Evaluación de la lumiscencia de puntos cuánticos de carbono sintetizados mediante el método hidrotermal a partir de triticum

Carlos Alfredo Zamora  Valencia; María Isabel Reyes Valderrama; Alejandro de Jesús Herrera Carbajal; Eleazar Salinas Rodríguez; Ventura Rodriguez Lugo

doi:10.29057/icbi.v7iEspecial-2.4745

Carlos Alfredo Zamora Valencia Universidad Autónoma del Estado de Hidalgo
María Isabel Reyes Valderrama Universidad Autónoma del Estado de Hidalgo
Alejandro de Jesús Herrera Carbajal Universidad Autónoma del Estado de Hidalgo
Eleazar Salinas Rodríguez Universidad Autónoma del Estado de Hidalgo
Ventura Rodriguez Lugo Universidad Autónoma del Estado de Hidalgo

DOI: https://doi.org/10.29057/icbi.v7iEspecial-2.4745

Keywords: quantum dots, hydrothermal treatment, luminescence

Abstract

In the present work, the synthesis of carbon quantum dots from Wheat (Triticum) was carried out by the hydrothermal method, optimizing the synthesis conditions for the control of the emission and composition of the surface for its potential application as a biomarker. The carbon quantum dots obtained were characterized by luminescence spectroscopy techniques, obtaining a maximum excitation at 371 nm and a maximum emission at 442 nm emitting a blue-cyan color within the visible range that was verified by the system of Chromatic coordinates, electron transitions π-π * and n-π * are presented by UV-Vis spectroscopy, as well as the calculation of Egap with values of 1.61 and 2.13 eV. Finally, FT-IR spectroscopy shows functional groups such as OH-, CH, CN, C = C, CO, C-OH, COC, COOH, C = C, which allows the formation of functionalized carbon quantum dots for manufacturing of biomarkers.

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