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Successive Deposition of Silver on Silver Nanoplates: Lateral versus Vertical Growth

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  • This work was supported in part by a research grant from the NSF (DMR-0804088) and startup funds from Washington University in St. Louis. Y.X. was also partially supported by the World Class University (WCU) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R32-20031). Part of the research was performed at the Nano Research Facility (NRF), a member of the National Nanotechnology Infrastructure Network (NNIN), which is funded by the NSF under award no. ECS-0335765. As a jointly supervised student, X.X. was also partially supported by a Fellowship from the China Scholarship Council. P.H. was supported by the NSF Summer Research Program in Solid-State Chemistry and Materials.

Abstract

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Zugangsbeschränkung: Die epitaktische Abscheidung von Ag auf Ag-Nanoplättchen konnte durch den Zusatz von Natriumcitrat oder Poly(vinylpyrrolidon) (PVP) in seitliche bzw. senkrechte Richtung gelenkt werden (siehe Bild), sodass Kantenlänge und Dicke der Ag-Nanoplättchen um das 100- bzw. 40-Fache zunahmen. Raman-Streusignale für Ag-Nanokügelchen auf den Ag-Nanoplättchen wurden mit zunehmender Dicke der Plättchen intensiver.

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