Academic literature on the topic 'Luminophors'
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Journal articles on the topic "Luminophors"
Tomin, V. I., K. Hubisz, and Z. Mudryka. "Anomalous Inhomogeneous Broadening of Electronic Spectra of Molecules with Internal Charge Transfer." Zeitschrift für Naturforschung A 58, no. 9-10 (October 1, 2003): 529–36. http://dx.doi.org/10.1515/zna-2003-9-1009.
Full textDybova, T. N., N. V. Komarov, Yu N. Koryukin, N. G. Moskovchenko, and V. V. Popov. "Organosilicon luminophors for luminescent solar concentrators." Journal of Applied Spectroscopy 55, no. 5 (November 1991): 1177–80. http://dx.doi.org/10.1007/bf00658422.
Full textBenderskaya, L. P., E. G. Morozov, S. A. Borisov, and A. I. Novikov. "Broad- and narrow-band lamp luminophors." Journal of Applied Spectroscopy 62, no. 3 (May 1995): 568–72. http://dx.doi.org/10.1007/bf02606705.
Full textKolerov, A. N. "Making reference aerosols from laser luminophors." Measurement Techniques 43, no. 3 (March 2000): 285–87. http://dx.doi.org/10.1007/bf02503528.
Full textChen, Pengfei, Yuanye Yin, Yingyong Ni, Huichao Zhu, Jianyan Huang, Jiaxiang Yang, Jianjun Yang, and Lin Kong. "Molecular engineering of carbazole–acrylonitrile fluorophores: substituent-dependent optical properties and mechanochromism." CrystEngComm 23, no. 11 (2021): 2289–96. http://dx.doi.org/10.1039/d1ce00012h.
Full textSwamy, K. M. K., Min Sun Park, Su Jung Han, Sook Kyung Kim, Ju Hee Kim, Chongmok Lee, Hyunjin Bang, Youngmee Kim, Sung-Jin Kim, and Juyoung Yoon. "New pyrrolopyridazine derivatives as blue organic luminophors." Tetrahedron 61, no. 43 (October 2005): 10227–34. http://dx.doi.org/10.1016/j.tet.2005.08.038.
Full textDaniklin, M., M. Must, É. Pedak, É. Pyarnova, G. Ryasnyi, V. Seman, I. Shpin'kov, and L. Shpin'kova. "Formation of europium centers in CaS:Eu, Cl luminophors." Journal of Applied Spectroscopy 62, no. 3 (May 1995): 559–63. http://dx.doi.org/10.1007/bf02606703.
Full textSontakke, Atul D., Jean-Marie Mouesca, Victor Castaing, Alban Ferrier, Mathieu Salaün, Isabelle Gautier-Luneau, Vincent Maurel, Alain Ibanez, and Bruno Viana. "Time-gated triplet-state optical spectroscopy to decipher organic luminophores embedded in rigid matrices." Physical Chemistry Chemical Physics 20, no. 36 (2018): 23294–300. http://dx.doi.org/10.1039/c8cp03952f.
Full textInglev, Rune, Emil Møller, Jonas Højgaard, Ole Bang, and Jakob Janting. "Optimization of All-Polymer Optical Fiber Oxygen Sensors with Antenna Dyes and Improved Solvent Selection Using Hansen Solubility Parameters." Sensors 21, no. 1 (December 22, 2020): 5. http://dx.doi.org/10.3390/s21010005.
Full textBarabanov, I. I. "New bifunctional luminophors. Synthesis of (p-N,N-dimethylaminophenyl)cyanoperylenes." Russian Journal of Organic Chemistry 44, no. 11 (November 2008): 1626–30. http://dx.doi.org/10.1134/s1070428008110109.
Full textDissertations / Theses on the topic "Luminophors"
Lacanilao, Arnold. "Influence de fondants fluorés et de la dégradation thermique sur les propriétés structurales et optiques du luminophore bleu BaMgA110O17." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00831609.
