It is also a by-product of the synthesis of ammonia from methane where zinc oxide is used to scavenge hydrogen sulfide impurities in the natural gas: • To prepare a composite CdS-ZnS/zirconium-titaniu m phosphate (ZTP) … (Sax, Dangerous Properties of Industrial Materials) Sulfides of the heavy metals are generally insoluble and hence have little toxic action except through the liberation of hydrogen sulfide. zinc sulfide phosphor particle size size distribution average Prior art date 1995-06-28 Legal status (The legal status is an assumption and is not a legal conclusion. Typical sources include smelter, slag, and pickle liquors. 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Read "Effect of shock-wave treatment of zinc sulfide on properties of ZnS:Cu,Mn phosphor, Russian Journal of Applied Chemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. zinksulfidefosfor. Soc. Figure 1: Silver Activated zinc sulfide powder. priority date: 12/24/1956; Status: Expired due to … : USDOE OSTI Identifier: 4226362 Online vertaalwoordenboek. Soc. English-Dutch technical dictionary. Protective Silica Coatings on Zinc‐Sulfide‐Based Phosphor Particles Guillermo R. Villalobos United States Naval Research Laboratory, Washington, DC 20375–0001 Zinc sulfide is usually produced from waste materials from other applications. It … Translation for: 'zinc sulfide phosphor' in English->Dutch dictionary. These products consist of a very uniform deposit of blue-emitting P22 type silver activated zinc sulfide phosphor (ZnS:Ag) applied to one side of a backing material. Roy. (2) The crystal growth of zinc sulfide phosphor takes place at about 500°C regardless of whether there is flux or not, but the rate of … ZINC SULFIDE, PHOSPHOR - chemical information, properties, structures, articles, patents and more chemical data. sodium pyrosulphite, 97% min purity, white crytalline powder, industry grade, smbs manufacturer, rubber solidifying agents. zinc sulfide phosphor. Website © 2020 AIP Publishing LLC. Sodium Pyrosulfite Used for Rubber Coagulant. G. F. J. Garlick and A. F. Gibson, Proc. In zinc processing: Other industrial compounds. Allgem. The instant method of making a copper- and/or manganese-activated zinc sulfide electroluminescent phosphor employs a low-temperature vapor state reaction between zinc- and copper- and/or manganese-containing species and a gaseous mixture of hydrogen sulfide gas, hydrogen chloride gas and, optionally, an inert carrier gas. 53 065016) a generic energy bands model for phosphors consisting of semiconductors is presented. In the presence of a relatively high percentage of lead or certain other agents and after the usual excitation, zinc sulfide phosphors become capable of storing luminescence energy at such a high potential that, unlike phosphorescence, it can be released only by radiation with the near infra-red. A phosphor is composed of a base compound (a pure insulating material or a wide energy gap semiconductor, as in the case of ZnS) that is “activated” with the addition of a small percentage of impurities (doping). There is no cumulative effect from the inhalation of zinc fumes. Full Record; Other Related Research; Authors: Otomo, Y Publication Date: Sat Aug 01 00:00:00 EDT 1959 Research Org. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Chemie. f. Anorg. Zinc oxide dust which is not freshly formed is virtually innocuous. The product is a cubic ZnS:Cu-phosphor, which emits green light at 530 nm. The first phosphor synthesized was probably an impure barium sulfide preparation with very low luminance efficiency and with the serious shortcoming that it was rather quickly decomposed in moist air, yielding hydrogen sulfide.A more stable sulfide-type phosphor was produced in 1866 by heating zinc oxide in a stream of hydrogen sulfide. with great purity and very stable quality. Article copyright remains as specified within the article. To sign up for alerts, please log in first. B. Gudden and R. W. Pohl, Zeits. zinc sulfide phosphor. f. Physik. : Hitachi Co., Ltd., Tokyo Sponsoring Org. When pure zinc sulfide is struck by an electron beam, it gives off a greenish glow. 1.Luminous powder with automatic absorption of light, store light, luminous performance, absorb all kinds of natural light (sunlight), lighting, etc. The phosphorescence and thermoluminescence of zinc sulfide phosphors are governed by the mechanism of electron trapping in the phosphor crystal lattice. Selecting this option will search the current publication in context. Zinc sulfide can be used: • To prepare flexible transparent conductive coatings essential for fabrication of a variety of printed electronic devices such as flexible displays and solar cells. ON THE CRYSTAL GROWTH OF ZINC SULFIDE PHOSPHOR. Wide-Spectrum Manipulation of Triboelectrification-Induced Electroluminescence by Long Afterglow Phosphor in Elastomeric Zinc Sulfide Composite March 2019 Journal of Materials Chemistry C 7(15) Mijnwoordenboek.nl is een onafhankelijk privé-initiatief, gestart in 2004. The exact color given off