稀土钇对Eu(TTA)<sub>3</sub>phen/PMMA温敏特性的影响

doi:10.11896/cldb.22040012

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Abstract The temperature sensitive paint (TSP) technology is widely used in the temperature distribution measurement of large area solid field, especially for the in-depth research in the mechanical behavior of complex flow gas around the aircraft, because of its advantages of non-contact, omni-directional measurement, easy manufacture and use. In this work, we synthesized the rare earth iron (Y³⁺) doped Eu(TTA)₃ phen/PMMA temperature sensitive paint successfully based on the probe molecules of Y³⁺doped Eu(TTA)₃phen and polymethyl methacrylate(PMMA). The structure of probe molecules and the fluorescence properties of TSP were also characterized. The result show that the optimal ratio of rare earth ions is 0.5∶0.5, both of rare earth irons are coordinated with ligands and the doping of Y³⁺ do not affect the structure of Eu(TTA)₃ phen. Y³⁺ has a gain effect on the fluorescent emission of Eu(TTA)₃ phen/PMMA and the intensity of the strongest fluorescence emission peak (616 nm) is decreased with the increasing of temperature, which indicate that the Y³⁺ doped Eu (TTA)₃phen/PMMA have temperature quenching properties in the temperature range of 40—80 ℃. What’s more, the doping of Y³⁺ can improve the change rate of the fluorescent intensity and the temperature measurement sensitivity. Hence, as a new thermal sensitive material, the Y³⁺ doped Eu(TTA)₃phen/PMMA temperature sensitive paint has potential applications in photoelectric devices and other aspects.

Key words： temperature sensitive paint rare earth ion probe molecules

Published: 25 October 2023 Online: 2023-10-19

CLC number:

O614.33

Fund:Natural Science Foundation of Inner Mongolia (2023LHMS02005, 2019BS02009) and the Doctoral Scientific Research Foundation of Inner Mongolia Minzu University (BS397,BS425).

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	Articles by authors
	SONG Yajiao
	YU Jia
	WU Weibin
	YU Hongcui
	LIU Jinglin

Cite this article:

SONG Yajiao,YU Jia,WU Weibin, et al. Effect of Rare Earth Yttrium on Temperature-sensitive Property of Eu(TTA)₃ phen/PMMA[J]. Materials Reports, 2023, 37(20): 22040012-5.

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http://www.mater-rep.com/EN/10.11896/cldb.22040012 OR http://www.mater-rep.com/EN/Y2023/V37/I20/22040012

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