Porous materials, including hybrid materials such as metal-organic frameworks and wholly organic materials such as porous organic polymers, are promising materials for myriad applications ranging from gas separations and storage to catalysis. However, the synthesis of these materials on large scale remains a bottleneck for industrial applications. Herein, we will discuss methods for the solvent-free synthesis of porous materials. We will demonstrate that molten Lewis acids can be used to prepare microporous organic materials from readily available polyacetylated starting materials. In particular, we will discuss how Lewis acid structure affects our ability to prepare highly conjugated polymer materials with improved electrical conductivities compared to traditional methods. In addition, we will discuss how molten metal salts can be generally used to prepare both known and new azolate and salicylate metal-organic frameworks.

Solvent-free synthesis of porous materials: From porous organic polymers to metal-organic frameworks

ACS Spring 2022

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