Abstract
Covalent triazine frameworks (CTFs) are a unique type of porous materials, comprised of triazine units. Owing to the strong linkage of triazine, the most important advantage of CTFs lies in their high chemical and thermal stabilities and high nitrogen content as compared to other porous organic polymers (POPs). Therefore, CTFs are one of the most promising materials for practical applications. Much research has been devoted to developing new methods to synthesize CTFs and explore their potential applications. Nowadays, energy and environmental issues have attracted enormous attention. CTFs are particular promising for energy- and environment-related applications, due to their nitrogen-rich scaffold and robust structure. Here, we selected some typical examples and reviewed recent advancements in the synthesis of CTFs and their applications in gas adsorption, separation, and catalysis in relation to environment and energy issues.
Highlights
Porous organic polymers (POPs) are a new class of nanoporous materials which were discovered in recent decades
POPs can be divided into several representative subtypes, namely, conjugated microporous polymers (CMPs) [3], covalent organic frameworks (COFs) [4,5], covalent triazine frameworks (CTFs) [6], porous aromatic frameworks (PAFs) [7], hypercrosslinked polymers (HCPs) [8], and polymer of intri nsic microporosities (PIMs) [9]
CTFs are arecomprised comprised of triazine they are structurally nitrogen-abundant of triazine units;units; they are structurally nitrogen-abundant materials
Summary
Porous organic polymers (POPs) are a new class of nanoporous materials which were discovered in recent decades. Their highly porous nature and covalent bonding structures endow them with large surface areas and high stability. These characteristics make them useful in a number of advanced functional applications, reason for which they are receiving large research attention nowadays in materials science [1,2]. We selected typical examples of CTFs reported in the literature and reviewed the recent development in their synthesis and application in gas adsorption and catalysis in relation to energy and environment issues
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