Preparation of thick GeO2 glass film with high UV photosensitivity
Source abstract
Abstract
Abstract Hexagonal GeO 2 ceramic films were fabricated at room temperature via an acid induced liquid phase deposition (LPD) method. Thick GeO 2 glass films were prepared using a melting and quick cooling technique. The glass films were annealed in a mixed hydrogen/nitrogen gas atmosphere to create more oxygen vacancies. The intensity of 5-eV absorption band enhances with increase of annealing temperature as well as time. The activation energy of oxygen vacancy formation is calculated to be 0.91 ± 0.05 eV. The 5-eV absorption band is photobleachable, and the saturated absorptivity change reaches 575 ± 17 cm − 1 .
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Research context
OpenAlex topics: Glass properties and applications · Ga2O3 and related materials · Transition Metal Oxide Nanomaterials
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References (25)
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