High second-order nonlinear response of platinum nanoflowers: the role of surface corrugation. Issue 6 (22nd January 2016)

• Record Type: Journal Article
• Authors: Ngo, Hoang Minh; Lai, Ngoc Diep; Ledoux-Rak, Isabelle
• Is Part Of: Nanoscale. Volume 8:Issue 6(2016)
• Page Start: 3489
• Page End: 3495
• Publication Date: 2016-01-22
• Subjects: Nanoscience -- Periodicals; Nanotechnology -- Periodicals; 620.505
• DOI: 10.1039/c5nr07571h
• Languages: English
• ISSNs: 2040-3364

Abstract

Abstract : We report the Harmonic Light scattering properties of PtNFs for six different diameters (∼7.0; 8.0; 10.0; 14.0; 20.0 and 31.0 nm). For the first time, very large β values of PtNFs are presented. Abstract : Platinum nanoflowers (PtNFs) were elaborated using the seed-mediated growth technique applied to monodisperse platinum nanoparticles (∼3.0 nm) synthesized by the chemical reduction method. The X-ray diffraction pattern confirmed the formation of face-centered-cubic platinum nanocrystals. We report the Harmonic Light Scattering (HLS) properties of PtNFs for six different diameters (∼7.0; 8.0; 10.0; 14.0; 20.0 and 31.0 nm). From these HLS data we infer, for the first time, large hyperpolarizability β values of PtNFs. These very high β values of PtNFs are assigned mainly to highly corrugated surfaces for nanoparticles with irregular shapes.