Optimization of second harmonic generation of gold nanospheres and nanorods in aqueous solution: the dominant role of surface area.

Abstract

Size and shape of gold nanoparticles (AuNPs) have a strong influence on their second order nonlinear optical properties. In this work, we propose a systematic investigation of surface and shape effects in the case of small gold nanoparticles. Colloidal solutions on AuNPs with different sizes and shapes have been synthesized, i.e. nanospheres (diameters 3.0… (More)
DOI: 10.1039/c5cp06850a

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