稀土钇掺杂Eu(TTA)<sub>3</sub>/PMMA温敏漆的制备及性能分析

引用本文: 宋亚娇, 孙晶, 朱鹏, 闫玲玲, 李剑. 稀土钇掺杂Eu(TTA)₃/PMMA温敏漆的制备及性能分析[J]. 无机化学学报, 2013, 29(6): 1171-1175. doi: 10.3969/j.issn.1001-4861.2013.00.148 shu

Citation: SONG Ya-Jiao, SUN Jing, ZHU Peng, YAN Ling-Ling, LI Jian. Preparation and Properties of Rare Earth Yttrium Doped Eu(TTA)₃ /PMMA Temperature Sensitive Paint[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(6): 1171-1175. doi: 10.3969/j.issn.1001-4861.2013.00.148 shu

稀土钇掺杂Eu(TTA)₃/PMMA温敏漆的制备及性能分析

基金项目:
兵器预研基金(No.BQ0302)资助项目。 (No.BQ0302)

摘要: 本文以氯化铕、氯化钇、噻吩甲酰基三氟丙酮(TTA)为原料合成了钇掺杂Eu(TTA)₃探针分子。将探针分子掺杂到聚甲基丙烯酸甲酯(PMMA)基质中,获得稀土钇掺杂Eu(TTA)₃/PMMA温敏漆。采用IR、紫外吸收光谱和激发发射光谱对探针分子结构及温敏漆荧光特性进行了表征。红外光谱表明,稀土Eu(Y)与TTA形成配位键,且钇的掺入未改变Eu(TTA)₃结构。紫外吸收光谱表明,探针分子的最佳吸收波段位于290～376 nm处。激发发射光谱表明,在340 nm激发下,温敏漆在614 nm处有最强发射峰,且钇对Eu(TTA)₃发光具有增益作用,当钇含量为50%时,增益作用最强。不同温度下发射光谱表明,随着温度的升高,温敏漆的荧光发射强度逐渐减弱,说明温敏漆具有良好的温度猝灭特性,且掺入钇后温敏漆的测温灵敏度有所提高。

关键词:

温敏漆;温度猝灭;发光探针分子;稀土

English

Preparation and Properties of Rare Earth Yttrium Doped Eu(TTA)₃ /PMMA Temperature Sensitive Paint

1.
School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
Received Date: 10 September 2012
Fund Project:
兵器预研基金(No.BQ0302)资助项目。

Abstract: In this paper, the yttrium doped Eu(TTA)₃ probe molecule were prepared, which the EuCl₃, YCl₃ and 2-Thenoyltrifluoroacetone(TTA) were used as raw materials, and then the yttrium doped Eu(TTA)₃/Polymethyl-methacrylate(PMMA) temperature-sensitive paint (TSP) was obtained when the yttrium doped Eu(TTA)₃ probe molecule were doped into the PMMA. The structure of the probe molecule and the properties of the TSP were characterized by IR, absorption spectra, excitation and emission spectra. IR analysis indicate that the coordinate bond between Eu(Y) and TTA was formed, and the structure of Eu(TTA)₃ was not destroyed when the yttrium was doped into Eu(TTA)₃. UV absorption spectra show that the absorption band of the probe molecule is 290～376 nm. Excitation and emission spectra illustrate that the strongest emission peak is 614 nm when the TSP was excited by 340 nm, and the emission of Eu(TTA)₃ will be enhanced for the doping of yttrium, and the gain function was the strongest when the ratio between Eu and Y was 0.5:0.5. The emission spectra of the TSP at different temperatures illustrate that the emission strength of the TSP was decreased with the increasing of temperature, it shows that the TSP has good temperature quenching property, Furthermore, the temperature measure sensitivity was also enhanced for the doping of yttrium.

Key words:

temperature sensitive paint;temperature quenching;luminescent probe molecules;rare earth

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沈阳化工大学材料科学与工程学院沈阳 110142

稀土钇掺杂Eu(TTA)₃/PMMA温敏漆的制备及性能分析

English

Preparation and Properties of Rare Earth Yttrium Doped Eu(TTA)₃ /PMMA Temperature Sensitive Paint

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中国化学会秘书处

稀土钇掺杂Eu(TTA)3/PMMA温敏漆的制备及性能分析

English

Preparation and Properties of Rare Earth Yttrium Doped Eu(TTA)3 /PMMA Temperature Sensitive Paint

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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中国化学会秘书处

稀土钇掺杂Eu(TTA)₃/PMMA温敏漆的制备及性能分析

Preparation and Properties of Rare Earth Yttrium Doped Eu(TTA)₃ /PMMA Temperature Sensitive Paint

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs