A novel thermally stable Eu(III) complex-modified acrylate nano-polymer and its luminescence properties

文献类型： 外文期刊

第一作者： Xu, Lin

作者： Xu, Lin;Hu, Jun;Xie, Hongde;Xu, Lei;Tsuboi, Taiju;Huang, Wei

作者机构：

关键词： Eu(III)-complex polymers;Organic-inorganic hybrid nanoparticle;Thermal properties;Luminescence;White LED

期刊名称：JOURNAL OF NANOPARTICLE RESEARCH （ 影响因子：2.253； 五年影响因子：2.359 ）

ISSN： 1388-0764

年卷期： 2013 年 15 卷 8 期

页码：

收录情况： SCI

摘要： A Eu(III) complex-modified acrylate nano-polymer (Eu(III) complex-MA-np) is synthesized by semi-continuous emulsion polymerization. The organic-inorganic hybrid nanoparticles are characterized by transmission electron microscopy, laser particle size analysis, thermogravimetric analysis (TGA), and differential scanning calorimeter. The nanoparticle size is in a range of 70-170 nm. The optical properties of Eu(III) complex-MA-np are investigated by photoluminescence (PL) and PL excitation spectra, PL decay curve, and CIE chromaticity diagram. The Eu(III) complex-MA-np contains 1,3,5-trimethyltris(3,3,3-trifluoropyropyl)cyclotrisiloxane (D3F), where Eu3+ ions were surrounded by Si-O group through polymer complexation. TGA shows that the Eu(III) complex-MA-np was thermally stable up to 450 degrees C due to the high bond energy of CF3 units and Si-O bond. The Eu(III) complex-MA-np gives red emission with high color purity, which is excited at 350-450 nm effectively, indicating that the Eu(III) complex-MA-np is a potential red-emitting candidate for thermally stable white-LED nanodevices.

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