by a phosphor also depends on the presence of small amounts of impurities. Selecting this option will search all publications across the Scitation platform, Selecting this option will search all publications for the Publisher/Society in context, The Journal of the Acoustical Society of America, Department of Physics, University of Birmingham, Birmingham, England. American Elements manufactures ZnS:Cu,Al Phosphor in both research and bulk quantities. Experiments have been carried out to find the effect of phosphor constitution and method of preparation on the numbers and the energy distribution of electron traps. EFFECT OF NEUTRON BOMBARDMENT ON A ZINC SULFIDE PHOSPHOR. Luminescent materials and phosphor chemistry. Full Record; Other Related Research; Authors: Smith, A W; Turkevich, J Publication Date: … A wide variety of zinc sulfide price options are available to you, such as sulfide. Educ. The composite material can emit the blue, green, red, and white fluorescence, such that TIEL can achieve wide-spectrum manipulation by adjusting the component proportions. The phosphorescence and thermoluminescence of zinc sulfide phosphors are governed by the mechanism of electron trapping in the phosphor crystal lattice. NL:zinc sulfide phosphor. Zinc sulfide phosphors are used with radioactive materials, where the phosphor was excited by the alpha- and beta-decaying isotopes, to create luminescent paint for dials of watches and instruments (radium dials).Between 1913 and 1950 radium-228 and radium-226 were used to activate a phosphor made of silver doped zinc sulfide (ZnS:Ag), which gave a greenish glow. Silver activated zinc-sulfide, ZnS:Ag, is a free-flowing white fluorescent powder having exceedingly high scintillation efficiency. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) J. T. Randall and M. H. F. Wilkins, Proc. A. T. Allen and J. L. Greenshaw, Zeits. OSTI.GOV Journal Article: EFFECT OF NEUTRON BOMBARDMENT ON A ZINC SULFIDE PHOSPHOR. 979 zinc sulfide price products are offered for sale by suppliers on Alibaba.com, of which sulfide accounts for 9%, pharmaceutical intermediates accounts for 1%. OSTI.GOV Journal Article: ON THE CRYSTAL GROWTH OF ZINC SULFIDE PHOSPHOR. Lithopone, which is a mixture of zinc sulfide and… We claim: 1. For example, zinc sulfide with silver metal as an impurity gives off a bluish glow and with copper metal as … Figure 2: Silver activated zinc sulfide powder viewed under UV illumination. In the image aside (Massimiliano Malgieri et al 2018 Phys. (1) The zinc sulfide, before firing, is a large aggregate of crystallites with the crystal diameter of about 150 Å and contains about 8% of α-form. After grinding, heated in hydrogen sulfide at 880°C, held for 10 min in this condition and cooled slowly. Experiments have been carried out to find the effect of phosphor constitution and method of preparation on the numbers and the energy distribution of electron traps. Patent US2951813A - Method of preparing an electroluminescent zinc sulfide phosphor (US 2,951,813 A); Owner: Anselm Wachtel; Filed: 12/24/1956; Est. glow in the dark pigment Introduction:. ZnS:Ag PHOSPHOR POWDER EJ-600 . yellow green glow in the dark Zinc Sulfide phosphor powder . The long afterglow phosphors can absorb the green TIEL from ZnS:Cu and then convert it into blue and red photoluminescence (PL) through photostimulated luminescence (PSL). These impurities deform the crystal structure, producing various types of metastable energy levels between the conduction band … ZnS:Cu (Zinc Sulfide) green lighting luminescent glowing pigment powder phosphor, US $ 400 - 450 / Kilogram, Shanghai, China, KPT, Electrodeless.Source from Shanghai Keyan Phosphor Technology Co., Ltd. on Alibaba.com. ZnS:Cu,Al - zinc sulfide co-doped with copper and aluminum - is a green phosphor powder with an emission peak of 530nm. sodium pyrosulfite used for … zinc sulfide phosphors phosphor infrared Prior art date 1956-04-30 Legal status (The legal status is an assumption and is not a legal conclusion. Expired - Lifetime Application number US581370A Inventor Herman C Froelich By adding other metals, phosphorescence in other regions of visible light can be obtained. Search nearly 14 million words and phrases in more than 470 language pairs. If you need an account, please register here, Other studies have been made of the effect of the mixed crystal proportions in the ZnS–CdS–Cu. This option allows users to search by Publication, Volume and Page. Encapsulating copper-activated zinc sulfide phosphor particles was an effective method in order to prolong the lifetime of electroluminescence device and solve the problem of phosphor aged quickly. A copper- and/or manganese-activated zinc sulfide electroluminescent phosphor consisting essentially of particles of platelet-type ferroelectric material the surfaces which are coated with a layer of copper- and/or manganese-activated zinc sulfide electroluminescent phosphor of a thickness less than about 0.5 micrometers. 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