Facile Fabrication of Oxygen-Releasing Tannylated Calcium Peroxide Nanoparticles
Ji Sun Park, Yeong Jun Song, Yong Geun Lim, Kyeongsoon Park
Abstract
This study reports a new approach for the facile fabrication of calcium peroxide (CaO2) nanoparticles using tannic acid (TA) as the coordinate bridge between calcium ions. Tannylated-CaO2 (TA/CaO2) nanoparticles were prepared by reacting calcium chloride (CaCl2) with hydrogen peroxide (H2O2) in ethanol containing ammonia and different amounts of TA (10, 25, and 50 mg). The prepared TA/CaO2 aggregates consisted of nanoparticles 25–31 nm in size. The nanoparticles prepared using 10 mg of TA in the precursor solution exhibited the highest efficiency for oxygen generation. Moreover, the oxygen generation from TA (10 mg)/CaO2 nanoparticles was higher in an acidic environment.
Topics & Concepts
Hydrogen peroxideTannic acidNanoparticleCalciumChemistryNuclear chemistryInorganic chemistryOxygenAmmoniaPeroxideFabricationMaterials scienceNanotechnologyOrganic chemistryAlternative medicinePathologyMedicineAnalytical Chemistry and SensorsCatalytic Processes in Materials ScienceOxidative Organic Chemistry Reactions