硅酸盐学报2013，Vol.41Issue(3)：347-352,6.DOI:10.7521/j.issn.0454-5648.2013.03.12
KCaM(PO4)2∶Dy3+(M=La,Y,Lu)荧光粉的制备与发光性质
Preparation and Luminescence Properties of KCaM(PO4)2∶Dy3+ (M =La, Y, Lu) Phosphors
摘要
Abstract
A series of phosphors KCaM(PO4)2:Dy3+ (M = La, Y, Lu) were synthesized by a high temperature solid state reaction method. The result by X-ray diffraction indicated that KCaM(PO4)2:Dy3+ (M = La, Y, Lu) belongs to a hexagonal system (P6222 space group), and the angle of the peaks shift to a small value with the increase of the metal cations (M) radius. The spectral analysis of KCaM(PO4)2:Dy3+ (M = La, Y, Lu) at low temperatures showed that the emission peaks were different under different excitation wavelengths in the same host, which would due to that two crystallographic sites of Dy3+ in KCaM(PO4)2 crystal. In KCaM(PO4)2 phosphors with different metal cations (M), the emission spectra of Dy3+ ions were different, showing that the metal cations (M) changed the crystal field and affected the proportion of the two sites. It was indicated that Dy3+ could be used as a probe to explore the change of host crystal structure.关键词
磷酸盐荧光粉/镝离子/探针/光谱分析Key words
phosphate phosphors/ dysprosium ion/ probe/ spectral analysis分类
数理科学引用本文复制引用
杨艳民,李自强,郭彦明,付喜宏,焦福运,苏献园,张韶阳,李志强..KCaM(PO4)2∶Dy3+(M=La,Y,Lu)荧光粉的制备与发光性质[J].硅酸盐学报,2013,41(3):347-352,6.基金项目
国家自然科学基金(50902042) （50902042）
河北省自然科学基金(E201-0000283) （E201-0000283）
中国博士后科研基金(20100480840)资助项目. （20100480840）
