Gas-phase synthesis of functional nanomaterials: Challenges to kinetics, diagnostics, and process development

C Schulz, T Dreier, M Fikri, H Wiggers - Proceedings of the Combustion …, 2019 - Elsevier
Gas-phase synthesis of nanoparticles enables production of high-purity materials with well-
controlled properties in continuous flow processes. It is an established technology for a …

Synthesis of novel LaCoO3/graphene catalysts as highly efficient peroxymonosulfate activator for the degradation of organic pollutants

M Hammad, S Angel, AK Al-Kamal, A Asghar… - Chemical Engineering …, 2023 - Elsevier
Metal leaching in perovskite-based catalysts during peroxymonosulfate activation processes
can severely restrict their application in wastewater treatment. Therefore, enhancing the …

Spray‐flame synthesis of La(Fe, Co)O3 nano‐perovskites from metal nitrates

S Angel, J Neises, M Dreyer, K Friedel Ortega… - AIChE …, 2020 - Wiley Online Library
Nano‐sized perovskites were synthesized in a spray flame from nitrate precursors dissolved
in ethanol and in ethanol/2‐ethylhexanoic acid (2‐EHA) mixtures. Experiments with ethanol …

Large-scale synthesis of iron oxide/graphene hybrid materials as highly efficient photo-Fenton catalyst for water remediation

M Hammad, P Fortugno, S Hardt, C Kim… - … Technology & Innovation, 2021 - Elsevier
Abstract The Photo-Fenton reaction is an advanced oxidation process to break down
organic pollutants in aqueous systems. Moreover, the scalable synthesis and engineering of …

[HTML][HTML] Atmospheric-pressure particle mass spectrometer for investigating particle growth in spray flames

S Suleiman, M Nanjaiah, I Skenderovic… - Journal of Aerosol …, 2021 - Elsevier
In this work, we introduce a new particle mass spectrometer (AP-PMS) that is able to detect
particle-size distributions at ambient pressure using a three-stage pumping design. This …

Selective cyclohexene oxidation with O 2, H 2 O 2 and tert-butyl hydroperoxide over spray-flame synthesized LaCo 1− x Fe x O 3 nanoparticles

J Büker, B Alkan, Q Fu, W Xia, J Schulwitz… - Catalysis Science & …, 2020 - pubs.rsc.org
The elimination of waste and by-product generation and reduced dependence on
hazardous chemicals are the key steps towards environmentally sustainable chemical …

Spray-flame synthesis of LaMO3 (M= Mn, Fe, Co) perovskite nanomaterials: Effect of spray droplet size and esterification on particle size distribution

S Angel, F Schneider, S Apazeller… - Proceedings of the …, 2021 - Elsevier
Perovskite nanomaterials such as LaMnO 3, LaFeO 3, and LaCoO 3 were synthesized in a
spray flame from metal nitrates dissolved in combustible liquids. The addition of low-boiling …

Spray-Flame Synthesis of LaFexCo1–xO3 (x = 0.2, 0.3) Perovskite Nanoparticles for Oxygen Evolution Reaction in Water Splitting: Effect of Precursor Chemistry …

S Angel, M Braun, B Alkan, J Landers… - The journal of …, 2023 - ACS Publications
The product properties of mixed oxide nanoparticles generated via spray-flame synthesis
depend on an intricate interplay of solvent and precursor chemistries in the processed …

Determining materials for energy conversion across scales: The alkaline oxygen evolution reaction

P Gerschel, S Angel, M Hammad… - Carbon …, 2024 - Wiley Online Library
Despite considerable efforts to develop electrolyzers for energy conversion, progress has
been hindered during the implementation stage by different catalyst development …

Gas-phase synthesis of iron oxide nanoparticles for improved magnetic hyperthermia performance

M Hammad, S Hardt, B Mues, S Salamon… - Journal of Alloys and …, 2020 - Elsevier
Magnetic nanoparticle-mediated hyperthermia has shown great potential in cancer therapy.
However, upscaling of the synthesis of iron oxide nanoparticle with the required narrow size …