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Hongsheng Wang, Xiaoqing Zhao, Mingli Liu, Wei Shi and Peng Cheng Mixed Rare-Earth Complexes of Eu(III) and Y(III) with Pyridine-2,4,6-tricarboxylic Acid and Their Photoluminescent Properties Chinese Journal of Chemistry 30

Version of Record online: 25 SEP 2012 | DOI: 10.1002/cjoc.201200635

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A series of rare-earth luminescent complexes {[Eu(pta)(H2O)3]·H2O}n (1, H3pta=pyridine-2,4,6-tricarboxylic acid) and {[EuxY(1−x)(pta)(H2O)3]·H2O}n (210) have been synthesized, and the luminescent properties of complexes 110 were investigated. The results show that these complexes 210 can also display intense characteristic luminescence when part of Eu(III) ions in complex 1 are replaced by Y(III) ions, and the emission intensities of mixed rare-earth complexes 210 are the same or even higher than that of homometallic complex 1 with the deceasing Eu(III) ions.

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