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Citation: Gao Xin, Hong Guangyan, Liu Shuzhen, Li Youmo. PREPARATION AND SPECTROSCOPIC PROPERTIES OF LaP₃O₉: Ce,Tb PHOSPHORS[J]. Chinese Journal of Applied Chemistry, ;1993, 10(2): 70-72. shu

PREPARATION AND SPECTROSCOPIC PROPERTIES OF LaP₃O₉: Ce,Tb PHOSPHORS

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun

Received Date: 20 March 1992
Available Online: 10 November 1992
Fund Project:

Pure phase LaP₃O₉:Ce, Tb phosphors have been prepared by precipitation from solution followed by subsequent igniting. They are of cyclic structure and belong to the orthorhombic crystal system with space group C_222₁. The spectra of LaP₃O₉:Ce, LaP₃O₉:Tb and LaP₃O₉:Ce,Tb have been measured. It was observed that Ce³⁺ can effectively transfer its energy to Tb³⁺, greatly enhancing the emission of Tb³⁺. From the results obtained it can be argued that LaP₃O₉:Ce,Tb might be a new green-emitting phosphor of high efficientcy.
- lanthanum phosphate,
- cerium ion,
- terbium ion,
- energy transfer,
- phosphor,
- preparation
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PREPARATION AND SPECTROSCOPIC PROPERTIES OF LaP₃O₉: Ce,Tb PHOSPHORS