GB1469230A - Preparation of chemical c-mpounds - Google Patents

Preparation of chemical c-mpounds

Info

Publication number
GB1469230A
GB1469230A GB1078673A GB1078673A GB1469230A GB 1469230 A GB1469230 A GB 1469230A GB 1078673 A GB1078673 A GB 1078673A GB 1078673 A GB1078673 A GB 1078673A GB 1469230 A GB1469230 A GB 1469230A
Authority
GB
United Kingdom
Prior art keywords
compound
zns
activators
evaporated
coated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1078673A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB1078673A priority Critical patent/GB1469230A/en
Publication of GB1469230A publication Critical patent/GB1469230A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00—Compounds of zinc
    • C01G9/006—Compounds containing, besides zinc, two ore more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00—Selenium; Tellurium; Compounds thereof
    • C01B19/007—Tellurides or selenides of metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
    • C01G1/12—Sulfides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/0805—Chalcogenides
    • C09K11/0811—Chalcogenides with zinc or cadmium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/0805—Chalcogenides
    • C09K11/0816—Chalcogenides with alkaline earth metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Luminescent Compositions (AREA)

Abstract

1469230 Luminescent materials DEFENCE SECRETARY OF STATE FOR 4 June 1974 [6 March 1973] 10786/73 Heading C4S [Also in Division C1] A method of preparing a compound of formula E 2 GL 3 where E is one of Ca, Sr, Ba, G is one of Zn, Cd, Hg and L is one of S, Se, Te comprises treating in an inert atmosphere a compound EL with a compound GL by heating to produce at least some compound of the above formula. Preferably, EL and GL are in a 2 : 1 molar ratio. When the compounds are phosphors, activators and coactivators may be included, and the phosphors used in c.r.t.s and electroluminescent devices. Reference is made to devices which exhibit fluorescence (e.g. by U.V. or X-ray excitation and those which cathodoluminesce. Activators may be Mn or one or more (e.g. two or more) rare earths, e.g. Er. The phosphor is preferably particulate and Cu coated. Preparations of starting materials and final products are detailed and reference made to Specification 1,449,602. ZnS for example produced by precipitation from Zn acetate by thioacetamide addition yields only a few p.p.m. of Cd, Bi, and In. α or # form ZnS may be used. Metallic sulphides electroluminesce if doped with Mn and Cl for instance and Cu coated as in Specification 1,314,522. 0À5% Mn may be added to Ba 2 ZnS 3 from an ethanol solution which is evaporated, the mixture being fired at 800-900‹ C. In the Figure, phosphor particles are dispersed in a translucent matrix, e.g. polymethylacrylate, to form layer 10 between tin oxide strip 14 and evaporated Al film 18. The device is treated by a forming process as in Specification 1,300,548.
GB1078673A 1974-06-04 1974-06-04 Preparation of chemical c-mpounds Expired GB1469230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1078673A GB1469230A (en) 1974-06-04 1974-06-04 Preparation of chemical c-mpounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1078673A GB1469230A (en) 1974-06-04 1974-06-04 Preparation of chemical c-mpounds

Publications (1)

Publication Number Publication Date
GB1469230A true GB1469230A (en) 1977-04-06

Family

ID=9974245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1078673A Expired GB1469230A (en) 1974-06-04 1974-06-04 Preparation of chemical c-mpounds

Country Status (1)

Country Link
GB (1) GB1469230A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030853A1 (en) * 1979-12-12 1981-06-24 Hitachi, Ltd. Phosphor and method of manufacturing the phosphor
EP0249942A2 (en) * 1986-06-19 1987-12-23 Tosoh Corporation Thin film electroluminescent layer material
US6610352B2 (en) * 2000-12-22 2003-08-26 Ifire Technology, Inc. Multiple source deposition process
US7699932B2 (en) 2004-06-02 2010-04-20 Micron Technology, Inc. Reactors, systems and methods for depositing thin films onto microfeature workpieces
US8133554B2 (en) 2004-05-06 2012-03-13 Micron Technology, Inc. Methods for depositing material onto microfeature workpieces in reaction chambers and systems for depositing materials onto microfeature workpieces

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030853A1 (en) * 1979-12-12 1981-06-24 Hitachi, Ltd. Phosphor and method of manufacturing the phosphor
EP0249942A2 (en) * 1986-06-19 1987-12-23 Tosoh Corporation Thin film electroluminescent layer material
EP0249942A3 (en) * 1986-06-19 1989-08-09 Tosoh Corporation Thin film electroluminescent layer material
US6610352B2 (en) * 2000-12-22 2003-08-26 Ifire Technology, Inc. Multiple source deposition process
US8133554B2 (en) 2004-05-06 2012-03-13 Micron Technology, Inc. Methods for depositing material onto microfeature workpieces in reaction chambers and systems for depositing materials onto microfeature workpieces
US9023436B2 (en) 2004-05-06 2015-05-05 Micron Technology, Inc. Methods for depositing material onto microfeature workpieces in reaction chambers and systems for depositing materials onto microfeature workpieces
US7699932B2 (en) 2004-06-02 2010-04-20 Micron Technology, Inc. Reactors, systems and methods for depositing thin films onto microfeature workpieces

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19940603