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Nanoparticle-based electrodes for sustainable energy

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If you have a question about this talk, please contact Tracy Inman.

Solar energy has the potential to meet global power needs but current methods to capture and use solar energy are expensive and inefficient. The feasibility of large-scale solar energy use will be greatly improved by devices that economically convert solar energy to chemical energy and by devices that convert chemical energy to electrical energy. I have begun a systematic exploration into the self-assembly of nanoparticle-based materials that will likely play a central role as electrodes in these devices. From these studies, a number of fascinating electrode morphologies have emerged that provide insight into the structure-property relationships that guide device design. In this presentation, I explore: (1) fuel cell electrodes that are self-assembled using designed interactions between nanoparticles and block copolymers, (2) a new analytical technique that provides insight into the highest performing metal oxide photoanodes for solar water splitting, and (3) a new class of materials termed “nanoparticle electrides” that are derived from ligand-stabilized nanoparticles in which the emission of unpaired electrons from the nanoparticles dramatically influences the material’s electronic and magnetic properties.

This talk is part of the BSS Formal Seminars series.

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