15-17 December 2022
Lima. Peru
America/Lima timezone
Share our event through the following link: https://indico.uni.edu.pe/e/Meeting-of-Physics-2022

Optical bandwidth estimate of graphene oxides and multilayers of reduced graphene oxides

16 Dec 2022, 10:00
30m
Plataforma zoom del XXII Meeting of Physics (Lima. Peru)

Plataforma zoom del XXII Meeting of Physics

Lima. Peru

Universidad Nacional Mayor de San Marcos
parallels Solid State Physics parallels

Speaker

Mrs ADELA PEREZ CARREÑO (UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS)

Description

In this paper we propose the study of the bandwidth in the multilayers of Graphene oxide (MGO) and thermally reduced graphene oxide (RMGO). The Raman spectroscopy technique (laser with an excitation wavelength of 532 nm) was used to determine the intensities of the D and G bands, in these spectra, with these the mean distance between defects (La) on the surface of multilayers, so we finally determine the optical bandwidth. The results show that the bandwidth is more stable to the variation of the laser power density, in addition, it decreases due to the thermal reduction. This fact provides a basis for estimating the optical bandwidth in Graphene Oxide and Reduced Graphene Oxide Multilayers.

Primary author

Mrs ADELA PEREZ CARREÑO (UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS)

Co-authors

Mrs MONTALVO ROCIO (UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS) Mr JHOSEP PANANA (UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS) Mrs ELISA COLMENARES (UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS) Dr Ana Melva Champi Farfan (Universidade Federal do ABC)

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