1. Centro de Investigación en Ingeniería y Ciencias Aplicadas, CIICAp Universidad Autónoma del Estado de Morelos, UAEM, Av. Univ. 1001, Col. Chamilpa, C. P. 62209 Cuernavaca, Morelos, México
2. Instituto de Energías Renovables (IER) Universidad Nacional Autónoma de México (UNAM), Xochicalco s/n, Azteca, 62580 Temixco, Morelos, Mexico
3. Department of Physics, Binghamton University, Binghamton, New York 13902, United States
4. Department of Physics, Center for 2-Dimensional and Layered Materials, The Pennsylvania State University, University Park, Pennsylvania 16802, United States