Three-dimensional (3D) covalent organic frameworks (COFs) exemplify a new generation of crystalline extended solids with intriguing structures and unprecedented porosity. Notwithstanding substantial scope, the reticular synthesis of 3D COFs from pre-designed building units leading to new network topologies yet remains a demanding task owing to the shortage of 3D building units and inadequate reversibility of the linkages between the building units. In this work, by linking a tetragonal prism (8-connected) node with a square planar (4-connected) node, we report the first 3D COF with scu-c topology. The new COF, namely, TUS-84, features a two-fold interpenetrated structure with well-defined porosity and a Brunauer-Emmett-Teller surface area of 679 m2g-1. In drug delivery applications, TUS-84 shows efficient drug loading and sustained release profile.
CITATION STYLE
Das, S., Sekine, T., Mabuchi, H., Irie, T., Sakai, J., Zhao, Y., … Negishi, Y. (2022). Three-Dimensional Covalent Organic Framework with scu-c Topology for Drug Delivery. ACS Applied Materials and Interfaces, 14(42), 48045–48051. https://doi.org/10.1021/acsami.2c15152
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