Self-Assembly of CdSe Nanoplatelets into Stacks of Controlled Size Induced by Ligand Exchange
作者： Artsiom Antanovich , Anatol Prudnikau , Anna Matsukovich , Alexander Achtstein , Mikhail Artemyev
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摘要: In this paper we present a simple method for the preparation of highly stable colloidal solutions individual nanoplatelets (NPls) with increased fluorescence quantum yield and versatile procedure NPls self-assembly into stacks controlled size. Dynamic light scattering technique has been demonstrated to be accurate in situ studies growth kinetics aggregates. The introduced work is based on exchange ligands surface CdSe nanoplatelets. Hexadecylphosphonic acid allows control average size (length) broad range by varying its concentration reaction time. main mechanism governing formation strong van der Waals interaction between rigid brushes alkyl chains neighboring NPls. strength and, consequently, length stability have shown dependent type differ...
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