Analyzing the surface of functional nanomaterials—how to quantify the total and derivatizable number of functional groups and ligands

D Geißler, N Nirmalananthan-Budau, L Scholtz… - Microchimica Acta, 2021 - Springer
Functional nanomaterials (NM) of different size, shape, chemical composition, and surface
chemistry are of increasing relevance for many key technologies of the twenty-first century …

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 …

Effect of the Fe2O3/TiO2 Nanoparticles on the Structural, Mechanical, Electrical Properties and Antibacterial Activity of the Biodegradable Chitosan/Polyvinyl Alcohol …

HM Alghamdi, MM Abutalib, A Rajeh… - Journal of Polymers and …, 2022 - Springer
As the request for ready-made food grows, it's more important than ever to develop effective
antimicrobial food packaging materials to assure food's microbiological safety. The solvent …

[HTML][HTML] The role of phosphotungstic acid in enhancing the catalytic performance of UiO-66 (Zr) and its applications as an efficient solid acid catalyst for coumarins and …

FT Alshorifi, DE Tobbala, SM El-Bahy… - Catalysis …, 2022 - Elsevier
In recent study, we report a facile and easy technique for the synthesis phosphotungstic acid
(PTA) with different weight contents (10, 25, 50 and 75 wt%) loaded on UiO-66 (Zr) as …

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 …

Preparation of highly efficient sunlight driven photodegradation of some organic pollutants and H2 evolution over rGO/FeVO4 nanocomposites

QA Alsulami, A Rajeh, MA Mannaa… - International Journal of …, 2021 - Elsevier
FeVO 4 and rGO/FeVO 4 nanocomposites were synthesized by one-step hydrothermal
method. The structural and morphological properties of the prepared samples were …

Silver nanoparticles supported on UiO-66 (Zr): as an efficient and recyclable heterogeneous catalyst and efficient adsorbent for removal of indigo carmine

RS Salama, ESM El-Sayed, SM El-Bahy… - Colloids and Surfaces A …, 2021 - Elsevier
As incorporating silver nanoparticles (Ag NPs) into zirconium metal-organic frameworks
(UiO-66) offer an extensive potential in numerous applications such as wastewater treatment …

[HTML][HTML] Fe3O4/Co3O4–TiO2 S-scheme photocatalyst for degradation of organic pollutants and H2 production under natural sunlight

MM Abutalib, HM Alghamdi, A Rajeh, O Nur… - journal of materials …, 2022 - Elsevier
Sunlight responsible mono-and co-doped TiO 2 nanoparticles (Co n+ and Fe n+) were
prepared via sol–gel technique. The X-ray diffraction (XRD) results showed no phase …

[HTML][HTML] Preparation and characterization of SnO2 doped TiO2 nanoparticles: Effect of phase changes on the photocatalytic and catalytic activity

SM Hassan, AI Ahmed, MA Mannaa - Journal of Science: Advanced …, 2019 - Elsevier
The effects of phase changes on the photocatalytic and catalytic activities of SnO 2/TiO 2
nanoparticles prepared via a surfactant-assisted sol-gel method were investigated. The as …

Sulfamic acid supported on mesoporous MCM-41 as a novel, efficient and reusable heterogenous solid acid catalyst for synthesis of xanthene, dihydropyrimidinone …

RS Salama, SM El-Bahy, MA Mannaa - Colloids and Surfaces A …, 2021 - Elsevier
Herein, the incorporation sulfamic acid (SA) into mesoporous silica (MCM-41) introduced an
effective approach in numerous multicomponent reactions. SA/MCM-41 composites with …