Preparation and Luminescence Properties of Terbium-Sal Complex In-situ Synthesized in Silica Matrix by a Two-Step Sol-Gel Process

J Mater Sci Technol ›› 1999, Vol. 15 ›› Issue (02): 187-189.

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Preparation and Luminescence Properties of Terbium-Sal Complex In-situ Synthesized in Silica Matrix by a Two-Step Sol-Gel Process

Lianshe FU, Hongjie ZHANG, Shubin WANG, Qingguo MENG, Hua SHAO, Jiazuan NI

Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Received:1998-04-22 Revised:1998-07-01 Online:1999-03-28 Published:2009-10-10
Contact: Hongjie ZHANG

Abstract

Abstract: In-situ synthesis of terbium complex with salicylic acid (Sal) in silica matrix was made by a two-step sol-gel process. The terbium complex with salicylic acid was formed in sol-gel derived silica gel, and confirmed by the luminescence excitation spectra and infrared (IR) spectra. As compared to the pure terbium complex powder, the silica gel containing terbium complex exhibits its characteristic emission and presents a longer fluorescence lifetime than that for the pure complex. The luminescence properties of the complex containing silica gel were investigated and compared with that of both terbium doped the silica gel and the pure complex powder. The reasons leading to the above results were also discussed.

Key words:

Lianshe FU, Hongjie ZHANG, Shubin WANG, Qingguo MENG, Hua SHAO, Jiazuan NI. Preparation and Luminescence Properties of Terbium-Sal Complex In-situ Synthesized in Silica Matrix by a Two-Step Sol-Gel Process[J]. J Mater Sci Technol, 1999, 15(02): 187-189.

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Preparation and Luminescence Properties of Terbium-Sal Complex In-situ Synthesized in Silica Matrix by a Two-Step Sol-Gel Process

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