用于间接电催化的可交织金属卟啉基纤维。

IF 16.1 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Xiaoman Yao, Gang Liu, Yingying Huang, Caier Huang, Xuanxu Chen, Zhe Xuan, Mingjin Shi, Yiwen Yang, Xianqiang Huang, Yifa Chen, Ya-Qian Lan
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引用次数: 0

摘要

间接电催化在潜在工业过程中的应用受到电催化剂利用或加工形式的极大限制。电催化剂所面临的其余挑战,如在均相系统中的回收利用或在异相系统中的粉碎,都需要先进的加工形式来满足所需的要求。在此,我们报告了一系列金属卟啉基聚合物纤维(M-PF,M = Ni、Cu 和 Zn),这些纤维采用刚柔相济的聚合策略,以刚性金属卟啉和柔性硫脲单元为基础,可用作间接电催化中的异质氧化还原介质。这些具有高强度和柔韧性的功能性纤维具有可交织和可设计的功能,可加工成不同的纤维形式,如打结纤维、双螺旋纤维、三层纤维、五层纤维甚至交织网络。有趣的是,它们可以很容易地应用于 S-S 键裂解/环化反应或硫醇的扩展氧化自偶联反应,而且效率很高。值得注意的是,它还能在实验室条件下进行放大生产(批量实验中为 1.25 克)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Interweavable Metalloporphyrin-Based Fibers for Indirect Electrocatalysis.

The applications of indirect electrocatalysis toward potential industrial processes are drastically limited by the utilization or processing forms of electrocatalysts. The remaining challenges of electrocatalysts like the recycling in homogeneous systems or pulverization in heterogeneous systems call for advanced processing forms to meet the desired requirements. Here, we report a series of metalloporphyrin-based polymer fibers (M-PF, M=Ni, Cu and Zn) through a rigid-flexible polymerization strategy based on rigid metalloporphyrin and flexible thiourea units that can be applied as heterogeneous redox-mediators in indirect electrocatalysis. These functional fibers with high strength and flexibility exhibit interweavable and designable functions that can be processed into different fiber-forms like knotted, two-spiral, three-ply, five-ply fibers or even interweaved networks. Interestingly, they can be readily applied in S-S bond cleaving/cyclization reaction or extended oxidative self-coupling reaction of thiols with high efficiency. Remarkably, it enables the scale-up production (1.25 g in a batch-experiment) under laboratory conditions.

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来源期刊
CiteScore
26.60
自引率
6.60%
发文量
3549
审稿时长
1.5 months
期刊介绍: Angewandte Chemie, a journal of the German Chemical Society (GDCh), maintains a leading position among scholarly journals in general chemistry with an impressive Impact Factor of 16.6 (2022 Journal Citation Reports, Clarivate, 2023). Published weekly in a reader-friendly format, it features new articles almost every day. Established in 1887, Angewandte Chemie is a prominent chemistry journal, offering a dynamic blend of Review-type articles, Highlights, Communications, and Research Articles on a weekly basis, making it unique in the field.
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