Study on macromolecular metal complexes: Synthesis, characterization, and fluorescence properties of stoichiometric complexes for rare earth coordinated with poly(acrylic acid)

Huang FQ; Zheng Y; Yang Y

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Study on macromolecular metal complexes: Synthesis, characterization, and fluorescence properties of stoichiometric complexes for rare earth coordinated with poly(acrylic acid)

机译：大分子金属配合物的研究：稀土与聚丙烯酸配位的化学计量配合物的合成，表征和荧光性质

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Poly acrylic acid (PAA) and its stoichiometric complexes with trivalent rare earth (RE) have been synthesized and well characterized by means of elemental analysis, IR, TG-DTA, fluorescence spectra, etc. Chemical analysis indicated that the molar ratio of -COO- and RE(3+)in the complex was closely dependent on the pH and the molar ratio of PAA and RE in the feed. The stoichiometric complexes in which the molar ratio of -COO- and RE3+ is 3:1 can be formed under the conditions of pH 6.0 and PAA:RE = 3:1 (molar ratio in the feed). Spectroscopic studies suggested that the carboxylate bonded to the central metal ions was in the form of bidentate and these stoichiometric complexes possessed high-temperature resistance. Due to efficient energy transfer from polymer to central metal ions, the emission intensity of Eu3+ and Tb3+ complexes was stronger than that of simple compounds. Therefore, these complexes can be promising as potential fluorescent probes and photoluminous materials. (C) 2006 Wiley Periodicals, Inc. J Appl Polyrn Sci 103: 351-357, 2007

机译：合成了聚丙烯酸（PAA）及其与三价稀土（RE）的化学计量配合物，并通过元素分析，IR，TG-DTA，荧光光谱等方法对其进行了很好的表征。化学分析表明-COO的摩尔比-和RE（3+）的配合物与pH值以及进料中PAA和RE的摩尔比密切相关。可以在pH 6.0和PAA：RE = 3：1（进料中的摩尔比）的条件下形成-COO-和RE3 +摩尔比为3：1的化学计量配合物。光谱研究表明，键合到中心金属离子上的羧酸盐是二齿形式，这些化学计量的配合物具有耐高温性。由于从聚合物到中心金属离子的有效能量转移，Eu3 +和Tb3 +配合物的发射强度比简单化合物强。因此，这些复合物有望成为潜在的荧光探针和光致发光材料。（C）2006 Wiley Periodicals，Inc. J Appl Polyrn Sci 103：351-357，2007

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《Journal of Applied Polymer Science》 |2007年第1期|共7页
作者
Huang FQ; Zheng Y; Yang Y;
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正文语种 eng
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macromolecular complex; rare earth; poly acrylic acid; synthesis; fluorescence properties; POLYMERS; IONS; HYDROLYSIS; LIGANDS; DESIGN; AGENTS;

机译：大分子配合物;稀土;聚丙烯酸;合成;荧光性质;聚合物;离子;水解;配体;设计;助剂;

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1. Study on macromolecular metal complexes: Synthesis, characterization, and fluorescence properties of stoichiometric complexes for rare earth coordinated with poly(acrylic acid) [J] . Huang FQ, Zheng Y, Yang Y Journal of Applied Polymer Science . 2007,第1期

机译：大分子金属配合物的研究：稀土与聚丙烯酸配位的化学计量配合物的合成，表征和荧光性质
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3. Rare earth complexes using azobenzene-containing poly(aryl ether) s with different absorption wavelengths as macromolecular ligands: synthesis, characterization, fluorescence properties and fabrication of fluorescent holographic micropatterns [J] . Zhang Yuxuan, Chen Shanyong RSC Advances . 2018,第65期

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4. High Fluorescence Emission of Carboxylic Acid Functionalized Polystyrene/BaTiO_3 Nanocomposites and Rare Earth Metal Complexes: Preparation and Characterization [C] . X. T. Cao, A. M. Showkat, Z. Wang, International Congress in Advances in Applied Physics and Materials Science . 2015

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Study on macromolecular metal complexes: Synthesis, characterization, and fluorescence properties of stoichiometric complexes for rare earth coordinated with poly(acrylic acid)

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