Full textCzesnakowska, Ada. "Développement d'une source de lumière blanche grâce au couplage d'une diode laser et d'un luminophore adaptés." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30180/document.
Full textIn past few years InGaN-based semiconductors have attracted much more attention for application in solid-state lighting sources. Recently, their usage is constantly increasing on worldwide market. High-brightness white LEDs have been used due to their size, long life and energy saving. However, LEDs used in light sources suffer from a loss in external quantum efficiency as an operating current increases. This loss may lead to a shift in peak emission wavelength and broadening of emission spectrum. Laser diodes, in contrary to LEDs, do not suffer this loss. The output power increases linearly with injection current. Moreover, they can reach higher luminosity, for the same power, than LEDs. Additionally, laser-based devices can be operated in reflection mode, allowing for the phosphor to be placed on a reflection substrate that may also act as a heat sink to effectively dissipate heat away from the phosphor
Mori, Hideo, Tomohide Niimi, Madoka Hirako, and Hiroyuki Uenishi. "Molecular number flux detection using oxygen sensitive luminophore." American Institite of Physics, 2005. http://hdl.handle.net/2237/6961.
Full textKose, Muhammet Erkan. "Multi-luminophore coatings for pressure sensitive paint applications." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0009861.
Full textJohn, Kannan John Mohanraj <1985>. "Luminophores and Carbon nanostructures: towards new functional materials." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4773/.
Full textBurner, Pauline. "Nouvelle génération de luminophores pour l'éclairage par LED." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI064/document.
Full textWhite solid state lighting is recognized as a major disruptive technology with an urgent need of low coast prices, associated to good color quality, confortable for eyes, by reducing the bluish harmful contribution of “cold” lighting. At Néel Institute, we develop a new type of phosphors based on yttrium aluminoborate powders. These innovating powders exhibit a large emission band on the whole visible range, arising from structural defects in the amorphous matrix. Thus, with a single phosphor, one can generate warm white lighting through the excitation of LEDs emitting in the near UV (370-390 nm). Moreover, these phosphors don’t possess lanthanides, making them less expensive.The powders synthesized by chimie douce routes, are annealed under controlled atmosphere. The yttrium alominoborate phosphors were first prepared by the polymercic precursor method. This synthesis road involved several steps and relatively high annealing temperatures (700-740°C). This thesis was focused on the sol-gel synthesis method. By this work, the duration process, the annealing temperature (450°C-650°C), and the global mass loss incoming from the organic precursors decomposition were significantly reduced.Thermal analysis (TDA-TG) coupled with mass spectrometry and 13C RNM show residual carbon groups in luminescent powders. Nevertheless, one part of the residual carbons is pyrolytic carbon (aromatic carbon), which leads to partial re-absorption of the visible emitted luminescence, and thus induces a decrease of the emission intensity.The structural characterizations of yttrium aluminoborate powders (XRD, FTIR, NMR) show that Al4B2O9 aluminoborate phase, is the first appearing crystalline phase during the increase of calcination temperature. The Pair Distribution Function (PDF) study demonstrates that amorphous aluminoborate matrix exhibit a short range ordering close to Al4B2O9 phase: a cyclic tridimensional organization of metal bridges by oxo or hydroxo ligands. On the other hand, based on 13C NMR results, yttrium seems to conserve propionate ligands in its coordination sphere until high temperature. Otherwise, the presence of radical species was evidenced in luminescent powders by electronic paramagnetic resonance. A set of measurements performed at different frequencies, in continuous and pulsed modes, allows attributing that species to carbon radicals. The presence of several luminescence species exhibiting essentially fluorescence properties (ns life time) and very weak phosphorescence emission (ms and s lifetime) was shown by the means of photoluminescence studies steady-state and time resolved coupled to thermoluminescence analysis. The powders synthesized by sol-method exhibit a 30 % internal quantum yield.Thanks to the different characterizations, luminescent powders synthesized by the sol-gel route seem to contain two types of residual carbons: one at the origin of the luminescence properties (carbon-related radicals) while the other, pyrolytic carbon, is damaging as it absorbs partially the luminescence emission. To conclude, we suggest an extrinsic mechanism for the photoluminescence, which is based on carbon centers dispersed inside the mineral matrix, favoring mainly fluorescence in blue (430 nm) and green emissions (500 nm) associated with a weak phosphorescence emission in the same emission range
Poeplau, Michael [Verfasser]. "Untersuchung der sauerstoffinduzierten Quenchingmechanismen zinkbasierter Luminophore / Michael Poeplau." Paderborn : Universitätsbibliothek, 2021. http://d-nb.info/1236630076/34.
