Results 11 to 20 of about 124,796 (262)

Towards an optoelectronic characterization of molecules by nanoscale gold antennas [PDF]

open access: yes, 2014
Molecular electronics and plasmonics are both very promising fields in nanoscale sciences in which their combination is a big challenge. This thesis is divided into two parts.
Fröhlich, Toni
core   +1 more source

Ligand Assisted Control of Photoluminescence in Organometal Perovskite Nanocrystals

open access: yesEurasian Chemico-Technological Journal, 2021
Organometal perovskite nanocrystals have shown remarkable properties not only in photovoltaics, but also in light-emitting devices. In this work colloidal nanocrystals of organometal perovskite CH3NH3PbBr3 (MAPBr) with effective visible photoluminescence
K.S. Sekerbayev   +3 more
doaj   +1 more source

Optical properties of LiNbO3:B crystals

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
The optical properties of nominally pure LiNbO3stoich, near-stoichiometric LiNbO3stoich (6,0 wt% K2O), LiNbO3cong and LiNbO3:B (0,55 and 0,83 mol% B2O3 in the charge) crystals in the visible region of the spectrum (λ = 380-700 nm) were studied by ...
N.V. Sidorov   +4 more
doaj   +1 more source

Making Graphene Luminescent by Oxygen Plasma Treatment [PDF]

open access: yes, 2009
We show that strong photoluminescence (PL) can be induced in single-layer graphene using an oxygen plasma treatment. The PL is spatially uniform across the flakes and connected to elastic scattering spectra distinctly different from those of gapless ...
Novoselov, K. S.   +21 more
core   +2 more sources

Probing Exciton Localization in Single-Walled Carbon Nanotubes Using High-Resolution Near-Field Microscopy [PDF]

open access: yes, 2010
We observe localization of excitons in semiconducting single-walled carbon nanotubes at room temperature using high-resolution near-field photoluminescence (PL) microscopy.
Georgi, Carsten   +7 more
core   +1 more source

Deep ultraviolet hyperspectral cryomicroscopy in boron nitride: Photoluminescence in crystals with an ultra-low defect density

open access: yesAIP Advances, 2020
We report the development of a scanning confocal microscope dedicated to photoluminescence in the 200 nm-wavelength range for samples at cryogenic temperatures (5 K–300 K).
Pierre Valvin   +6 more
doaj   +1 more source

METHOD OF NON-CONTACT PHOTOLUMINESCENT DIAGNOSTICS OF THE EYE FIBROUS TUNIC CONDITION

open access: yesBiomedical Photonics, 2018
Non-contact optical diagnostics of structural disorders of the eye has a number of advantages: high speed, accuracy and a large range of parameters available for analysis.
S. Yu. Petrov   +7 more
doaj   +1 more source

In-situ investigations of the photoluminescence properties of SiO2/TiO2 binary and Boron-SiO2/TiO2 ternary oxides prepared by the sol-gel method and their photocatalytic reactivity for the oxidative decomposition of trichloroethylene

open access: yesInternational Journal of Photoenergy, 2003
Photoluminescence behavior of TiO2, SiO2/TiO2 binary and Boron-SiO2/TiO2 ternary oxides prepared by the sol-gel method was investigated. The differences in their photocatalytic reactivities of TiO2-based photocatalysts were interpreted in terms of the ...
Kyeong Youl Jung   +3 more
doaj   +1 more source

Photoluminescence of a Plasmonic Molecule [PDF]

open access: yesACS Nano, 2015
Photoluminescent Au nanoparticles are appealing for biosensing and bioimaging applications because of their non-photobleaching and non-photoblinking emission. The mechanism of one-photon photoluminescence from plasmonic nanostructures is still heavily debated though.
Da, Huang   +9 more
openaire   +3 more sources

Evolution of Oxygen Deficiency Center on Fused Silica Surface Irradiated by Ultraviolet Laser and Posttreatment [PDF]

open access: yes, 2014
Evolution of oxygen deficiency centers (ODCs) on a fused silica surface irradiated using a 355 nm ultraviolet (UV) laser beam in both vacuum and atmospheric conditions was quantitatively studied using photoluminescence and X-ray photoelectron ...
Hai-Bing Lü   +11 more
core   +1 more source

Home - About - Disclaimer - Privacy