Organically-capped metal nanoparticles are an attractive alternative to more conventional oxide-passivated materials, due to the lower reaction temperatures and the possibility of tuning the organic coating. Sonochemical methods have been used to produce air-stable aluminum nanoparticles capped with oleic acid. In order to understand the nature of the metal-organic bonding in this system, we have used FTIR, XPS, and TOFMS-TPD techniques to study the organic passivation layer and its desorption ...
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