基于β-酮烯胺的共价有机骨架光催化析氢的回顾与展望,Energy & Fuels

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基于β-酮烯胺的共价有机骨架光催化析氢的回顾与展望
Energy & Fuels ( IF 5.2 ) Pub Date : 2023-04-05 , DOI: 10.1021/acs.energyfuels.3c00162
Li-Jia Wang ₁ , Peng-Yu Dong ₂ , GuiLing Zhang ₃ , Feng-Ming Zhang ₃

Affiliation

近年来，共价有机骨架（COFs）由于其结构多样性、带隙可调性和结构的高孔隙率而成为一类新型光催化剂。其中，β-酮基-烯胺COFs是一种重要的类型，具有结构稳定性高、合成成本低且方便、固有的电荷分离能力和优异的可见光吸收能力等优点。基于 1,3,5-三甲酰基间苯三酚 (Tp) 的 COF 是组装 β-酮-烯胺 COF（也称为 Tp-COF）的最主要连接。Tp-COFs 是一种高度稳定的 COFs，较早被研究人员所知，被认为是 COF 材料发展的里程碑。Tp-COFs的结构特征为其光催化活性的广泛研究提供了理想的平台。到目前为止，COF材料光催化氢活性最高的是Tp-COFs，在各种COF基复合光催化剂中，Tp-COF基杂化光催化剂的报道数量最多。因此，有必要及时总结Tp-COF光催化剂在析氢方面的进展。与以往综述广泛介绍所有类型的 COF 基光催化剂不同，本综述专门介绍了 Tp-COF 在光催化析氢方面的进展。首先讨论 Tp-COF 作为可见光驱动光催化剂的优势；之后，简要介绍了 Tp-COF 光催化剂的发展历程和典型实例，以展示该领域取得的巨大成就。最后，

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Review and Perspectives of β-Keto-enamine-Based Covalent Organic Framework for Photocatalytic Hydrogen Evolution

In recent years, covalent organic framework (COFs) have emerged as a new class of photocatalysts due to their structural diversity, band gaps tunability, and high porosity of their structures. Among these, β-keto-enamine COFs are an important type that benefited from their high structural stability, low-cost and convenient synthesis, intrinsic charge-separation ability, and excellent visible-light-absorption ability. The 1,3,5-triformylphloroglucinol (Tp)-based COFs are the most primary linkage in assembling β-keto-enamine COFs, also named Tp-COFs. Tp-COFs are a type of highly stable COFs, known earlier by researchers, that were considered as a milestone in the development of COF materials. The structural features of Tp-COFs provide an ideal platform for the extensive research on their photocatalytic activity. Until now, the highest photocatalytic hydrogen activity of COF materials is from Tp-COFs, and the number of reported Tp-COF-based hybrid photocatalysts is the largest in various COF-based composite photocatalysts. Thus, it is necessary to timely summarize the advances of Tp-COF photocatalysts in hydrogen evolution. Different from previous reviews summarizing a broad introduction of all types of COF-based photocatalysts, this review specializes in the advances of Tp-COFs for photocatalytic hydrogen evolution. The advantages of Tp-COFs as visible-light-driven photocatalysts are discussed here first; afterward, a brief timeline of the developments and typical examples of Tp-COF photocatalysts are provided with the aim of presenting the great achievements in this field. Finally, the challenges remaining and personal perspectives on further development of this type of material for photocatalysis are presented.

更新日期：2023-04-05

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