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    • 1. 发明授权
    • Chromium-doped zinc-nitro-antimony-gallium-tellurium infrared phosphors
    • 铬掺杂的锌 - 硝基锑镓碲红外荧光粉
    • US07976727B1
    • 2011-07-12
    • US12862869
    • 2010-08-25
    • Rajesh R. NaikLawrence L. BrottGeorge D. Jia
    • Rajesh R. NaikLawrence L. BrottGeorge D. Jia
    • C09K11/70C09K11/77
    • C09K11/883C09K11/623C09K11/7756
    • This patent covers infrared phosphorescent materials which exhibit extended persistence lifetimes and are composed of mixtures of the elements zinc, antimony, gallium, tellurium, oxygen and nitrogen, and are doped with varying amounts of chromium, neodymium, dysprosium, yttrium or thulium. A typical formula is given by Zn(1-n %-m %-l %)SbxGa2-xTezO4+2z-yNy: n % Cr3+, m % P, l % Q, where Zn is zinc, Sb is antimony, Ga is gallium, Te is tellurium, O is oxygen, N is nitrogen. Additionally, x (0 to 2) y (0 to 0.5) and z (0 to 1) are the molar concentration in the composition. Cr3+ is the doped chromium ion, P is a codopant and Q is a second codopant and n, m, l are the concentration respectively (m,m,l are from 0.1 to 10). An example is the material ZnSbGaTeO5.95N0.05:3% Cr3+, 1% Nd3+, which has an emission peak at 760 nm and a persistent time of over 20 hours (measured with Fluorolog-3 spectrometer with a PMT detector).
    • 该专利涉及具有延长的持续寿命并且由元素锌,锑,镓,碲,氧和氮的混合物组成的红外磷光材料,并且掺杂有不同量的铬,钕,镝,钇或。。 典型的配方由Zn(1-n%-m%-1%)SbxGa2-xTezO4 + 2z-yNy:n%Cr3 +,m%P,1%Q给出,其中Zn是锌,Sb是锑,Ga是 镓,Te是碲,O是氧,N是氮。 另外,x(0至2)y(0至0.5)和z(0至1)是组合物中的摩尔浓度。 Cr3 +是掺杂的铬离子,P是共掺杂物,Q是第二共轭体,n,m,l分别是浓度(m,m,l是从0.1到10)。 一个例子是材料ZnSbGaTeO5.95N0.05:3%Cr3 +,1%Nd3 +,其在760nm处具有发射峰,并且持续时间超过20小时(用具有PMT检测器的Fluorolog-3光谱仪测量)。