Full textViste, Pierre. "Etude expérimentale des interactions entre luminophores et nanoparticules métalliques." Troyes, 2007. http://www.theses.fr/2007TROY0023.
Full textLuminescence can be modified (enhanced or quenched) by metal nanoparticles. The interplay between fluorescent dyes and metal nanoparticles involves numerous processes and depend on numerous parameters. Their influence on luminescence is still debated. In this study, we focus on nanoparticle size and distance between fluorescent species and nanoparticles. For this purpose, gold and silver nanoparticles are elaborated by electron beam lithography which offers the possibility to control the nanoparticle geometry. The distance between fluorescent dyes and metal nanoparticles is controlled by layer by layer deposition. Quenching is observed near silver nanoparticles but this phenomenon decreases when the nanoparticle size increases. Enhancement is observed near gold nanocylinder for the largest size. Enhancement occurs when the localized surface plasmon resonance of the nanoparticle is redshifted compared with fluorescent specie wavelength emission. Enhancement can be related to the excitation of localized surface plasmon resonance by fluorescence. This energy transfert from fluorescent species to metal nanoparticles is observed by increasing the distance between these objects. The enhancement and quenching phenomena decrease with the distance. This enhancement and quenching decrease can be related to a dipole-dipole coupling
Thomas, Sébastien. "Synthèse par ammonolyse et étude des propriétés de luminescence dans des oxynitrures de structure apatite dopés au cérium ou à l’europium." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14698/document.
Full textRare-earth doped oxynitrides have attracted much attention as phosphors for white LEDs. A new family of Ce3+ or Eu2+-doped oxynitride phosphors with the apatite structure has been studied: La8+xSr2-x(Si/Ge)6NyO26+x/2-3/2y. The ammonolysis of an apatite oxide precursor has been used as a general method of synthesis, allowing decreasing the nitriding temperature respective to the classical solid state reaction in N2/H2 atmosphere. The luminescence properties of the obtained phosphors have been studied and relationships with the crystalline structure have been drawn.The apatite structure shows several crystallographic sites available for nitrogen as well as two cationic sites for optically active rare-earth ions. Several structural characterization technique have been used (IR, Raman, NMR, Neutron diffraction) and important information has been obtained concerning the nitrogen distribution in the available positions of the crystal structure. Comparison of the luminescent properties with those of compounds reduced under Ar/H2 allowed attributing emissions to the different crystallographic sites available in the structure.Quantum efficiency measurements have been carried out as well as trials for improving the intensity of the luminescent properties
Catalano, Christophe. "Couplage entre les lasers solides émettant dans le bleu et les luminophores jaunes pour l'obtention de la lumière blanche pour l'éclairage." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30007.
Full textCurrently, Light Emitting Diodes or LEDs are an increasingly important part of global lighting. However, recent research has made possible to develop an even more energy efficient solution than LEDs by optically coupling laser diodes to a remote phosphor. Laser diodes operate on a principle similar to LEDs but allow to obtain a higher luminous power. In fact for an equivalent luminous power, this allows to use less laser diodes and thus greatly reduce problems caused by using a network of light sources. Laser diodes are also less prone to thermal runaway than LEDs. However, this solution isn't perfect: a laser diode requires more heat dissipation and produces a higher level of blue light output than an LED. The aim of this manuscript is to study the characterization and the modeling of a diode laser / phosphor coupling in order to be able to define the axes of improvement of this technology as well as to realize an experimental model
Books on the topic "Luminophors"
Tripathi, Neetu, and Manoj Kumar Goshisht. Aggregation of Luminophores in Supramolecular Systems. Taylor & Francis Group, 2020.
