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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