  A Laser-stimulated synthesis of large silver nanoaggregates consisting of
hundreds to thousands of nanoparticles is investigated. It is shown that the
morphology of the synthesized nanostructures can be controlled with light and
monitored via the evolution of the colloid absorption spectra. A solution
method is demonstrated that enables production of a bulk amount of metal
nanoaggregates, which are of paramount importance for subwavelength
concentration and dramatic enhancement of the electromagnetically-induced
processes at the nanoscale.
