Successful prediction of electronic and photonic properties of graphene by Egypt pyramids model for nanotechnology

Title : Successful prediction of electronic and photonic properties of graphene by Egypt pyramids model for nanotechnology

Abstract:

Nowadays graphene is an important material for electronic and photonic applications. Its electric, electronic and photonic properties have been determined by many authors. However, all theoretical models on graphene cannot account very well for the observed properties. By using crystalline accommodation law quantum quantitative model (CALQQM) we have determined successfully the pervious properties of graphene in agreement with experimental data. The calculated Photoluminescence (PL) transitions for grapheme are 521.22 and 264.22 nm corresponding to energies 2.37 and 4.68 eV respectively. Also by using Egypt pyramids model for nanotechnology (EPMN) we have determined successfully the nano properties of graphene quantum dots (GQD). It was found that the quantum size effect QSE) and the reactivity size (RS) in the honeycomb plane are 12.3 nm and 9.84 nm respectively. Also the variation of GQDs band structures and particle size have been studied.

Biography:

Tarek Neyazi Ali El Ashram was born on 14 July 1967 in Aga, Dakahelia, Egypt. He is currently working as a Full Professor of Materials Physics at the Faculty of Science, Port Said University, Port Said, Egypt. He has published 30 papers that contributed to science, including the crystalline accommodation law (CAL-2015), quantum quantitative model (CALQQM-2024), and Egypt pyramids model for nanotechnology (EPMN-2025). Using these models, he has addressed important problems in solid-state physics such as the crystalline structure of materials, energy levels of electrons in solids, work function of materials, room temperature superconductivity, and nano-phenomena.