Results 21 to 30 of about 223,542 (263)

Preparation and characterization of fluorescent polysulfate based on fluorescein

Hecheng xiangjiao gongye, 2023
Fluorescent polysulfate （PSE-FL） was prepared by condensation polymerization of bisphenol A （BA）, propane-2,2-diyl bis（4,1-phenylene） bis（sulfurofluoridate） and fluorescein in high temperature solution, and its structure and fluorescence characteristics ...
LI Fu-chong1, LIU Wei2, CAO Wei2, LI Xu3, GUO Jun-hong1, CUI Jin-feng1, YANG Bao-ping1
doaj   +1 more source

Significantly Improved Electrical Breakdown Strength of Natural Ester Liquid Dielectrics by Doping Ultraviolet Absorbing Molecules

IEEE Access, 2019
In this paper, we experimentally demonstrate that molecules with maximum absorption wavelength corresponding to the first excitation energy of base liquid molecules are able to significantly improve the electrical performances of natural ester oils.
Suning Liang, Feipeng Wang, Zhengyong Huang, Weigen Chen, Youyuan Wang, Jian Li   +5 more
doaj   +1 more source

New Non-Fullerene Acceptor with Extended Conjugation of Cyclopenta [2,1-b:3,4-b’] Dithiophene for Organic Solar Cells

Molecules, 2022
Herein, we design and characterize 9-heterocyclic ring non-fullerene acceptors (NFAs) with the extended backbone of indacenodithiophene by cyclopenta [2,1-b:3,4-b’] dithiophene (CPDT).
Cheng Sun, Sanseong Lee, Changeun Choi, Soyeong Jeong, Juhui Oh, Ju-Hyeon Kim, Jaeyoung Kim, Ho Eon Baek, Hongkyu Kang, Soo-Young Jang, Hyun Ho Choi, Kwanghee Lee, Yun-Hi Kim   +12 more
doaj   +1 more source

A phenomenological model for the X-ray spectrum of Nova V2491 Cygni [PDF]

, 2011
The X-ray flux of Nova V2491 Cyg reached a maximum some forty days after optical maximum. The X-ray spectrum at that time, obtained with the RGS of XMM-Newton, shows deep, blue-shifted absorption by ions of a wide range of ionization.
C. Pinto, E. Costantini, F. Verbunt, Ferland, Greiner, Hachisu, Hartmann, Heise, Helton, Henze, Henze, J. S. Kaastra, J.-U. Ness, Kahabka, Kato, Kovetz, Lodders, Lynch, Munari, Naik, Nakano, Nauenberg, Ness, Oegelman, Oegelman, Orio, Paerels, Page, Petz, Pietsch, Pinto, Predehl, Provencal, R. G. Detmers, Rauch, Rudy, Smith, Trümper   +37 more
core   +4 more sources

UV Absorption Spectrum for Dissolved Oxygen Monitoring: A Low-Cost Proposal for Water Quality Monitoring

Photonics, 2023
One of the key indicators of water quality is dissolved oxygen. Even though oxygen is important in environmental monitoring, the sensors for dissolved oxygen are expensive and require periodic maintenance due to the use of membranes.
Aika Miura, Lorena Parra, Jaime Lloret, Mónica Catalá-Icardo   +3 more
doaj   +1 more source

New stabilizer Cellulose Nano Rods-Zinc Oxide (CNR-ZnO) material for nanocomposite synthesis and anti-bacterial applications

Al-Mustansiriyah Journal of Science, 2020
Zinc oxide (ZnO) nanorods were fabricated using Cellulose Nano Rods (CNR) as a new stabilizer material. Synthesized of ZnO-CNR nanocomposites, with a molar ratio of ZnO to CNR (1/2g) were prepared in distilled water. The nanocomposites were distinguished
Wisam Jafer Aziz, Randa Kamel Hussain, Ibraheem Abbas Ibraheem   +2 more
doaj   +1 more source

Fabrication of perfect plasmonic absorbers for blue and near-ultraviolet lights using double-layer wire-grid structures

Journal of the European Optical Society-Rapid Publications, 2021
This study proposes using double-layer wire-grid structures to create narrow-band, perfect plasmonic absorbers, which depend on polarization, for the short-wavelength visible and near-ultraviolet regions of the electromagnetic spectrum.
Atsushi Motogaito, Ryoga Tanaka, Kazumasa Hiramatsu   +2 more
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OPTICAL PROPERTIES OF AMORPHOUS THIN FILMS OF SODIUM-TUNGSTEN OXIDE BRONZES

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
The spectral dependences were measured of the optical density of amorphous thin films of sodium-tungsten oxide bronze of the tetragonal structure and the composition Na0,3WO3, condensed on glass substrates, thermostated at temperatures of 373, 473 and ...
B.M. Khubolov
doaj   +1 more source

Ultraviolet Spectroscopy of Asteroid (4) Vesta [PDF]

, 2011
We report a comprehensive review of the UV-visible spectrum and rotational lightcurve of Vesta combining new observations by Hubble Space Telescope and Swift Gamma-ray Burst Observatory with archival International Ultraviolet Explorer observations.
A’Hearn, Binzel, Blanco, Bodewits, Bodewits, Bowell, Bus, Butterworth, Butterworth, Carol A. Raymond, Chapman, Chapman, Christopher T. Russell, Clark, Cloutis, Dennis Bodewits, Dressel, Drummond, Drummond, Festou, Gaffey, Helfenstein, Hendrix, Hendrix, Hiroi, Jian-Yang Li, Keil, Keller, Lean, Li, Li, Li, Lori M. Feaga, Lucy A. McFadden, Massa, Max J. Mutchler, McCord, Michael F. A’Hearn, Naguchi, Nesvorný, Nichols, Parker, Pieters, Pieters, Poole, Rajan, Roettger, Russell, Schevchenko, Stern, Tedesco, Thomas, Vernazza, Wagner, Wayne Landsman, Weaver   +55 more
core   +3 more sources

Gold Nanoparticles Formation Mechanism by Photochemical Synthesis

Chemical Engineering Transactions, 2018
In this research, the effect of tetrachloroauric acid concentration, irradiation time and silver nitrate concentration on the morphology and radiation absorption of gold nanoparticles obtained by photochemical synthesis was determined. Absorption spectra
J.A. Sanabria-Cala, G.R. Conde Rodriguez, G.H. Gauthier, L.O. Ladeira, D.A. Laverde Catano, D.Y. Pena Ballesteros, D.R. Merchan Arenas   +6 more
doaj   +1 more source