金属-有机骨架材料的改性方法及其光催化制氢应用

Modification of Metal Organic Framework Materials and Their Application in Photo-catalytic Hydrogen Evolution

能源问题一直是关乎人类命运的重要问题,光催化制氢被认为是有望解决这一问题的潜在途径之一.金属有机框架(MOFs)由于其多孔、高比表面积、带隙可调等特性,在光催化制氢方面得到了广泛关注.我们综述了近些年来在金属-有机骨架材料光催化制氢领域的各种改性方法,包括修饰有机连接配体、修饰金属中心、金属纳米粒子沉积、染料敏化与其他功能材料结合等.概括了改性后的MOFs光催化制氢性能,指出了MOFs基光催化制氢存在的问题和可能的解决思路,并展望了MOFs基光催化制氢剂的绿色未来.

Energy has always been an important issue concerning the fate of mankind.Photocatalytic hydrogen evolution has been considered as a potential strategy to overcome this problem.Metal organic frameworks(MOFs)attracted great attention in photocatalytic hydrogen evolution due to its porous,high specific surface area and adjustable band gap.This review summarizes the recent progress of various modification methods on designing highperformance MOFs-based photocatalysts for hydrogen evolution,including modification of organic ligand or metal centers,metal nanoparticles loading,dye sensitization and combination with other functional materials.The hydrogen evolution performance of modified MOFs by the above methods is summarized.The existing issues and potential solutions of MOFs-based photocatalysts for hydrogen evolution are proposed,whilst highlights a green future for MOFs-based photocatalysts for hydrogen evolution.