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Abstract
A systematic conceptual study of the properties of tin oxide nanoclusters SnnOm (n = 1–6; 2n+1 ≤ m ≤ 4n+2) with ozonide ion or mixed ozonide with molecular O20, oxide (O2−), peroxide (O−) or superoxide (O2−) was investigated using the ab initio density functional theory perspective. Bader charge calculations revealed the oxidation state of Sn and established formation of terminal oxide moiety in the nanoclusters. The stability investigation was carried out by calculations of the binding energy (BE) per atom, the second difference total energy (Δ2E(m)) and the gap between the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) while adsorption energy per O2 and O3 was investigated. Exploring the variation of the reactivity parameters and reaction energy with sizes revealed size dependence on physicochemical properties of the nanoclusters. Magnetism studies show the contribution of O2, O−, O2− and O3− to the magnetic moment of the nanoclusters.
Graphical abstract
The graphic shows the possibility of an ozone sensor with tin oxide nanocluster to form tin ozonide with a respective calculated adsorption energy. The ozonide formed can be applied as an oxygen-rich catalyst in oxygen-required oxidation reactions.
Die im Laufe eines Jahres in der „adhäsion“ veröffentlichten Marktübersichten helfen Anwendern verschiedenster Branchen, sich einen gezielten Überblick über Lieferantenangebote zu verschaffen.
