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Citation: Li Yuanying, Wang Ming, Cai Shaohua. Synthesis of Cerium-and Terbium-Activated Lanthanum Phosphate by Means of Microwave Heating and Its Luminescence Properties[J]. Chinese Journal of Applied Chemistry, ;1996, 13(3): 72-74. shu

Synthesis of Cerium-and Terbium-Activated Lanthanum Phosphate by Means of Microwave Heating and Its Luminescence Properties

1.
Department of Chemistry, Zhongshan University, Guangzhou 510275

Received Date: 21 August 1995
Available Online: 15 February 1996
Fund Project:

The synthesis of(La,Ce,Tb)PO₄ by means of microwave heating is reported. The analysis of X-ray powder diffraction data shows that the phosphor belongs to the monoclinic system with the structure of monazite.The phosphor has the maximum excitation peak at λ_ex=273.5 nm and maximum emission peak at λ_em=543 nm,the latter being the characteristic emission of Tb³⁺ ion.The effects of different flux and(NH₄)₂HPO₄ dosage on the luminescence intensity are examined and the chromatic coordinates and related chromatic temperature are measured.
- microwave heating effect,
- synthesis,
- phosphor,
- cerium and terbium activated lan thanum phosphate,
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