期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 253, 期 1, 页码 62-69出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/jcis.2002.8534
关键词
red emission phosphor particles; spherical fine particles; emulsion liquid membrane system
Size- (submicrometer-sized) and morphology- (spherical) controlled composite Gd-Eu oxalate particles were prepared in an emulsion liquid membrane (water-in-oil-in-water emulsion) system. The oxalate particles thus prepared were calcined in air to obtain Gd2O3 : Eu3+ phosphor particles and in sulfur atmosphere to obtain Gd2O2S: Eu3+ phosphor particles. These submicrometer-sized spherical phosphor particles showed photoluminescence properties with emission peak at 614 nm for Gd2O3: Eu3+ and 628 nm for Gd2O2S: Eu3+. (C) 2002 Elsevier Science (USA).
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