Find full textTripathi, Neetu, and Manoj Kumar Goshisht. Aggregation of Luminophores in Supramolecular Systems: From Mechanisms to Applications. Taylor & Francis Group, 2020.
Find full textTripathi, Neetu, and Manoj Kumar Goshisht. Aggregation of Luminophores in Supramolecular Systems: From Mechanisms to Applications. Taylor & Francis Group, 2020.
Find full textTripathi, Neetu, and Manoj Kumar Goshisht. Aggregation of Luminophores in Supramolecular Systems: From Mechanisms to Applications. Taylor & Francis Group, 2020.
Find full textTripathi, Neetu, and Manoj Kumar Goshisht. Aggregation of Luminophores in Supramolecular Systems: From Mechanisms to Applications. Taylor & Francis Group, 2020.
Find full textParker, Philip M. The World Market for Inorganic Products Used As Luminophores: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.
Find full textParker, Philip M. The 2007 Import and Export Market for Inorganic Products Used As Luminophores in China. ICON Group International, Inc., 2006.
Find full textParker, Philip M. The 2007 Import and Export Market for Inorganic Products Used As Luminophores in United States. ICON Group International, Inc., 2006.
Find full textThe World Market for Synthetic Organic Fluorescent Brightening Agents or Luminophores: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.
Find full textParker, Philip M. The 2007 Import and Export Market for Synthetic Organic Fluorescent Brightening Agents or Luminophores in India. ICON Group International, Inc., 2006.
Find full textBook chapters on the topic "Luminophors"
Ignatovych, M., A. Kelemen, N. Otvos, V. Holovej, V. Ogenko, and A. Chuiko. "X-Ray Luminophors for Radiation Monitoring." In Role of Interfaces in Environmental Protection, 121–27. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0183-0_7.
Full textParveen, Saima, Muhammad Sohail Aslam, Lianzhe Hu, and Guobao Xu. "ECL Luminophores." In SpringerBriefs in Molecular Science, 45–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39555-0_4.
Full textMiao, Wujian, and Liping Lu. "Chapter 3. Efficient ECL Luminophores." In Analytical Electrogenerated Chemiluminescence, 59–91. Cambridge: Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788015776-00059.
Full textRuggi, Albert, David N. Reinhoudt, and Aldrik H. Velders. "Biomedical Applications of Metal-Containing Luminophores." In Bioinorganic Medicinal Chemistry, 383–406. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633104.ch13.
Full textLloyd, David, Michael P. Coogan, and Simon J. A. Pope. "Novel Metal-Based Luminophores for Biological Imaging." In Reviews in Fluorescence 2010, 15–44. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9828-6_2.
Full textKhitiri, G., I. Chikvaidze, and R. Kokilashvili. "Water-Proofing Materials, Luminophore, and Other Deficient Products." In Science and Technology of Polymers and Advanced Materials, 281–87. Includes bibliographical references and index.: Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429425301-22.
Full textImai, Yoshitane. "Circularly Polarized Luminescence from Solid-State Chiral Luminophores." In Advances in Organic Crystal Chemistry, 325–40. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5085-0_16.
Full textPanyushkin, V., F. A. Kolokolov, A. I. Oflidi, and M. A. Nazarenko. "Electrochemical Synthesis of Coordination Compounds of Lanthanides: Effective Luminophores." In Handbook of Ecomaterials, 2615–53. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-68255-6_42.
Full textPanyushkin, V. T., F. A. Kolokolov, A. I. Oflidi, and M. A. Nazarenko. "Electrochemical Synthesis of Coordination Compounds of Lanthanides: Effective Luminophores." In Handbook of Ecomaterials, 1–39. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48281-1_42-1.
