摘要
以含RE2O3（RE=Eu，Yb）为起始物，在空气中成功地合成了MBPO5：RE(2+)（M=Ca，Sr，Ba；RE(2+)=Eu(2+)，Yb(2+)）荧光体，测定了它们的激发和发射光谱峰位以及发射半高宽．
MBPO5: RE2+ (M = Ca, Sr, Ba; RE= Eu, Yb ) were synthesized with RE2O3,H3BO3, (NH4)2HPO4 and MCO3 as the starting materials in air, instead of preparing them inH2/N2 atmosphere. The peaks in their excitation and emission fluorescence spectra as well ashalf-widths of emission were measured. The results show that it is possible to preparedivalent Eu and Yb ions activated phosphors in air, if the crystal structure of the matrix enablesthese divalent ions to be stable in the light of its geometric factors and if the matrix itselfenables reducing trivalent Eu and Yb to be divalent.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
1997年第9期1425-1428,共4页
Chemical Journal of Chinese Universities
关键词
碱土硼磷酸盐
铕
镱
荧光
荧光体
稀土
Alkaline-earth borophosphate
Europium
Ytterbium
Phosphor
Fluorescence
