Panchromatic fluorescent tunable waterborne polyurethanes based on Eu(III), Tb(III) and Zn(II) complexes

IF 4.1 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2025-05-30 DOI:10.1016/j.dyepig.2025.112925

Yuqing Yang , Shicong Pei , Mingdi Yang , Kehua Zhang , Jie Jin , Yunsheng Ding , Xianhai Hu

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引用次数: 0

Abstract

Full-color fluorescent tunable materials have attracted much attention due to their broad application prospects in fields such as lighting, display devices, and biological imaging. However, it remains challenging to prepare environmentally friendly full-color fluorescent tunable materials through simple and efficient methods. Herein, a series of amino-functionalized complexes were synthesized, and, via covalent bonding, a color-tunable waterborne polyurethane system (WPU-Eu_1-x-yTb_xZn_y) was developed, exhibiting both full-color and white fluorescence. In addition, due to the inherent differences in the ultraviolet absorption properties of each complex, the emission color can be further adjusted by changing the excitation wavelength. This dual mechanism enables both preset and dynamic color adjustments, providing various possibilities for applications such as anti-counterfeiting and display technologies. More importantly, WPU-Eu_1-x-yTb_xZn_y uses water as a dispersant, has a low VOC content, and is particularly safe and environmentally friendly.

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基于Eu(III), Tb（III）和Zn（II）配合物的全色荧光可调水性聚氨酯

全彩荧光可调材料因其在照明、显示器件、生物成像等领域具有广阔的应用前景而备受关注。然而，通过简单有效的方法制备环保的全彩荧光可调材料仍然是一个挑战。本文合成了一系列氨基功能化配合物，并通过共价键合成了一种具有全彩和白色荧光的水性聚氨酯体系（WPU-Eu1-x-yTbxZny）。此外，由于每种配合物的紫外吸收特性存在固有差异，因此可以通过改变激发波长来进一步调整发射颜色。这种双重机制可以实现预设和动态色彩调整，为防伪和显示技术等应用提供了各种可能性。更重要的是，WPU-Eu1-x-yTbxZny以水为分散剂，VOC含量低，特别安全环保。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.