Yamamoto YS, Fujime Y, Takahashi N, Nakanishi S, Itoh T. Formation mechanism of plasmonic silver nanohexagonal particles made by galvanic displacement reaction.
RSC Adv 2016. [DOI:
10.1039/c6ra00685j]
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Abstract
Multi-element XPS depth profile analysis made clear that Ag nanoscale hexagonal columns formed by newly-discovered galvanic displacement reaction are covered with Cu compounds which prevent Ag columns from fusion, resulting in stable hotspots.
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