Condensation of Supramolecular Assemblies at Low Temperatures as a Tool for the Preparation of Photoactive C3N3O Materials

Jesús Barrio, Neeta Karjule, Jiani Qin, Menny Shalom

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We report the synthesis of new photoactive carbon nitride polymers with high oxygen content (CNO) at low calcination temperatures (300–400 °C). To do so, we designed new carbon- and oxygen-rich supramolecular assemblies as reactants. The starting monomers’ composition allows the formation of photoactive CNO semiconductors with extended absorption and ordered morphologies. Interestingly, at these reaction temperatures, the chemical structure of the starting monomers is partially retained, opening a path for the transfer of properties from the molecular level to the final CN materials after condensation. The new CNO polymers exhibit good photoactivity for the hydrogen evolution reaction, CO2 reduction and rhodamine B dye degradation.

Original languageEnglish
Pages (from-to)6295-6300
Number of pages6
JournalChemCatChem
Volume11
Issue number24
DOIs
StatePublished - 18 Dec 2019

Keywords

  • Supramolecular organization
  • carbon nitride
  • photocatalysis
  • rational design

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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