Band gap opening of monolayer and bilayer graphene doped with aluminium, silicon, phosphorus, and sulfur

PA Denis - Chemical Physics Letters, 2010 - Elsevier
The chemical doping of monolayer and bilayer graphene with aluminium, silicon,
phosphorus and sulfur was investigated. Si-doped graphene has the lowest formation …

Comparative study of defect reactivity in graphene

PA Denis, F Iribarne - The Journal of Physical Chemistry C, 2013 - ACS Publications
We have applied dispersion corrected density functional theory to gauge the reactivity of the
most common defects found in graphene. Specifically, we investigated single vacancies …

First-principles-inspired design strategies for graphene-based supercapacitor electrodes

BC Wood, T Ogitsu, M Otani… - The Journal of Physical …, 2014 - ACS Publications
Using density-functional theory calculations on a variety of model surfaces, we demonstrate
that the low theoretical quantum capacitance of graphene-based electrodes can be …

Towards graphyne molecular electronics

Z Li, M Smeu, A Rives, V Maraval, R Chauvin… - Nature …, 2015 - nature.com
Abstract α-Graphyne, a carbon-expanded version of graphene ('carbo-graphene') that was
recently evidenced as an alternative zero-gap semiconductor, remains a theoretical …

Concentration dependence of the band gaps of phosphorus and sulfur doped graphene

PA Denis - Computational materials science, 2013 - Elsevier
First principle calculations were applied to study the electronic properties of S and P-doped
graphene. In particular, the PBE and HSE06 density functionals were utilized. The …

Theoretical characterization of sulfur and nitrogen dual-doped graphene

PA Denis, CP Huelmo, F Iribarne - Computational and Theoretical …, 2014 - Elsevier
We have employed density functional theory to unravel the structural and electronic
properties of sulfur and nitrogen dual-doped graphene. In the preferred configuration, the …

A DFT study of the interplay between dopants and oxygen functional groups over the graphene basal plane–implications in energy-related applications

AS Dobrota, IA Pašti, SV Mentus… - Physical Chemistry …, 2017 - pubs.rsc.org
Understanding the ways graphene can be functionalized is of great importance for many
contemporary technologies. Using density functional theory calculations we investigate how …

A general view on the reactivity of the oxygen-functionalized graphene basal plane

AS Dobrota, IA Pašti, SV Mentus… - Physical Chemistry …, 2016 - pubs.rsc.org
In this contribution we inspect the adsorption of H, OH, Cl and Pt on oxidized graphene
using DFT calculations. The introduction of epoxy and hydroxyl groups on the graphene …

Hydrogenation and fluorination of 2D boron phosphide and boron arsenide: A density functional theory investigation

S Ullah, PA Denis, F Sato - ACS omega, 2018 - ACS Publications
First-principles density functional theory calculations are performed to study the stability and
electronic properties of hydrogenated and fluorinated two-dimensional sp3 boron phosphide …

Altering the reactivity of pristine, N-and P-doped graphene by strain engineering: A DFT view on energy related aspects

AS Dobrota, IA Pašti, SV Mentus, B Johansson… - Applied Surface …, 2020 - Elsevier
For carbon-based materials, in contrast to metal surfaces, a general relationship between
strain and reactivity is not yet established, even though there are literature reports on …