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Gas-Phase Synthesis of complex Nanoparticles and their interaction with surfaces

AuthorsHuttel, Yves ; Mayoral, Álvaro; Martínez-Orellana, Lidia ; García-Martín, José Miguel ; Fernández-Martínez, Iván ; García-Hernández, M.
Issue Date20-Jun-2018
CitationCSI Workshop (2018)
AbstractSince the seminal work of Haberland’s group [1], magnetron based gas aggregation sources (GAS) have been used in an increasing number of nanoparticles studies. As compared to other GAS, the magnetron based GAS have gained popularity probably thanks to their relative ease to use, and to the fact that the majority of the generated nanoparticles are charged which allows their manipulation (filtering and deflection) [2]. In most experiments and experimental set-ups, the nanoparticles or clusters are deposited on substrates for their further use or study. Hence the interaction between nanoparticle/cluster and the surface of the substrate can play a role in the final properties of the system Nanoparticle/Surface. In this talk, through several examples, we will address such effects that arise from the interaction between the deposited nanoparticles and the substrates. In particular we will show that the charge of the nanoparticles (most of the nanoparticles generated by GAS are negatively charged) has a strong effect on the landing behavior of the nanoparticles and that the sticking coefficient of the nanoparticles is highly dependent on the chemical nature of the surface.
DescriptionTrabajo presentado en el Cluster-Surface Interactions Workshop, celebrado en Trondheim (Noruega), del 19 al 21 de junio de 2018
Appears in Collections:(ICMM) Comunicaciones congresos
(IMN-CNM) Comunicaciones congresos
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