基于掺杂了 Smectite 的铕(III)-β-二酮配合物的发光混合材料

IF 2.5 4区 化学 Q3 POLYMER SCIENCE
Rong Cao, Ryota Nishiyama, Kazuki Nakamura, Norihisa Kobayashi
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引用次数: 0

摘要

含镧系元素的有机-无机杂化材料在光学设备中的应用潜力巨大。本研究采用简单的掺杂方法,将 Eu(tta)3phen 复合物(ta = 2-噻酰基三氟丙酮,phen = 1,10-菲罗啉)与合成的蛭石粘土化合物(smectite)混合,制备了高效的发光杂化材料。通过紫外-可见吸收光谱、发光光谱、发光寿命和 Judd-Ofelt 分析,系统地研究了含有 Eu(tta)3phen/smectite 混合材料的分散溶液的综合光物理特性。Eu(ta)3phen的发射特性因其与闪长岩的相互作用而增强。此外,相互作用抑制了 Eu(tta)3phen 的分子振动,从而提高了发光强度和量子效率。此外,通过在聚合物(聚甲基丙烯酸甲酯)基体中加入 Eu(ta)3phen/smectite 混合材料,制备出了一种高发光和透明的聚合物薄膜。添加了smectite化合物后,聚合物薄膜的透明度和表面光滑度都得到了改善。与溶液状态一致的是,在薄膜状态下,埃辉石增强了 Eu(tta)3phen 的发光强度。这一策略为高发光成像设备提供了新的机遇。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Luminescent Hybrid Material Based on the Europium(III)–β‐Diketone Complex Doped with Smectite
Lanthanide‐containing organic–inorganic hybrid materials exhibit considerable potential for applications in optical devices. In this study, efficient luminescent hybrid materials are prepared by employing a straightforward doping method to mix the Eu(tta)3phen complex (tta = 2‐thenoyltrifluoroacetone, phen = 1,10‐phenanthroline) with a synthetic clay compound of hectorite (smectite). The comprehensive photophysical properties of dispersion solution containing the Eu(tta)3phen/smectite hybrid material are systematically investigated via ultraviolet‐visible absorption spectroscopy, luminescence spectra, luminescence lifetimes, and Judd–Ofelt analysis. The emission properties of the Eu(tta)3phen are enhanced by its interaction with smectite. Furthermore, the interaction suppressed the molecular vibration of Eu(tta)3phen, resulting in elevated luminescence intensity and quantum efficiency. Moreover, a highly luminescent and transparent polymeric film is prepared by incorporating Eu(tta)3phen/smectite hybrid material into a polymer (PMMA) matrix. With the addition of the smectite compound, the transparency and surface smoothness of the polymeric film are improved. Consistent with the solution state, smectite enhanced the luminescence intensity of Eu(tta)3phen in the film state. This strategy presents a novel opportunity for high‐luminescence imaging devices.
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来源期刊
Macromolecular Chemistry and Physics
Macromolecular Chemistry and Physics 化学-高分子科学
CiteScore
4.30
自引率
4.00%
发文量
278
审稿时长
1.4 months
期刊介绍: Macromolecular Chemistry and Physics publishes in all areas of polymer science - from chemistry, physical chemistry, and physics of polymers to polymers in materials science. Beside an attractive mixture of high-quality Full Papers, Trends, and Highlights, the journal offers a unique article type dedicated to young scientists – Talent.
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