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单分散Gd_2O_3∶Eu~(3+)@SiO_2的合成及性能

Release time:2021-03-15 Hits:

Key Words:单分散;;核壳结构;;包覆;;光学性能
 Abstract:采用溶胶-凝胶法合成SiO2包覆Gd2O3∶Eu3+球型核壳粒子,并对所得产物进行XRD,FT-IR,SEM,TEM,XDS,PL等测试。XRD结果显示:壳层Gd2O3∶Eu3+在600℃开始结晶,随着煅烧温度的升高结晶性提高。SEM,TEM测试结果显示所得核壳粒子具有高分散、均匀球型形貌、粒径大小300nm左右。在255nm的紫外光激发下,合成的荧光粉具有很强的610nm的特征红光。
 Volume:v.36;No.150
 Issue:04
 Translation or Not:no

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