Solution-processable polymers of intrinsic microporosity for gas-phase carbon dioxide photoreduction

Floriana Moruzzi, Weimin Zhang, Balaji Purushothaman, Soranyel Gonzalez-Carrero, Catherine M. Aitchison, Benjamin Willner, Fabien Ceugniet, Yuanbao Lin, Jan Kosco, Hu Chen, Junfu Tian, Maryam Alsufyani, Joshua S. Gibson, Ed Rattner, Yasmine Baghdadi, Salvador Eslava, Marios Neophytou, James R. Durrant, Ludmilla Steier, Iain McCulloch

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Four solution-processable, linear conjugated polymers of intrinsic porosity are synthesised and tested for gas phase carbon dioxide photoreduction. The polymers’ photoreduction efficiency is investigated as a function of their porosity, optical properties, energy levels and photoluminescence. All polymers successfully form carbon monoxide as the main product, without the addition of metal co-catalysts. The best performing single component polymer yields a rate of 66 μmol h−1 m−2, which we attribute to the polymer exhibiting macroporosity and the longest exciton lifetimes. The addition of copper iodide, as a source of a copper co-catalyst in the polymers shows an increase in rate, with the best performing polymer achieving a rate of 175 μmol h−1 m−2. The polymers are active for over 100 h under operating conditions. This work shows the potential of processable polymers of intrinsic porosity for use in the gas phase photoreduction of carbon dioxide towards solar fuels.

Original languageEnglish (US)
Article number3443
JournalNature communications
Volume14
Issue number1
DOIs
StatePublished - Dec 2023
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Biochemistry, Genetics and Molecular Biology
  • General Physics and Astronomy

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