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与铕（III）配合物键合的聚（聚氨酯-丙烯酸酯）纳米线的合成、形态及发光性能

Synthesis, Morphology, and Luminescence Properties of Poly(urethane-acrylate) Nanowires Bonding with the Eu(III) Complex.

作者信息

Gao Lijun, Li Liuyang, Li Yunqiu, Li Min, Li Cong, Cui Jing, Yang Haoran, Zhou Liming, Fang Shaoming

机构信息

Henan Provincial Key Laboratory of Surface & Interface Science, School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China.

出版信息

ACS Omega. 2020 Sep 15;5(38):24222-24229. doi: 10.1021/acsomega.0c01896. eCollection 2020 Sep 29.

DOI:10.1021/acsomega.0c01896
PMID:33015438
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7528176/
Abstract

Photoluminescent poly(urethane-acrylate) (PUA) nanowires are designed and synthesized through copolymerization of a presynthesized-europium (Eu) complex with active vinyl groups and a vinyl functionalized PUA macromonomer matrix, initiated by azobisisobutyronitrile. This procedure provides a method to prepare PUA-Eu nanowires through in situ polymerization. Based on this, a series of PUA-Eu nanowires with diameters of 80-300 nm are successfully obtained in templates of anodized aluminum oxide by in situ polymerization. The obtained PUA-Eu nanowires display different morphologies such as sharp, round, and flat head by controlling the casting conditions. Furthermore, the PUA-Eu nanowires exhibit unique luminescence properties provided through Eu(III) elements, and the luminescence intensity significantly enhances with the increase in Eu complex concentration. PUA-Eu nanowires have longer fluorescence lifetimes than that of Eu complexes and PUA-Eu plates.

摘要

通过偶氮二异丁腈引发，将预合成的含活性乙烯基的铕（Eu）配合物与乙烯基官能化的聚氨酯丙烯酸酯（PUA）大分子单体基质进行共聚，设计并合成了光致发光聚（聚氨酯 - 丙烯酸酯）（PUA）纳米线。该方法提供了一种通过原位聚合制备PUA-Eu纳米线的方法。基于此，通过原位聚合在阳极氧化铝模板中成功获得了一系列直径为80 - 300 nm的PUA-Eu纳米线。通过控制浇铸条件，所获得的PUA-Eu纳米线呈现出不同的形态，如尖头、圆头和平头。此外，PUA-Eu纳米线表现出由Eu(III)元素提供的独特发光特性，并且发光强度随着Eu配合物浓度的增加而显著增强。PUA-Eu纳米线的荧光寿命比Eu配合物和PUA-Eu平板的荧光寿命更长。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/5636aa905069/ao0c01896_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/1f689cfe3258/ao0c01896_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/c6f565da2342/ao0c01896_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/6cdd87eb5d20/ao0c01896_0004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/abcafc99b542/ao0c01896_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/ff56b4456d83/ao0c01896_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/317b5403a22c/ao0c01896_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/ae42cac4978c/ao0c01896_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/e149ef1b921b/ao0c01896_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/5636aa905069/ao0c01896_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/1f689cfe3258/ao0c01896_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/c6f565da2342/ao0c01896_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/6cdd87eb5d20/ao0c01896_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/afd70da3f005/ao0c01896_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/abcafc99b542/ao0c01896_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/ff56b4456d83/ao0c01896_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/317b5403a22c/ao0c01896_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/ae42cac4978c/ao0c01896_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/e149ef1b921b/ao0c01896_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/41d7/7528176/5636aa905069/ao0c01896_0011.jpg

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本文引用的文献

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"Rigid" Luminescent Soft Materials: Europium-Containing Lyotropic Liquid Crystals Based on Polyoxyethylene Phytosterols and Ionic Liquids.“刚性”发光软材料：基于聚氧乙烯植物甾醇和离子液体的含铕溶致液晶
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