Structure and Electrical Conductivity of Ring Deposits Resulting from Evaporation of Droplets of Dispersions Containing Gold Nanoparticles with Different Degrees of Anisotropy
The effect of the degree of anisotropy (axial ratio) of gold nanoparticles on the structure and conductivity of ring deposits formed on a planar substrate upon evaporation of droplets of aqueous dispersions with different particle number concentrations has been studied. A nontrivial phenomenon of a decrease in the specific conductivity of the deposits with an increase in particle concentration in case of gold nanorods dispersions has been revealed.
This work was supported by the Presidium of the Russian Academy of Sciences (Program of Fundamental Research no. 34).
The experiments were carried out using the equipment of the Center for Collective Use of the A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, and the Teaching and Methodical Center of Lithography and Microscopy of Moscow State University.
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