Probing Diffusion of Single Nanoparticles at Water-Oil Interfaces

The diffusion of nanoparticles at a water–alkane interface is studied using fluorescence correlation spectroscopy. Hydrophilic and hydrophobic quantum dots of 5, 8, and 11 nm radius are used. A slow‐down of nanoparticle diffusion at the liquid–liquid interface is observed. The effect is most evident...

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Veröffentlicht in:	Small (Weinheim an der Bergstrasse, Germany) Germany), 2011-12, Vol.7 (24), p.3502-3507
Hauptverfasser:	Wang, Dapeng, Yordanov, Stoyan, Paroor, Harsha Mohan, Mukhopadhyay, Ashis, Li, Christopher Y., Butt, Hans-Jürgen, Koynov, Kaloian
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkanes - chemistry Diffusion fluorescence correlation spectroscopy interfacial diffusion Kinetics nanoparticles Nanoparticles - chemistry Oils - chemistry Quantum Dots Spectrometry, Fluorescence Viscosity Water - chemistry water-oil interfaces
Online-Zugang:	Volltext
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