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Bio-inspired strategies for the catalytic reduction and valorization of carbon dioxide

Abstract : The criticality of global warming urges for the advancement of science to reduce carbon dioxide (CO₂) emissions in the atmosphere. At the heart of this challenge is the development of sustainable catalysts that can help capture, activate, reduce, and eventually valorize CO₂. This PhD work tried to respond to this call by developing molecular mimics inspired by natural systems in the larger scheme of artificial photosynthesis. Firstly, it involved tracking the journey of a photon of visible light and how it is transformed to a reducing power able to reduce CO₂. Secondly, in search for more efficient and stable catalysts, new mimics were synthesized inspired by the exceptional performance of CO dehydrogenase enzymes (CODH) in reducing CO₂. Lastly, further understanding of CODH also led to a proof-of-concept that directly valorizes the photo-produced CO for the synthesis of isotopically-labelled amide bonds, a common motif in pharmaceutically-relevant drugs.
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Submitted on : Thursday, October 10, 2019 - 2:20:12 PM
Last modification on : Tuesday, November 10, 2020 - 8:55:07 AM


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  • HAL Id : tel-02310759, version 1



Philipp Gotico. Bio-inspired strategies for the catalytic reduction and valorization of carbon dioxide. Catalysis. Université Paris Saclay (COmUE), 2019. English. ⟨NNT : 2019SACLS283⟩. ⟨tel-02310759⟩



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