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    • 1. 发明授权
    • Radiation detection
    • 辐射检测
    • US06787250B2
    • 2004-09-07
    • US10182924
    • 2002-07-29
    • Kengo ShibuyaMasanori KoshimizuYuko TakeokaKeisuke Asai
    • Kengo ShibuyaMasanori KoshimizuYuko TakeokaKeisuke Asai
    • G01T120
    • G01T1/2018
    • This invention relates to a radiation detection device for detecting ionizing beam discharges such as gamma rays, x-rays, electron beams, charged particle beams and neutral particle beams. Specifically, it relates to a radiation detection device which can measure radiations which exist for a very short time (of the order of subnanoseconds or less) from the appearance of photoemission to extinction. It is an object of this invention to provide a radiation detection device using a perovskite organic-inorganic hybrid compound as a scintillator, the formula of this compound being (R1—NR113)2MX4 or (R2═NR122)2MX4, or alternatively, (NR133—R3—NR133)MX4 or (NR142═R4═NR142)MX4 (in the formula, R1 is a monovalent hydrocarbon group which may contain a heterocyclic ring and may be substituted by halogen atoms, R2 is a divalent hydrocarbon group which may contain a heterocyclic ring and may be substituted by halogen atoms, and may be cyclic, R3 is a divalent hydrocarbon group which may contain a heterocyclic ring and may be substituted by halogen atoms, R4 is a tetravalent hydrocarbon group which may contain a heterocyclic ring and may be substituted by halogen atoms, R11-R14 may be identical or different, and may be hydrogen atoms or alkyl groups having two or more atoms, M is a Group IVa metal, Eu, Cd, Cu, Fe, Mn or Pd, and X is a halogen atom). This radiation detection device can quantify the radiation amount of the detected radiation.
    • 本发明涉及一种用于检测诸如γ射线,X射线,电子束,带电粒子束和中性粒子束的电离束放电的放射线检测装置。 具体地说,本发明涉及一种放射线检测装置,该放射线检测装置可以测量从光照发射到消光的非常短的时间(亚纳秒级以下)存在的辐射。本发明的目的是提供一种辐射检测装置 使用钙钛矿有机 - 无机杂化化合物作为闪烁体,该化合物的化学式为(R 1 -NR 11)2 M 2或(R 2 = NR 12)2 X 2,或者, NR 13 R 3或-NR 14 R 3 =(NR 14)= NR 4 = NR 14)MX 4(式中,R 1为单价 可以含有杂环并且可以被卤素原子取代的烃基,R 2是可以含有杂环并且可以被卤素原子取代的二价烃基,并且可以是环状,R 3是 可以含有杂环并且可以被卤素原子取代的二价烃基,R 4是可以含有杂环的四价烃基,并且可被ha取代 碱原子,R 11 -R 14可以相同或不同,可以是氢原子或具有两个或多个原子的烷基,M是Ⅳa族金属,Eu,Cd,Cu,Fe,Mn或Pd ,X为卤素原子)。 该放射线检测装置能够量化检测出的放射线的辐射量。
    • 3. 发明授权
    • Perovskite-type organic/inorganic lamellar polymer
    • 钙钛矿型有机/无机层状聚合物
    • US06716927B2
    • 2004-04-06
    • US10182611
    • 2002-07-29
    • Yuko TakeokaKeisuke Asai
    • Yuko TakeokaKeisuke Asai
    • C08F27500
    • C08F38/02
    • Amines having an unsaturated bond can be introduced into the organic layer of organic-inorganic laminar perovskite compounds comprising a metal halide and an organic amine, and the organic layer can be polymerized by applying external energy such as by irradiating with UV light or radiation. In this way, the quantum well structure is stabilized. The organic-inorganic laminar perovskite polymer compound is produced by cross-linking unsaturated bonds of an organic-inorganic laminar perovskite compound represented by the general formula (RNH3)2MX4 (in the formula, R is a hydrocarbon group having an unsaturated bond, X is a halogen or mixture of same, M is Group IVa metal, Eu, Cd, Cu, Fe, Mn or Pd). R is represented by CH3(CH2)nC≡C—C≡CCH2 (n=2-14). It is preferred that M is Pb, and X is a bromine atom.
    • 可以将具有不饱和键的胺引入到包含金属卤化物和有机胺的有机 - 无机层状钙钛矿化合物的有机层中,并且可以通过施加外部能量例如通过用UV光或辐射照射来聚合有机层。 以这种方式,量子阱结构是稳定的。 有机 - 无机层状钙钛矿高分子化合物是通过交联由通式(RNH 3)2 MX 4表示的有机 - 无机层状钙钛矿化合物的不饱和键(式中,R是具有不饱和键的烃基,X是 卤素或其混合物,M为Ⅳa族金属,Eu,Cd,Cu,Fe,Mn或Pd)。 R由CH 3(CH 2)n C = C-C = CCH 2(n = 2-14)表示。 优选M为Pb,X为溴原子。