Nanostructure Engineering of Graphitic Carbon Nitride for Electrochemical Applications

Chao LU, Xi CHEN

Research output: Journal PublicationsReview articleOther Review

59 Citations (Scopus)

Abstract

Graphitic carbon nitride with ordered two-dimensional structure displays multiple properties, including tunable structure, suitable bandgap, high stability, and facile synthesis. Many achievements on this material have been made in photocatalysis, but the advantages have not yet been fully explored in electrochemical fields. The bulk structure with low conductivity impedes charge-transfer kinetics during electrochemical processes. Excessive nitrogen content leads to insufficient charge transfer, while bulk structures produce tortuous channels for mass transport. Some attempts have been made to address these issues by nanostructure engineering, such as ultrathin structure design, heterogeneous composition, defect engineering, and morphology control. These structure-engineered nanomaterials have been successfully applied in electrochemical fields, including ionic actuators, flexible supercapacitors, lithium-ion batteries, and electrochemical sensors. Herein, a timely review on the latest advances in graphitic carbon nitride through various engineering strategies for electrochemical applications has been summarized. A perspective on critical challenges and future research directions is highlighted for graphitic carbon nitride in electrochemistry on the basis of existing research works and our experimental experience. © 2021 American Chemical Society.
Original languageEnglish
Pages (from-to)18777-18793
Number of pages17
JournalACS Nano
Volume15
Issue number12
Early online date1 Nov 2021
DOIs
Publication statusPublished - 28 Dec 2021
Externally publishedYes

Bibliographical note

This work was supported by the Earth Engineering Center, Center for Advanced Materials for Energy and Environment at Columbia University.

Keywords

  • cycling stability
  • electrochemical applications
  • fast charge transfer
  • graphitic carbon nitride
  • ion channels
  • nanostructure engineering
  • two-dimensional structure
  • ultrathin structure

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