Abstract:Die Untersuchung und Anwendung komplexer Nanostrukturen setzt die Fähigkeit voraus, verschiedene Einheiten hierarchisch auf der Nanometerskala anzuordnen. In dieser Studie beschreiben wir eine Herstellungsmethode für Planet-Satellit-Strukturen vermittelt durch RAFT-Polymere. Die vorgestellte Strategie beruht auf Sternpolymeren mit Trithiocarbonat-Endgruppen auf deren Außenseite, welche eine Affinität zu Goldoberflächen aufweisen und somit das Polymer zu einem Verknüpfer (grçßerer) Goldnanopartikel-Planeten und… Show more
“…It should be noted that a mixture of nanoparticles with a broad size distribution was prepared using the citrate-capped AuNPs, which indicated a loss of control during the PISA process. This is probably because the citrate-capped AuNPs have ligand exchange with the P4VP-CTA (note: as-prepared with an end-capped trithiocarbonate group) through trithiocarbonate interactions 41,42 during photo-polymerization. In order to eliminate the ligand exchange effect and improve the hybridization quality, we assume that the citrate-capped AuNPs can be functionalized with the P4VP-CTA as polymer ligands, which benets stabilization of AuNPs in organic solvent (e.g., methanol and styrene).…”
“…It should be noted that a mixture of nanoparticles with a broad size distribution was prepared using the citrate-capped AuNPs, which indicated a loss of control during the PISA process. This is probably because the citrate-capped AuNPs have ligand exchange with the P4VP-CTA (note: as-prepared with an end-capped trithiocarbonate group) through trithiocarbonate interactions 41,42 during photo-polymerization. In order to eliminate the ligand exchange effect and improve the hybridization quality, we assume that the citrate-capped AuNPs can be functionalized with the P4VP-CTA as polymer ligands, which benets stabilization of AuNPs in organic solvent (e.g., methanol and styrene).…”
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