Phenothiazine-Based 2D Covalent Organic Framework for Efficient Visible-Light-Induced Free Radical Polymerization,ACS Applied Polymer Materials

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Phenothiazine-Based 2D Covalent Organic Framework for Efficient Visible-Light-Induced Free Radical Polymerization
ACS Applied Polymer Materials ( IF 4.4 ) Pub Date : 2023-02-01 , DOI: 10.1021/acsapm.2c02051
Ziqiang Zhao ₁ , Junyu Ren ₁ , Yuan Yuan ₁ , Zeying Sun ₁ , Weiben Chen ₁ , Xi Su ₁ , Guang Zhang ₁ , Long Chen _{1,

2}

Affiliation

Phenothiazine derivatives have attracted tremendous research attention due to their rich redox-active properties. In this work, a phenothiazine-based, highly crystalline, and two-dimensional covalent organic framework (PTz-An-COF) was developed. PTz-An-COF exhibited a low bandgap of 1.92 eV with a broad visible-light absorption. Interestingly, PTz-An-COF can serve as an efficient photoinitiator for visible-light-induced radical polymerization of methyl acrylate. Remarkably, PTz-An-COF as a photoinitiator can be easily recycled and maintains the same catalytic activity as that of pristine PTz-An-COF. This work provides new insights into the development of high-performance heterogeneous photocatalysts for radical polymerization.

中文翻译：

基于吩噻嗪的二维共价有机骨架用于高效可见光诱导的自由基聚合

吩噻嗪衍生物因其丰富的氧化还原活性而引起了广泛的研究关注。在这项工作中，开发了一种基于吩噻嗪的、高度结晶的二维共价有机骨架 (PTz-An-COF)。PTz-An-COF 具有 1.92 eV 的低带隙和广泛的可见光吸收。有趣的是，PTz-An-COF 可以作为一种有效的光引发剂，用于可见光诱导的丙烯酸甲酯自由基聚合。值得注意的是，PTz-An-COF 作为光引发剂可以很容易地回收并保持与原始 PTz-An-COF 相同的催化活性。这项工作为开发用于自由基聚合的高性能多相光催化剂提供了新的见解。

更新日期：2023-02-01

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