强激光与粒子束, 2014, 26 (3): 032005, 网络出版: 2014-03-31  

羧酸类钕(Ⅲ) 配合物的合成、热稳定性和荧光性能研究

Synthesis, thermostability, and photophysical properties of Nd(Ⅲ) complexes with carboxylic acids
作者单位
1 西南科技大学 材料科学与工程学院, 四川 绵阳 621010
2 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900
摘要
为了开发稀土有机配合物作为激光工作物质,分别以均苯三甲酸(H3BTC)、苯六甲酸(H6MTA)和1,2,3,4,5,6-环己六甲酸(H6CCA)为配体合成了三种Nd(Ⅲ)的二元发光配合物。通过元素分析、等离子体原子发射光谱和红外光谱对其化学组成进行了结构表征,确定其化学结构依次为Nd(BTC)·4H2O,Nd2(MTA)·6H2O和Nd2(CCA)·4H2O,并对其热稳定性和荧光性能进行了分析测试。三种配合物的发射谱均有三个带状谱带,位于近红外区,其对应于Nd(Ⅲ)离子的特征跃迁4F3/2→4I9/2,4F3/2→4I11/2和4F3/2→4I13/2。结果表明,羧酸类钕(Ⅲ)配合物在近红外区具有明显的特征发射,具有良好的热稳定性和较好的发光性能,可以作为潜在的激光介质。
Abstract
In order to observe the amplified emission of rare earth complexes, three Nd(Ⅲ) complexes were successfully synthesized using three carboxylic acids (H3BTC, H6MTA and H6CCA) as ligands and characterized by elemental analysis, ICP and FTIR. Thermostability was studied by TGA spectra. Fluorescence properties were investigated by fluorescence spectra. The fluorescence spectra of the three complexes were composed of typical Nd(Ⅲ) ions in near infrared emissions, assigned to transitions of 4F3/2→4I9/2, 4F3/2→4I11/2 and 4F3/2→4I13/2. The results indicated that prepared Nd(Ⅲ) complexes showed considerable thermostability and well fluorescence properties, which would make them promising materials for laser active medium.
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胡丽, 尹强, 张尽力, 杜凯. 羧酸类钕(Ⅲ) 配合物的合成、热稳定性和荧光性能研究[J]. 强激光与粒子束, 2014, 26(3): 032005. Hu Li, Yin Qiang, Zhang Jinli, Du Kai. Synthesis, thermostability, and photophysical properties of Nd(Ⅲ) complexes with carboxylic acids[J]. High Power Laser and Particle Beams, 2014, 26(3): 032005.

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