Full textShimizu, Masaki. "Precious Metal-Free Organic Small Molecule Luminophores That Exhibit Room Temperature Phosphorescence." In Principles and Applications of Aggregation-Induced Emission, 43–76. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99037-8_3.
Full textConference papers on the topic "Luminophors"
Nedilko, S. G., O. V. Chukova, Yuri A. Hizhnii, and V. I. Sheludko. "Structural transformations caused in sulphate luminophors during thermal treatment." In SPIE Proceedings, edited by Sergey V. Svechnikov and Mikhail Y. Valakh. SPIE, 2003. http://dx.doi.org/10.1117/12.497292.
Full textDemir, Hilmi Volkan. "White light generating semiconductor nanocrystal luminophors with high photometric quality." In 2008 IEEE PhotonicsGlobal@Singapore (IPGC). IEEE, 2008. http://dx.doi.org/10.1109/ipgc.2008.4781336.
Full textHuyal, Ilkem Ozge, Tuncay Ozel, Donus Tuncel, and Hilmi Volkan Demir. "Increased quantum efficiency and reduced red-shift in polymer nanoparticle luminophors." In LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS 2008). IEEE, 2008. http://dx.doi.org/10.1109/leos.2008.4688714.
Full textVasin, A., M. G. Zuev, E. V. Batalova, and E. A. Shebuhova. "Synthesis and spectral properties of germanate luminophors with the cationic-anionic substitution in the structure." In PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON AUTOMOTIVE INNOVATION GREEN ENERGY VEHICLE: AIGEV 2018. Author(s), 2019. http://dx.doi.org/10.1063/1.5087396.
Full textBilyi, Mykola U., Sergiy G. Nedelko, and O. V. Chukova. "Influence of impurities and thermal treatment temperature on the spectral properties of the chromate luminophors." In International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, edited by Sergey V. Svechnikov and Mikhail Y. Valakh. SPIE, 1995. http://dx.doi.org/10.1117/12.226193.
Full textAdamo, Giorgio, Behrad Gholipour, Kar Cheng Lew, Daniele Cortecchia, Harish N. S. Krishnamoorthy, Annalisa Bruno, Jin-Kyu So, Muhammad D. Birowosuto, Nikolay I. Zheludev, and Cesare Soci. "Nanopatterning-enhanced perovskite luminophores." In 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2017. http://dx.doi.org/10.1109/cleoe-eqec.2017.8087827.
Full textWENDLER, JANINE, SABINE HOLST, R. HARDELAND, BEATA K. ZSIZSIK, CHANDANA HALDAR, and B. POEGGELER. "PHENOLIC AND INDOLIC RADICAL SCAVENGERS AS LUMINOPHORES." In Proceedings of the 11th International Symposium. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811158_0063.
Full textMrazek, Jan, Petr Varak, Jan Aubrecht, Sona Vytykacova, Yauhen Baravets, and Ivan Kasik. "Nanocrystalline Ceramic Luminophores for Short- and Mid-Infrared." In 2020 22nd International Conference on Transparent Optical Networks (ICTON). IEEE, 2020. http://dx.doi.org/10.1109/icton51198.2020.9203154.
Full textPurwanto, Eko, Pascal Dupuis, Laurent Canale, Ngapuli I. Sinisuka, and Georges Zissis. "Aging study of remote luminophore at ambient temperature." In 2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2019. http://dx.doi.org/10.1109/eeeic.2019.8783248.
Full textMitsuo, Kazunori, Mitsuru Kurita, Kazuyuki Nakakita, Keisuke Fujii, Shigeya Watanabe, Shinya Katagiri, and Yuji Wada. "Development of Bi-Luminophore Pressure-Sensitive Paint Systems." In 2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities. IEEE, 2007. http://dx.doi.org/10.1109/iciasf.2007.4380885.
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