Al2O3 nanofibers prepared from aluminum Di(sec-butoxide)acetoacetic ester chelate exhibits high surface area and acidity

Alumina (Al2O3) is a widely used material for catalysis in the chemical industry. Besides high specific surface area, acid sites on Al2O3 play crucial role transformation of adsorbed molecules, which ultimately react and desorb from catalyst. This study introduces synthetic method based electrospinning to produce nanofibers (ANFs) with acidity porosity tuned using different aluminum precursor formulations. After heat treatment, form non-woven network macropores (∼4 μm). Nanofibers produced di(sec-butoxide)acetoacetic ester chelate (ASB) show highest total ca. 0.70 µmol/m2 determined temperature-programmed desorption ammonia (NH3-TPD) BET. The nature site ASB ANFs studied detail infrared (IR) spectroscopy. Pyridine as molecular probe identification ASB. showed presence Lewis prominently. Density-functional theory (DFT) conducted understand kinetics species, such (NH3) crystalline γ-Al2O3. For our analysis, we focused mobile approach chemisorbed physisorbed NH3. computational results are compared NH3-TPD experiments, utilized estimate energy kinetic parameters. experiments found pair up simulation results. We predict that these structures will find application dispersion medium metallic particles catalysis.