Results 11 to 20 of about 2,962,124 (253)

Synthesis and charaterisation of phosphorescent copper (I) complexes for light emitting devices [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Over the last decade, many significant developments have been made to improve the active materials in a new generation of organic light emitting devices ...
Andrés-Tomé, María Inmaculada
core   +7 more sources

Preliminary Investigation on the Physiology and Ecology of Luminescence in the Copepod, Metridia lucens [PDF]

open access: yes, 1961
1. Skin glands believed to be the source of luminescence were found on the anterior portion of the head, on the last thoracic segment, and on the posterior margins of each segment of the abdomen. 2. The maximum intensity of the luminescent flash was 1.2
Conover, Robert J.   +4 more
core   +1 more source

Image-Processing Software for High-Throughput Quantification of Colony Luminescence

open access: yesmSphere, 2019
Many microbiological assays include colonies that produce a luminescent or fluorescent (here generalized as “luminescent”) signal, often in the form of luminescent halos around the colonies.
Eyal Dafni   +4 more
doaj   +1 more source

N,N-Dimethyl-4-amino-2,1,3-benzothiadiazole: Synthesis and Luminescent Solvatochromism

open access: yesChemistry Proceedings, 2021
N,N-Dimethyl-4-amino-2,1,3-benzothiadiazole (BTDNMe2) was synthesized from the commercially available 2,1,3-benzothiadiazole (BTD) by nitration in a sulfonitric mixture, followed by a reduction of the nitro group and subsequent methylation with ...
Valentina Ferraro   +2 more
doaj   +1 more source

Influence of Light Conditions and Light Sources on Clinical Measurement of Natural Teeth Color using VITA Easyshade Advance 4.0® Spectrophotometer: Pilot Study

open access: yesActa Stomatologica Croatica, 2016
Objectives: The purpose of this study was to evaluate and compare lightness (L), chroma (C) and hue (h), green-red (a) and blue-yellow (b) character of the color of maxillary right central incisors in different light conditions and light sources ...
Ivona Posavec   +2 more
doaj   +1 more source

Luminescence measurement of band gap [PDF]

open access: yesActa Physica Sinica, 2022
Optical band gap or band gap is an important characteristic parameter of semiconductor materials. In this study, several representative InGaN/GaN multiple quantum well structures are taken as the research objects, and the test conditions that need to be met for the luminescence measurement of the optical band gap of the InGaN well layer at a certain ...
Kai-Ju Shi   +5 more
openaire   +1 more source

Characterizing the luminescent properties of upconversion nanoparticles in single and densely packed state [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
Luminescent properties of Er3+- and Yb3+- co-doped CaF2 upconversion nanoparticles (UCNPs) were investigated in single particle and densely-packed states with a custom-built microscope.
Xiaohu Chen   +9 more
doaj   +1 more source

Spatially Resolved Optical Efficiency Measurements of Luminescent Solar Concentrators. [PDF]

open access: yes, 2023
Luminescent solar concentrators (LSCs) are able to concentrate both direct and diffuse solar radiation, and this ability has led to great interest in using them to improve solar energy capture when coupled to traditional photovoltaics (PV). In principle,
Tomi K. Baikie (7467284)   +9 more
core   +5 more sources

Luminescent molecular thermometers for the ratiometric sensing of intracellular temperature

open access: yesReviews in Analytical Chemistry, 2017
Recently, numerous luminescent molecular thermometers that exhibit temperature-dependent emission properties have been developed to measure the temperatures of tiny spaces.
Uchiyama Seiichi, Gota Chie
doaj   +1 more source

Europium(III) diphenylphosphinate as a potential low-dimensional nanostructured coordination polymer scintillator

open access: yesMaterials Letters: X, 2023
Rare earth diphenylphosphinates – [RE(dpp)3]n – are low-dimensional nanostructured luminescent materials with considerable thermal and chemical stability, obtained in powder form, consisting of highly insoluble nanowire/nanorod-shaped particles.
Luís Felipe Bricks Bim   +1 more
doaj   +1 more source

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