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    • 5. 发明授权
    • Luminescent material and method of making the same
    • 发光材料及制作方法
    • US4252669A
    • 1981-02-24
    • US76856
    • 1979-09-19
    • Hiroji KawaiTomohiko AbeShigeru YokonoTeruhiko Hoshina
    • Hiroji KawaiTomohiko AbeShigeru YokonoTeruhiko Hoshina
    • C09K11/77C09K11/46
    • C09K11/7717
    • A luminescent material is disclosed which has the general formula:Zn.sub.1-x Cd.sub.x S:Ce.sub.y, M.sub.zwherein M is at least one alkali metal selected from Li, Na, K, Rb, and Cs, x is from about 0 to about 0.3, y and z are densities (g-atom/mol Zn.sub.1-x Cd.sub.x S) of Ce and M relative to Zn.sub.1-x Cd.sub.x S, y is from about 7.times.10.sup.-6 to about 1.5.times.10.sup.-2, and z is from about 7.times.10.sup.-6 to about 1.5.times.10.sup.-2.A method for making a luminescent material having the general formula:(ZnCd)S:Ce,Mwherein M is at least one alkali metal selected from Li, Na, K, Rb and Cs is disclosed which comprises the steps of preparing a mixture of (ZnCD)S:Ce compound, and alkali metal compound, heating the mixture under non-oxidizing atmosphere at a temperature between about 900.degree. C. and about 1170.degree. C., and quenching said mixture from said temperature.
    • 公开了具有以下通式的发光材料:Zn1-xCdxS:Cey,Mz其中M是选自Li,Na,K,Rb和Cs中的至少一种碱金属,x为约0至约0.3,y和 z是Ce和M相对于Zn1-xCdxS的密度(g-原子/摩尔Zn1-xCdxS),y为约7×10 -6至约1.5×10 -2,z为约7×10 -6至约1.5×10 -1。 2。 公开了一种制备具有以下通式的发光材料的方法:(ZnCd)S:Ce,M其中M是选自Li,Na,K,Rb和Cs中的至少一种碱金属,其包括以下步骤: (ZnCD)S:Ce化合物和碱金属化合物,在非氧化性气氛下在约900℃至约1170℃的温度下加热混合物,并从所述温度淬灭所述混合物。