Nickel and cobalt oxides supported on activated carbon derived from willow catkin for efficient supercapacitor electrode

MS Gouda, M Shehab, S Helmy, M Soliman… - Journal of Energy …, 2023 - Elsevier
Supercapacitors have attracted more interest due to the advantages of extended cycle life,
great power density, and fast charging and discharging rate. A chemical activation technique …

[HTML][HTML] Application of nanostructured mesoporous silica/bismuth vanadate composite catalysts for the degradation of methylene blue and brilliant green

SA El-Hakam, FT ALShorifi, RS Salama… - Journal of Materials …, 2022 - Elsevier
Ultrasonication method was used in the incorporation of mesoporous silica (mSiO 2) on
BiVO 4 nanoparticles. The average crystallite size of the BiVO 4 nanoparticles was …

Role of NiO Nanoparticles in Enhancing Structure Properties of TiO2 and Its Applications in Photodegradation and Hydrogen Evolution

MA Mannaa, KF Qasim, FT Alshorifi, SM El-Bahy… - ACS …, 2021 - ACS Publications
Pure and modified mesoporous TiO2 nanoparticles with different loadings of NiO (3–20.0
wt%) were prepared through the surfactant-assisted sol–gel approach with the use of …

Promotional Synergistic Effect of Cs–Au NPs on the Performance of Cs–Au/MgFe2O4 Catalysts in Catalysis 3,4-Dihydropyrimidin-2(1H)-Ones and Degradation of …

FT Alshorifi, SL Ali, RS Salama - Journal of Inorganic and Organometallic …, 2022 - Springer
The recent paper deals with the immobilization of hybrid gold–cesium nanoparticles (Au–Cs
NPs) onto magnesium ferrites (MgFe2O4) surface, and then the prepared composites were …

Synthesis of copper/chromium metal organic frameworks-Derivatives as an advanced electrode material for high-performance supercapacitors

SA Al-Thabaiti, MMM Mostafa, AI Ahmed… - Ceramics …, 2023 - Elsevier
Highly optimized copper chromium mixed oxides, derived from mixed cupper/chromium
metal organic frameworks (Cu/Cr-MOF), have been successfully synthesized by calcination …

Synthesis of 12-tungestophosphoric acid supported on Zr/MCM-41 composite with excellent heterogeneous catalyst and promising adsorbent of methylene blue

AA Ibrahim, RS Salama, SA El-Hakam… - Colloids and Surfaces A …, 2021 - Elsevier
In this study, zirconia-supported mesoporous MCM-41 composite was synthesized through
the surfactant-assisted sol-gel technique. Then, different weight percentages of …

Palladium supported on mixed-metal–organic framework (Co–Mn-MOF-74) for efficient catalytic oxidation of CO

RS Salama, MA Mannaa, HM Altass, AA Ibrahim… - RSC …, 2021 - pubs.rsc.org
Successful monometallic and bimetallic metal–organic frameworks with different Co/Mn
ratios have been synthesized under solvothermal conditions. The as-synthesized MOFs …

Low temperature CO oxidation over highly active gold nanoparticles supported on reduced graphene oxide@ Mg-BTC nanocomposite

HM Altass, SA Ahmed, RS Salama, Z Moussa… - Catalysis Letters, 2023 - Springer
In this study, gold nanoparticles (Au NPs) were successfully supported on reduced
graphene oxide (rGO) and Mg-BTC in one pot under solvothermal conditions. The catalysts …

Greener route for the removal of toxic heavy metals and synthesis of 14-aryl-14H dibenzo [a, j] xanthene using a novel and efficient Ag-Mg bimetallic MOF as a …

SA El-Hakam, AA Ibrahim, LA Elatwy… - Journal of the Taiwan …, 2021 - Elsevier
Removing of heavy metal ions from aqueous solutions has become a serious challenge
from both biological and environmental viewpoints. Recently, metal-organic frameworks …

Enhanced catalytic activity for CO oxidation by highly active Pd nanoparticles supported on reduced graphene oxide/copper metal organic framework

HM Altass, M Morad, AERS Khder, MA Mannaa… - Journal of the Taiwan …, 2021 - Elsevier
As a result of the increase in industrial activities and the extensive use of automobiles, air
pollutants, especially carbon monoxide, reach the alarm level. The removal of carbon …