Perovskites in the energy grid and CO2 conversion: Current context and future directions

Ahmad Tabish, Anish Mathai Varghese, Md A. Wahab, Georgios N. Karanikolos

Research output: Contribution to journalReview articlepeer-review

25 Scopus citations

Abstract

CO2 emissions from the consumption of fossil fuels are continuously increasing, thus impacting Earth’s climate. In this context, intensive research efforts are being dedicated to develop materials that can effectively reduce CO2 levels in the atmosphere and convert CO2 into value-added chemicals and fuels, thus contributing to sustainable energy and meeting the increase in energy demand. The development of clean energy by conversion technologies is of high priority to circumvent these challenges. Among the various methods that include photoelectrochemical, high-temperature conversion, electrocatalytic, biocatalytic, and organocatalytic reactions, photocatalytic CO2 reduction has received great attention because of its potential to efficiently reduce the level of CO2 in the atmosphere by converting it into fuels and value-added chemicals. Among the reported CO2 conversion catalysts, perovskite oxides catalyze redox reactions and exhibit high catalytic activity, stability, long charge diffusion lengths, compositional flexibility, and tunable band gap and band edge. This review focuses on recent advances and future prospects in the design and performance of perovskites for CO2 conversion, particularly emphasizing on the structure of the catalysts, defect engineering and interface tuning at the nanoscale, and conversion technologies and rational approaches for enhancing CO2 transformation to value-added chemicals and chemical feedstocks.

Original languageBritish English
Article number95
JournalCatalysts
Volume10
Issue number1
DOIs
StatePublished - Jan 2020

Keywords

  • Artificial photosynthesis
  • Carbon dioxide
  • Catalyst
  • Chemical looping
  • Conversion
  • Perovskites
  • Redox reactions
  • Reduction
  • Review

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