2D and 3D Porphyrinic Covalent Organic Frameworks: The Influence of Dimensionality on Functionality

Abstract

The construction of 2D and 3D covalent organic frameworks (COFs) from functional moieties for desired properties has gained much attention. However, the influence of COFs dimensionality on their functionalities, which can further assist in COF design, has never been explored. Now, by selecting designed precursors and topology diagrams, 2D and 3D porphyrinic COFs (2D‐PdPor‐COF and 3D‐PdPor‐COF) are synthesized. By model building and Rietveld refinement of powder X‐ray diffraction, 2D‐PdPor‐COF crystallizes as 2D sheets while 3D‐PdPor‐COF adopts a five‐fold interpenetrated pts topology. Interestingly, compared with 2D‐PdPor‐COF, 3D‐PdPor‐COF showed interesting properties, including 1) higher CO2 adsorption capacity; 2) better photocatalytic performance; and 3) size‐selective photocatalysis. Based on this study, we believe that with the incorporation of functional moieties, the dimensionality of COFs can definitely influence their functionalities.

Three‐Dimensional Covalent‐Organic Frameworks Loaded with Highly Dispersed Ultrafine Palladium Nanoparticles as Efficient Heterogeneous Catalyst

“…Three‐dimensional (3D) COFs is another important category of COFs family [28–33] . The monomers are three‐dimensionally polymerized to form 3D crystalline materials.…”

Metal–Covalent Organic Frameworks (MCOFs): A Bridge Between Metal–Organic Frameworks and Covalent Organic Frameworks

“…a) Photocatalytic selective oxidation of sulfides to sulfoxides by 2D and 3D Pd-COFs. [52] Copyright2 020, Wiley.b)2DIr-COFs catalyzed CÀHborylation of arenes.…”

Nanoscale covalent organic frameworks as theranostic platforms for oncotherapy: synthesis, functionalization, and applications

“…Some porphyrin-and phthalocyanine-based COFs have been metallized by using this method (Table 4). [274][275][276][277][278][279][280][281][282][283][284][285][286] However, most coordination compound molecules cannot be stabilized within the COFs under harsh solvothermal conditions, signicantly limiting their widespread applications.…”