Electrostatically controlled diffusion of carboxylic acid derivatized silver colloidal particles in thermally evaporated fatty amine films

Article Abstract:

The effect of colloidal particle concentration, solution pH and film thickness on the kinetic properties of cluster incorporation in thermally evaporated fatty amine films synthesized from quartz-crystal microgravimetry measurements was investigated. Specifically, electrostatically controlled diffusion of carboxylic acid derivatized silver colloidal particles was analyzed. It was found that the nature of the cluster-diffusion curves was slightly different for amine films annealed prior to immersion in the colloidal solution.

Research, Electric properties, Electrostatics, Thin films, Colloids, Carboxylic acids, Evaporation, Electrodiffusion

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Transmetalation reaction between hydrophobic silver nanoparticles and aqueous chloroaurate ions at the air-water interface

Article Abstract:

The possibility of carrying out the transmetalation reaction between hydrophobic silver nanoparticles assembled and constrained at the air-water interface and subphase gold ions is investigated. Transmetelation reactions between nanoparticles constrained into a close-packed structure and appropriate metal ions could lead to a new strategy for metallic cross-linking of nanoparticles and generation of coatings with promising optoelectonic behavior.

Observations, Thermal properties, Transmission electron microscopes, Structure, Chemical properties, Hydrophobic effect

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Synthesis and assembly of CdS nanoparticles in Keggin ion colloidal particles as templates

Article Abstract:

The formation of needle-shaped colloidal particles of phosphotungstate Keggin ions complexed with Cd(super 2+) ions is demonstrated. The metal cation directed morphology variation of Keggin ion colloidal particles and their use as a new class of inorganic scaffolds for the nanomaterials are some of the exciting features of work with future implications in nanocomposites design.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Cadmium, Tungsten, Ions, Colloid chemistry

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