Graphene terahertz devices for sensing and communication

AC Samaha, J Doumani, TE Kritzell, H Xu, A Baydin… - Small, 2024 - Wiley Online Library
Graphene‐based terahertz (THz) devices have emerged as promising platforms for a variety
of applications, leveraging graphene's unique optoelectronic properties. This review …

Probing graphene grain boundaries with optical microscopy

DL Duong, GH Han, SM Lee, F Gunes, ES Kim, ST Kim… - Nature, 2012 - nature.com
Grain boundaries in graphene are formed by the joining of islands during the initial growth
stage, and these boundaries govern transport properties and related device performance …

Diffusion mechanism of lithium ion through basal plane of layered graphene

F Yao, F Gunes, HQ Ta, SM Lee, SJ Chae… - Journal of the …, 2012 - ACS Publications
Coexistence of both edge plane and basal plane in graphite often hinders the
understanding of lithium ion diffusion mechanism. In this report, two types of graphene …

Ultraviolet/ozone treatment to reduce metal-graphene contact resistance

W Li, Y Liang, D Yu, L Peng, KP Pernstich… - Applied Physics …, 2013 - pubs.aip.org
We report reduced contact resistance of single-layer graphene devices by using ultraviolet
ozone treatment to modify the metal/graphene contact interface. The devices were fabricated …

Observing grain boundaries in CVD-grown monolayer transition metal dichalcogenides

TH Ly, MH Chiu, MY Li, J Zhao, DJ Perello… - ACS …, 2014 - ACS Publications
Two-dimensional monolayer transition metal dichalcogenides (TMdCs), driven by graphene
science, revisit optical and electronic properties, which are markedly different from bulk …

Toward high carrier mobility and low contact resistance: laser cleaning of PMMA residues on graphene surfaces

Y Jia, X Gong, P Peng, Z Wang, Z Tian, L Ren, Y Fu… - Nano-micro letters, 2016 - Springer
Abstract Poly (methyl methacrylate)(PMMA) is widely used for graphene transfer and device
fabrication. However, it inevitably leaves a thin layer of polymer residues after acetone …

Adsorption energy of oxygen molecules on graphene and two-dimensional tungsten disulfide

FR Bagsican, A Winchester, S Ghosh, X Zhang, L Ma… - Scientific reports, 2017 - nature.com
Adsorption of gas molecules on the surface of atomically layered two-dimensional (2D)
materials, including graphene and transition metal dichalcogenides, can significantly affect …

Epoxy to carbonyl group conversion in graphene oxide thin films: effect on structural and luminescent characteristics

JR Rani, J Lim, J Oh, JW Kim, HS Shin… - The Journal of …, 2012 - ACS Publications
The conversion of epoxy to carbonyl group in graphene oxide (GO) thin films has been
carried out via oxygen plasma treatment, and the effects of this conversion on structural and …

Synergizing graphene oxide with microwave irradiation for efficient cellulose depolymerization into glucose

EG Mission, AT Quitain, M Sasaki, T Kida - Green Chemistry, 2017 - pubs.rsc.org
The abundance in hydroxyl groups neighboring the hydrolytic site (β-1, 4 glycosidic bonds)
in cellulose forms a tightly packed crystalline structure, and hence, is a major challenge in …

Toward Large-Scale Ga2O3 Membranes via Quasi-Van Der Waals Epitaxy on Epitaxial Graphene Layers

JH Min, KH Li, YH Kim, JW Min, CH Kang… - … Applied Materials & …, 2021 - ACS Publications
Epitaxial growth using graphene (GR), weakly bonded by van der Waals force, is a subject
of interest for fabricating technologically important semiconductor membranes. Such …