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ab initio study of the electronic properties of hydrogenated roundish SiC quantum dots

POSTER

Abstract

Silicon carbide quantum dots (SiC-QD), recently have been the most investigated material due to its potential applications in the different fields such as medicine, energy, and electronic fields [1–3]. In this work, we study the electronic properties on roundish hidrogenated 3C SiC-QD with three different diameters and C-rich, by means of density functional theory. Our results exhibit flat states in the CBM and VBM, besides it is observed the quantum confinament effects, this means that electronic band gap increase while the diameter decrease. The formation energy of the system shows that the most stable disposition is the diameter is the diameter three followed by, and the most unestable system is diameter one. These Open up the oportunity to design new nanodevices due to hidrogen produce N-doping in this systems

Keywords: SiC; Quantum Dots; DFT; electronic properties

References

[1] Pranab Sarkar Supriya Saha. Tuning the homo–lumo gap of sic quantum dots by surface

functionalization. Chemical Physics Letters, 536:118–122, (2012).

[2] H. Ouarrad, F. Z. Ramadan, and L. B. Drissi. Engineering silicon-carbide quantum dots for

third generation photovoltaic cells. Optics Express, 28:36656, (2020).

[3] Mognetti, B., Barberis, A., Marino, S., Di Carlo, F., Lysenko, V., Marty, O., & Géloën, A. (2010). Preferential killing of cancer cells using silicon carbide quantum dots. Journal of nanoscience and nanotechnology, 10(12), 7971-7975.

Presenters

  • Saravana Prakash Thirumuruganandham

    Centro de Investigación de Ciencias Humanas y de la Educació, Centro de Investigación de Ciencias Humanas y de la Educación (CICHE), Universidad Indoamérica, Ambato 180103, Ecuador

Authors

  • Saravana Prakash Thirumuruganandham

    Centro de Investigación de Ciencias Humanas y de la Educació, Centro de Investigación de Ciencias Humanas y de la Educación (CICHE), Universidad Indoamérica, Ambato 180103, Ecuador

  • Miguel Ojeda Martinez

    Universidad de Guadalajara, Centro de Investigaci ´on en Nanociencia y Nanotecnolog ´ia de CUValles, Depto. de Ciencias Naturales y Exactas, Ameca Jalisco 46600 M ´exico.

  • Jose Luis Cuevas

    Centro de Investigación de Ciencias Humanas y de la Educación (CICHE), Universidad Indoamérica, Ambato 180103, Ecuador