Metal nanostructures with the size range of 1-100 nm, featuring unique physical and chemical
properties that arise from their quantum size effects and high surface areas, have been the focus of recent
scientific research. Among a variety of synthetic methods, the photoreduction method represents a
promising strategy for controlled synthesis of metal nanostructures with different sizes, shapes and
composition. In this review, the latest development on synthesis of metal nanostructures by UV radiation,
γ-ray radiation, and laser radiation methods will be overviewed with specific examples to illustrate how to
generate metal nanostructures with unusual structural specialty and complexity. The perspectives on
combination of this method with solution processing and interfacial reactions are given.
Keywords: Photoreduction, stabilization, polymers, UV-reduction, irradiation, nanoparticles.
