Synthesis of Silver Selenide Bicomponent Nanoparticles by a Novel Technique: Laser–Solid–Liquid Ablation

Laser ablation in liquids: Applications in the synthesis of nanocrystals

“…Generally, these small particles float on the surface of the liquid due to their large surface tension. Currently, increasing number of researchers has started to pay attention to the latter [72][73][74][75][76][77][78][79][80][81][82][83][84][85][86][87][88][89][90][91]. Accordingly, the production of PLA in a confining liquid is divided into two parts, one is at the liquid bottom in surface coating, and other is at the liquid surface in particles.…”

“…For instance, the size of the synthesized nanocrystals may be at the nanometer scale, when the quenching time of the plasma plume is in the order of ns. In fact, the size distribution of all the small particles is at the nanoscale when laser pulses with pulse duration of less than 20 ns are used to synthesize nanocrystals by laser ablation of solids in a liquid [72][73][74][75][76][77][78][79][80][81][82][83][84][85][86][87][88][89][90][91].…”

Laser fragmentation in liquid medium: A new way for the synthesis of PbTe nanoparticles

“…Few works refer to semiconductors. Colloidal suspensions of nanoparticles obtained by PLAL are generally generated from the ablation of a solid target and only few studies deal with the PLAL (or fragmentation) of micrometric sized particles (HfS 3 [28], Ag 2 Se [29], FeO [30], Bi 2 Te 3 [31], Si [32,33]). Previously, we showed that starting from micrometric sized particles rather than from a bulk target enhances the production of nanosized bismuth telluridebased thermoelectric materials [34,35].…”

Room temperature synthesis of coinage metal (Ag, Cu) chalcogenides

“…have been described in the literature for the preparation of silver selenide nanoparticles. [10][11][12][13] These protocols employ a number of stabilizing agents, like ethylenediamine and surfactants which contaminate the products with high levels of carbon impurity, that affect the magnetoresistivity (MR) of the products. 14 Solution phase alloying of gold with selenium has already been reported from our group in aqueous micelles under UV.…”