal of Materials …, 2021 - pubs.rsc.org
Sub 10 nm cobalt ferrite CoxFe3− xO4 (x≤ 1.75) nanoparticles and cobalt-rich wüstite
(Cox/3Fe (1− x)/3) O nanoparticles (x≥ 2) were synthesized in a solvothermal approach and …

Co1–xFexOy Oxygen Evolution Nanocatalysts: On the Way To Resolve (Electro)Chemically Triggered Surface-Bulk Discrepancy

D Aegerter, E Fabbri, NS Yüzbasi, N Diklić… - ACS …, 2023 - ACS Publications
Unveiling relevant properties of the electrocatalyst's active phase for the oxygen evolution
reaction (OER) is crucial to rationally improve the efficiency of water electrolyzers. This is …

Engineering of Cation Occupancy of CoFe2O4 Oxidation Catalysts by Nanosecond, Single‐Pulse Laser Excitation in Water

S Zerebecki, S Salamon, J Landers, Y Yang… - …, 2022 - Wiley Online Library
Due to the variability of the cation occupancy of octahedral and tetrahedral sites, spinel
ferrites and cobaltites are particularly interesting to investigate activity trends in oxidation …

Wavelength-dependent activity screening of reduced titania for photocatalytic degradation of imidacloprid in batch and flow-mode

A Roibu, R Udroiu, C Abreu-Jaureguí… - Journal of …, 2024 - Elsevier
Water reuse is an emerging solution to decrease pressure on freshwater supplies and meet
the increasing demand. This study explores the use of semiconductor photocatalysis for …

Fe30Co70/Co/CoxFe3− xO4-δ nanocomposite with multiple magnetic exchange resonance mechanisms and large magnetic loss available for microwave absorption …

P Wang - Journal of Alloys and Compounds, 2024 - Elsevier
Soft magnetic alloys are widely studied and reported as a type of important microwave
absorption (MA) materials, while their magnetic losses are limited. In this paper, a …

Striking Stabilization Effect of Spinel Cobalt Oxide Oxygen Evolution Electrocatalysts in Neutral pH by Dual‐Sites Iron Incorporation

S Zhu, X Wang, J Le, N An, J Li, D Liu… - Energy & …, 2024 - Wiley Online Library
Developing stable and efficient nonprecious‐metal‐based oxygen evolution catalysts in the
neutral electrolyte is a challenging but essential goal for various electrochemical systems …

(Y3+/Sm3+)-doped and co-doped CoFe2O4 for heterogeneous advanced oxidation process: structural, magneto-optical, and photocatalytic investigations

O Oulhakem, M Belaiche, M El Ansary… - … Science and Pollution …, 2024 - Springer
The photocatalytic properties of CoFe2O4 nanoparticles were activated by the doping and
co-doping of a low level of Y3+ and Sm3+ cations. After optimizing the annealing …

Electronic and optical properties of the fully and partially inverse spinel from first principles calculations including many-body effects

S Rafiezadeh, V Begum-Hudde, R Pentcheva - Physical Review B, 2024 - APS
Using density functional theory calculations and many-body perturbation theory, we
investigate the electronic and optical properties of the inverse spinel CoFe 2 O 4, a common …

Thermosensitivity through exchange coupling in ferrimagnetic/antiferromagnetic nano-objects for magnetic-based thermometry

FM Abel, EL Correa, AJ Biacchi, TQ Bui… - … applied materials & …, 2023 - ACS Publications
Temperature is a fundamental physical quantity important to the physical and biological
sciences. Measurement of temperature within an optically inaccessible three-dimensional …