Metal–organic frameworks (MOFs) are hybrid materials based on crystalline coordination polymers that consist of metal ions connected by organic ligands. In addition to the traditional applications in gas storage and separation or catalysis, the long-range crystalline order in MOFs, as well as the tunable coupling between the organic and inorganic constituents, has led to the recent development of electrically conductive MOFs as a new generation of electronic materials. However, to date, the nature of charge transport in the MOFs has remained elusive. Here we demonstrate, using high-frequency terahertz photoconductivity and Hall effect measurements, Drude-type band-like transport in a semiconducting, π–d conjugated porous Fe₃(THT)₂(NH₄)₃ (THT, 2,3,6,7,10,11-triphenylenehexathiol) two-dimensional MOF, with a room-temperature mobility up to ~ 220 cm² V^–1 s^–1. The temperature-dependent conductivity reveals that this mobility represents a lower limit for the material, as mobility is limited by impurity scattering. These results illustrate the potential for high-mobility semiconducting MOFs as active materials in thin-film optoelectronic devices.

金属有机骨架（MOF）是基于晶体配位聚合物的杂化材料，该聚合物由通过有机配体连接的金属离子组成。除了在气体存储，分离或催化中的传统应用之外，MOF中的长程晶体顺序以及有机和无机成分之间的可调节耦合也导致了新一代导电MOF的发展。电子材料。但是，迄今为止，财政部中电荷转移的性质仍然难以捉摸。在这里，我们证明了使用高频太赫兹光电导率和霍尔效应测量，在半导电的π-d共轭多孔Fe ₃（THT）₂（NH ₄）_3中的Drude型带状传输。（THT，2,3,6,7,10,11-三亚苯基六硫醇）二维MOF，其室温迁移率高达〜220 cm ²  V ^–1 s ^–1。与温度相关的电导率表明该迁移率代表了材料的下限，因为迁移率受到杂质散射的限制。这些结果说明了高迁移率半导体MOF作为薄膜光电器件中的活性材料的潜力。