Selective CO<sub>2</sub> Electroreduction from Tuneable Naphthalene-Based Porous Polyimide Networks.
basic_science · Level V
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- Record sourced from PubMed, PMID 36918275.
- Also identified by DOI 10.1002/adma.202211795.
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Abstract
A series of porous polyimides (pPIs) are synthesized, and their surface areas and pore sizes are optimized by the previously reported Bristol-X'an-Jiatong (BXJ) approach. How this approach can be used to tune and optimize the porous network properties to target and tune their ability to capture CO<sub>2</sub> is demonstrated. Once optimized, these porous organic frameworks are utilized, for the first time, as electrocatalysts for the conversion of CO<sub>2</sub> . The excellent Faradaic efficiencies (FEs) for the conversion of CO<sub>2</sub> to formate (91%) and methanol (85%) present exciting opportunities for the metal-free generation of useful fuels and feedstocks from CO<sub>2</sub> . In addition, the ability to directly address and select the conversion products through tuning of the porous materials' properties highlights the potential of this approach, and more generally for a wide range of organic frameworks as future metal-free CO<sub>2</sub> reduction catalysts.