Tapping Bio-Inspired Tricks : Controlling Charge Transfer, Accumulation, and Utilization in Catalytic Systems

Philipp Gotico

Institut des Sciences du Vivant Frédéric-Joliot, CEA Saclay, Institut de Biologie Intégrative de la Cellule (I2BC)

Nature has perfected the design of the photosynthetic apparatus and enzymes to control the transfer of electrons and protons, and their eventual accumulation and utilization in catalyzing the transformation of small molecules such as water (H2O) and carbon dioxide (CO2). All of these processes are well orchestrated at minimum energy consumption, while maintaining high efficiency and selectivity. In this seminar, we will discuss two bio-inspired aspects : (i) an artificial system based on Photosystem II that oxidizes H2O to oxygen, producing electrons and protons,1 and (ii) an improved catalyst design based on carbon monoxide dehydrogenase (CODH) that utilizes electrons and protons to transform CO2.2–6 Investigations center on our complementary expertise of synthesis, electrochemistry, and spectroscopy to gain basic understanding and to leverage the learned tricks towards optimized artificial strategies.

Contact pour demander le lien :
http://www.ismo.universite-paris-saclay.fr/spip.php?article2703