ChemInform Abstract: Photoactivated Fluorescence from Individual Silver Nanoclusters.
Abstract
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ChemInform Abstract
Strong photoactivated emission for excitation wavelengths shorter than 520 nm of nanoscale Ag2O and in oxidized thin Ag films that enable Ag2O particles to grow, is revealed by fluorescence microscopy. Data are readily written to these films with blue excitation. Stored data could be nondestructively read with the strong red fluorescence resulting from green excitation. The individual luminescent species are thought to be Ag nanoclusters that are photochemically generated from the oxide.