Abstract:Electron transfer to and from metal oxide nanocrystals (NCs) modulates their infrared localized surface plasmon resonance (LSPR) absorption, revealing fundamental aspects of their photophysics and providing opportunities for sensing and dynamic window technologies. However, the achievable shift of the LSPR is diminished by the presence of a near-surface depletion layer with low electron concentration. The depletion layer also separates the plasmonic NC core from the surrounding environment with a deleterious e… Show more
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