Han Chao-Qin, Liu Xiao-Yuan
Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, 7098 Liuxian Blvd, Nanshan District, Shenzhen, 518055, P. R. China.
Angew Chem Int Ed Engl. 2025 Jan 10;64(2):e202416286. doi: 10.1002/anie.202416286. Epub 2024 Oct 31.
Organic linker-based luminescent metal-organic frameworks (LMOFs) have received extensive attention due to their promising applications in chemical sensing, energy transfer, solid-state-lighting and heterogeneous catalysis. Benefiting from the virtually unlimited emissive organic linkers and the intrinsic advantages of MOFs, significant progress has been made in constructing LMOFs with specific emission behaviors and outstanding performances. Among these reported organic linkers, 2,1,3-benzothiadiazole and its derivatives, as unique building units with tunable electron-withdrawing abilities, can be used to synthesize numerous emissive linkers with a donor-bridge-acceptor-bridge-donor type structure. These linkers were utilized to coordinate with different metal nodes, forming LMOFs with diverse underlying nets and optical properties. In this Minireview, 2,1,3-benzothiadiazole and its derivative-based organic linkers and their corresponding LMOFs are summarized with which an emission library is built between the linker structures and the emission behaviors of constructed LMOFs. In particular, the preparation of LMOFs with customized emission properties ranging from deep-blue to near-infrared and sizes from dozens to hundreds of nanometers is discussed in detail. The applications of these LMOFs, including chemical sensing, energy harvesting and transfer, and catalysis, are then highlighted. Key perspectives and challenges for the future development of LMOFs are also addressed.
基于有机连接体的发光金属有机框架材料（LMOFs）因其在化学传感、能量转移、固态照明和多相催化等领域的应用前景而受到广泛关注。受益于几乎无限的发光有机连接体以及金属有机框架材料的固有优势，在构建具有特定发射行为和优异性能的LMOFs方面取得了显著进展。在这些已报道的有机连接体中，2,1,3-苯并噻二唑及其衍生物作为具有可调吸电子能力的独特构建单元，可用于合成众多具有供体-桥-受体-桥-供体型结构的发光连接体。这些连接体被用于与不同的金属节点配位，形成具有不同基础网络和光学性质的LMOFs。在这篇综述中，总结了基于2,1,3-苯并噻二唑及其衍生物的有机连接体及其相应的LMOFs，并在连接体结构与所构建LMOFs的发射行为之间建立了发射库。特别详细讨论了具有从深蓝色到近红外定制发射特性以及从几十到几百纳米尺寸的LMOFs的制备。然后重点介绍了这些LMOFs的应用，包括化学传感、能量收集和转移以及催化。还阐述了LMOFs未来发展的关键观点和挑战。
