Redistributing the Electronic States of 2D-Covalent Organic Frameworks for Electrochemical Energy Applications

Exploration of significantly active functional materials is highly valued for designing efficient electrochemical energy devices. 2D-covalent organic frameworks (2D-COF) have attracted significant interest in the context of important electrochemical applications due to their tunable structural and electronic properties, high thermal/chemical stability, and their carbon-based motifs. The present review highlights the strategies and properties of modifying 2D-COF electronically in detail and their prospects in electrochemical devices. The review clearly explains the electronic actuation methods of the COF skeletons by various synthetic and post-synthetic strategies. The review crucially elucidates the importance of electroactive 2D-COF as emerging functional materials in practical applications of electrochemical energy conversion devices. The review concludes by summarizing the effective strategies of 2D-COF in improving electrocatalytic applications and suggests future research scope. The review orients the electroactive 2D-COFs for critical analysis as advanced functional materials for a sustainable and reliable future. The charge localization of 2D-COFs is effectively modulated to improve intrinsic conductivity and multiply redox-active sites to utilize the robust structures for industrial-scale electrochemical energy conversion and storage devices. The review discusses the versatility of structural modifications in 2D-COF by synthetic and post-synthetic strategies to redistribute localized electronic states and suggests 2D-COFs as emerging functional materials for commercial energy devices.image

Automated summary

This review explores the strategies and properties of modifying the electronic properties of 2D-COF and highlights their prospects in electrochemical devices. The importance of electroactive 2D-COF as emerging functional materials in electrochemical energy conversion devices is elucidated, and effective strategies to improve their electrocatalytic applications are summarized.