Abstract:A highly soluble Au(I) gold precursor is used to produce a nanocomposite material consisting of a polystyrene matrix and gold nanoparticles. Irradiation of such a material with nanosecond laser pulses at the plasmon resonance wavelength leads to the formation of highly luminescent black spots containing amorphous carbon, as confirmed by HR TEM analysis. A simple model, based on laser heating of a nanoparticle to a temperature of more than 2000 K and stabilization of this temperature by the endothermic process … Show more
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