Catalysis. Highly active copper-ceria and copper-ceria-titania catalysts for methanol synthesis from CO₂.
basic_science · Level V
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- Record sourced from PubMed, PMID 25082699.
- Also identified by DOI 10.1126/science.1253057.
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Abstract
The transformation of CO2 into alcohols or other hydrocarbon compounds is challenging because of the difficulties associated with the chemical activation of CO2 by heterogeneous catalysts. Pure metals and bimetallic systems used for this task usually have low catalytic activity. Here we present experimental and theoretical evidence for a completely different type of site for CO2 activation: a copper-ceria interface that is highly efficient for the synthesis of methanol. The combination of metal and oxide sites in the copper-ceria interface affords complementary chemical properties that lead to special reaction pathways for the CO2→CH3OH conversion.