Magnetic Measurements of Graphene and Defected Graphene Generated by Laser Ablation Method

Synthesis of magnetic graphene-Fe3O4 nanocomposites by electrochemical exfoliation method

Superparamagnetic few-layer graphene nanocomposites (FLG- NCs) can be used for many technological applications, such as solar cells, batteries, touch panels and supercapacitors. In this work, we applied electrochemical exfoliation method as a simple, one step and economical technique to fabricate FLG- NCs. The fabricated Superparamagnetic FLG- NCs were characterized by X-ray diffraction (XRD), ...

Li diffusion through doped and defected graphene.

We investigate the effect of nitrogen and boron doping on Li diffusion through defected graphene using first principles based density functional theory. While a high energy barrier rules out the possibility of Li- diffusion through the pristine graphene, the barrier reduces with the incorporation of defects. Among the most common defects in pristine graphene, Li diffusion through the divacancy ...

Quantum transport modeling of defected graphene nanoribbons

We study backscattering phenomena during conduction for graphene nanoribbons of mm lengths, from single vacancy scatterers up to finite defect concentrations. Using ab initio calibrated Hamiltonian models we highlight the importance of confinement and geometry on the shaping of the local density of states around the defects that can lead to important alterations on the transport process, giving...

Nanoscale patterning of graphene through femtosecond laser ablation

The Ab-initio Study of Bulk Single Layer Defected Graphene towards Graphene Device

Received Mar 10, 2017 Revised May 5, 2017 Accepted May 26, 2017 Graphene is a promising new material for the construction of graphene devices because of its surface modification can be tuned the band gap. In this paper, the electronic and transport characteristics of defected graphene device are investigated. Both the electronic and transport characteristics are simulated using density function...

Laser Machining of Graphene

Since Geim and Novoselov’s successful production of high quality graphene, its unique properties have found a number of applications. But graphene is not an exotic chemical compound; instead, it is a sheet of graphite, one atom think. Before 2008, the only way to produce graphene was through successive pealing of graphite with scotch tape until graphite flakes as thin as 1 atomic layer were lef...