Results 61 to 70 of about 92,344 (249)

Obtaining nanosized niobium and tantalum pentoxides by using supercritical antisolvent fluid technology

Тонкие химические технологии, 2015
Niobium and tantalum methylates with common formula M2(OMe)10 , where M - Nb,Ta, have been synthesized as precursors by electrochemical synthesis for obtaining niobium and tantalum oxides.
K. A. Smirnova, V. V. Fomichev, D. V. Drobot, E. E. Nikishina   +3 more
doaj  

Carbon monoxide adsorption on NaY zeolite and impregnated with 5% niobium: Characteristics and fixed‐bed study

The Canadian Journal of Chemical Engineering, Volume 104, Issue 10, Page 5725-5740, October 2026.
Schematic of the CO adsorption process in a fixed‐bed column containing pure NaY zeolite and Nb‐modified NaY (NaY–5%Nb). On the left, breakthrough curves and temperature profiles highlight the dynamic performance and thermal effects during CO adsorption.
Elson Oliveira, Karina Querne de Carvalho, Erika Pereira Felix, Roberta C. P. Rizzo‐Domingues   +3 more
wiley   +1 more source

Effects of experimental bleaching gels containing co-doped titanium dioxide and niobium pentoxide combined with violet light

Clinical Oral Investigations, 2023
The objective of the study is to evaluate the bleaching potential of 6% hydrogen peroxide (6% HP) gels containing NF_TiO2 or Nb2O5 irradiated with a violet LED light and the effects on enamel mineral content and surface morphology.
I. C. R. T. Matos, M. Kury, P. B. G. de Melo, Letícia Vasconcelos Silva de Souza, F. L. Esteban Florez, V. Cavalli   +5 more
semanticscholar   +1 more source

Synergic antimony–niobium pentoxide nanomeshes for high-rate sodium storage

, 2018
Synergic antimony–niobium pentoxide nanomeshes are fabricated on a large scaleviathe controllable decomposition of SbNbO4nanosheets, which are obtained from ultrathin hydrated niobium oxide (Nb2O5·nH2O) layers.
Liu Wang, Xiaofang Bi, Shubin Yang
core   +1 more source

Enhanced Photocatalytic Activity of Nonuniformly Nitrogen-Doped Nb₂O₅ by Prolonging the Lifetime of Photogenerated Holes

Nanomaterials, 2022
The narrow band gap and significant separation of photogenerated carriers are essential aspects in practical photocatalytic applications. Nitrogen doping usually narrows the band gap of semiconductor oxides, and it enhances photocatalytic activity ...
Wei Guo, Chang Bo, Wenjing Li, Zhiying Feng, Erli Cong, Lijuan Yang, Libin Yang   +6 more
doaj   +1 more source

Analytical Metrics for Quality Assessment of Vanadium Electrolytes in Vanadium Flow Batteries: A Case Study

Energy Storage, Volume 8, Issue 6, September 2026.
ABSTRACT This case study investigates practical approaches for evaluating commercially available vanadium electrolytes (VEL) for vanadium flow battery applications. From the perspective of a potential electrolyte customer, a range of wet chemical and instrumental analytical methods was applied to characterize commercial electrolyte samples obtained ...
Nataliya Roznyatovskaya, Matthias Fühl, Martin Joos, Florian Geier, Jens Noack, Thomas Beyer   +5 more
wiley   +1 more source

Single Step Formation Of Gold Core -Niobium Pentoxide Shell Nanoparticles Using Laser Ablation Technique: Effect of Laser Pulse Number

International journal of nanoelectronics and materials
Plasmonic nanoparticles improve light absorption and enhance the charge carrier lifetime of the semiconductor, which provides a tremendous contribution to the advanced field.
M. Mahdi, E. Salim, A. S. Obaid
semanticscholar   +1 more source

Analysis of methods for synthesis of a boron-doped lithium niobate charge used for growing single crystals

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
Known methods of a boron doped lithium niobate charge synthesis were analyzed. Such a charge is applied for the growth by Czochralski of single crystals with high optical quality.
Sofia M. Masloboeva
doaj   +1 more source

Two‐Dimensional Catalysts for Enhanced Hydrogen Storage in Magnesium Hydride: Materials, Mechanisms, and Future Perspectives

Rare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Magnesium hydride (MgH2) is a promising solid‐state hydrogen storage material due to its high gravimetric capacity and excellent reversibility. However, its practical application is hindered by high thermodynamic stability and sluggish reaction kinetics.
Xingyang Chen, Dingyan Hu, Xuandi Cao, Fuying Wu, Yuxin Wang, Evgeny Sergeevich Lapin, Liuting Zhang   +6 more
wiley   +1 more source

Precipitation of niobic acid from potassium niobate in sulphuric acid solution: A route to niobium oxide

The Canadian Journal of Chemical Engineering, Volume 104, Issue 8, Page 4419-4434, August 2026.
Graphical abstract illustrating the niobic acid precipitation process applied and the product obtained. Abstract This study investigates the precipitation of niobic acid (Nb2O5.nH2O) from potassium niobate solution with addition of sulphuric acid, and its subsequent thermal conversion into niobium oxide (Nb2O5). Thermodynamic modelling with PHREEQC and
Cássia R. Souza, Gabriela C. Silva, Isabel P. Silva, Frederico M. Penha, Sônia D. F. Rocha   +4 more
wiley   +1 more source