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RESEARCH PRODUCT

Vacuum-ultraviolet absorption of interstitial O2 and H2O molecules in SiO2 glass

Linards SkujaHideo HosonoMasahiro HiranoKoichi Kajihara

subject

Absorption spectroscopyHydrogen bondbusiness.industryChemistryCondensed Matter PhysicsPhotochemistryLondon dispersion forceRedshiftElectronic Optical and Magnetic MaterialsBlueshiftOpticsAbsorption bandMaterials ChemistryCeramics and CompositesMoleculeAbsorption (chemistry)business

description

Abstract Vacuum-ultraviolet (VUV) absorption of O 2 and H 2 O molecules incorporated in interstitial voids in SiO 2 glass by thermal annealings was examined. Interactions of the interstitial molecules with the surrounding SiO 2 glass network lead to a redshift of the VUV absorption band of interstitial O 2 , while a blueshift of that of interstitial H 2 O, both accompanied by an increase in the intensity of the absorption bands. The Coulomb repulsion, London dispersion, and hydrogen bonding are the main interactions responsible for the modification of the VUV absorption bands.

yearjournalcountryeditionlanguage
2006-07-01Journal of Non-Crystalline Solids
https://doi.org/10.1016/j.jnoncrysol.2006.02.058