Optical properties and photo-isomerization processes of PMMA–BDK–MR nanocomposite thin films doped by silica nanoparticles
Sign Up to like & getrecommendations! Published in 2020 at "Polymer Bulletin"
DOI: 10.1007/s00289-020-03273-6
Abstract: A novel nanocomposite thin films based on azo dye methyl red (MR) hosted in polymethylmethacrylate (PMMA) incorporated with benzyl dimethyl ketal (BDK) as a photo-initiator and doped with 2.5% and 5% of silica NPs are… read more here.
Keywords: thin films; silica nps; doped silica; pmma bdk ... See more keywords
Synthesis of magnetic hollow mesoporous N-doped silica rods as a basic catalyst for the preparation of some spirooxindole-1,4-dihydropyridine derivatives
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.144466
Abstract: Abstract In this study, magnetic hollow mesoporous N-doped silica rods were successfully prepared via the in-situ calcination of different amounts of diethanolamine in the presence of silica precursor. Doping of the nitrogen atoms in to… read more here.
Keywords: silica rods; mesoporous doped; doped silica; magnetic hollow ... See more keywords
Spectroscopy of Pb/Bi co-doped silica optical fibers fabricated via atom layer deposition with modified chemical vapour deposition
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117768
Abstract: Abstract We fabricated a novel Pb/Bi co-doped silica optical fiber using an atomic layer deposition technique in conjunction with a modified chemical vapour deposition process. The fabricated fiber exhibits distinct absorption peaks at 690, 800,… read more here.
Keywords: modified chemical; doped silica; deposition; layer deposition ... See more keywords
Facile fabrication of graphite-doped silica aerogels with ultralow thermal conductivity by precise control
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2017.04.003
Abstract: Abstract Graphite-doped silica (G/SiO 2 ) aerogels for thermal insulation were prepared through doping colloidal graphite (G) into silica (SiO 2 ) sol, followed by aging, washing and supercritical drying. The morphology and structure of… read more here.
Keywords: microscopy; doped silica; thermal conductivity; graphite doped ... See more keywords
Observation of radiation-induced absorption of self-trapped holes in Ge-doped silica fiber in near infrared range at reduced temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.05.023
Abstract: Abstract Short-lived radiation-induced absorption (RIA) of light peaking at wavelengths >1700 nm has been revealed in a γ-irradiated (≤1 kGy) heavily (50 mol% GeO2) Ge-doped silica optical fiber (Ge-doped fiber) at low temperatures (≤−30 °C). This RIA is found… read more here.
Keywords: trapped holes; radiation induced; induced absorption; doped silica ... See more keywords
Fabrication of Yb-doped silica micro-structured optical fibers from UV-curable nano-composites and their application in temperature sensing
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2021.121129
Abstract: Abstract A novel scheme for fabricating Yb-doped silica micro structured optical fibers and their application in high-temperature optical fiber sensing are reported. The Yb-doped silica micro structured optical fiber preforms consisted of Yb-doped silica core… read more here.
Keywords: micro structured; structured optical; silica micro; optical fibers ... See more keywords
Thermally stable ZnO doped SiO2–TiO2 nanocomposite based Opto-chemical sensor
Sign Up to like & getrecommendations! Published in 2021 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2021.124687
Abstract: Abstract Sol-gel-based zinc doped silica-titania (ZST) nanocomposite matrix coated optical fiber has been prepared for pH sensing. Finding relies on evanescent wave absorption in a thin film deposited on the PCS fiber core. Four different… read more here.
Keywords: zinc doped; doped silica; silica titania; nanocomposite matrix ... See more keywords
2 μm Tm3+ doped silica microsphere laser using amplified spontaneous emission light for pumping
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.125137
Abstract: Abstract Single wavelength laser sources used for pumping lasers demonstrate poor resistance to environmental factors. Therefore, a method for employing an amplified spontaneous emission (ASE) light source for pumping thulium ion (Tm 3 + )… read more here.
Keywords: spontaneous emission; doped silica; silica microsphere; amplified spontaneous ... See more keywords
Preparation of lucigenin-doped silica nanoparticles and their application in fiber optic chloride ion sensor
Sign Up to like & getrecommendations! Published in 2019 at "Optical Materials"
DOI: 10.1016/j.optmat.2019.109467
Abstract: Abstract A novel fiber optic sensor was developed to detect chloride ion by means of a cellulose acetate (CA) sensitive film, in which the lucigenin-doped silica nanoparticles were synthesized by the reverse microemulsion method and… read more here.
Keywords: chloride ion; silica nanoparticles; lucigenin doped; doped silica ... See more keywords
Dosimetric characteristics of fabricated Ge-doped silica optical fibre for small-field dosimetry
Sign Up to like & getrecommendations! Published in 2019 at "Results in Physics"
DOI: 10.1016/j.rinp.2018.12.030
Abstract: Abstract We study 3 mm long germanium-doped (Ge-doped) silica fibres for small-field dosimetry, seeking to overcome spatial resolution and charged-particle disequilibrium issues, also any associated dose deviation from that of computerised treatment plan dose delivery. Investigation… read more here.
Keywords: fibre; small field; doped silica; field dosimetry ... See more keywords
Laser cooling of ytterbium-doped silica glass
Sign Up to like & getrecommendations! Published in 2020 at "Communications Physics"
DOI: 10.1038/s42005-020-00401-6
Abstract: Laser cooling of a solid is achieved when a coherent laser illuminates the material in the red tail of its absorption spectrum, and the heat is carried out by anti-Stokes fluorescence of the blue-shifted photons.… read more here.
Keywords: laser; silica glass; doped silica; cooling ytterbium ... See more keywords