Chemistry Department Colloquium

"Coupling Molecular Catalysts with Light-Harvesting Surfaces for Solar CO2 Reduction"

Presented by Gonghu Li, Dept. of Chemistry, University of New Hampshire

Monday, October 7, 2019, 11:00 am — Hamilton Seminar Room, Bldg. 555

There is a critical need for robust photosynthetic systems that can achieve efficient solar fuel production by CO2 reduction or water splitting. We combine highly efficient molecular catalysts with light-harvesting solid surfaces for use in solar CO2 reduction. In particular, coordination complexes of rhenium and cobalt have been coupled with mesoporous SiO2, TiO2, C3N4, and Si nanostructures. A variety of techniques, including infrared and X-ray absorption spectroscopies, were utilized to investigate CO2-reduction catalysis in these hybrid systems. Appropriate covalent linkages and catalyst/surface interactions were found to be important in promoting selective CO2 reduction.

Hosted by: David Grills and Anatoly Frenkel

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