Proceedings of nanoGe Fall Meeting19 (NFM19)
DOI: https://doi.org/10.29363/nanoge.nfm.2019.243
Publication date: 18th July 2019
The widespread utilization of renewable energy will require energy dense and cost-effective methods for storage. This challenge could be met by using renewable electricity to drive the reduction of carbon dioxide to energy dense carbonaceous fuels. However, many fuels are accessible over a narrow range in electrochemical potential, requiring a detailed mechanistic understanding of the key factors that control kinetic branching in these reactions. By combining electrochemical kinetic studies and in situ spectroscopies, we have uncovered key factors that control reaction selectivity and have applied this understanding to systematically tune product distributions in CO2-to-fuels catalysis. In particular, we will discuss (1) how electrolytes and solvent compete for adsorption of key intermediates, (2) how proton-coupled electron transfer dynamics provide key branchpoints for CO2 reduction vs H2 production, and (3) how competition between adsorbed H and CO drive C1 vs C2 selectivity. Our latest findings in this areas will be discussed.
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Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
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