Aggregation and Deposition Kinetics of Fullerene (C 60 ) Nanoparticles
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Abstract
The aggregation and deposition kinetics of fullerene C60 nanoparticles have been investigated over a wide range of monovalent and divalent electrolyte concentrations by employing time-resolved dynamic light scattering (DLS) and quartz crystal microbalance (QCM), respectively. Aggregation kinetics of the fullerene nanoparticles exhibited reaction-limited (slow) and diffusion-limited (fast) regimes in the presence of both electrolytes, having critical coagulation concentrations (CCC) of 120 and 4.8 mM for the monovalent (NaCl) and divalent (CaCl2) salts, respectively. The measured stability ratios of the aggregating fullerene nanoparticles were in very good agreement with Derjaguin-Landau-Verwey-Overbeek (DLVO)…
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Topics
Keywords
- Quartz crystal microbalance
- DLVO theory
- Fullerene
- Nanoparticle
- Kinetics
- Chemistry
- Hamaker constant
- Electrolyte
UN Sustainable Development Goals
- Clean water and sanitation
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