activity
20142019
most citedDirect Observationof DegenerateTwo-Photon Absorption and Its Saturation in WS2 and MoS2 Monolayer and Few-Layer Films

410 citations · 1.5k across the 11 of their papers we have counts for

collaborators
Showing cond-mat.mtrl-sciShow all

9 papers · 1 filter

cond-mat.mtrl-sci2019★ 52 cited

Perforating freestanding molybdenum disulfide monolayers with highly charged ions

Roland Kozubek, Mukesh Tripathi, Mahdi Ghorbani-Asl +12

Porous single layer molybdenum disulfide (MoS) is a promising material for applications such as DNA sequencing and water desalination. In this work, we introduce irradiation wi…

cond-mat.mtrl-sci2019★ 15 cited

Defect-Moderated Oxidative Etching of MoS2

Pierce Maguire, Jakub Jadwiszczak, Maria O'Brien +4

We report a simple technique for the selective etching of bilayer and monolayer MoS. In this work, chosen regions of MoS were activated for oxygen adsorption and reaction b…

cond-mat.mtrl-sci2018★ 10 cited

Suppression of the Shear Raman Mode in Defective Bilayer MoS2

Pierce Maguire, Clive Downing, Jakub Jadwiszczak +7

We investigate the effects of lattice disorders on the low frequency Raman spectra of bilayer MoS2. The bilayer MoS2 was subjected to defect engineering by irradiation with a 30 ke…

cond-mat.mtrl-sci2017★ 68 cited

Defect Sizing, Separation and Substrate Effects in Ion-Irradiated Monolayer 2D Materials

Pierce Maguire, Daniel S. Fox, Yangbo Zhou +8

Precise and scalable defect engineering of 2D nanomaterials is acutely sought-after in contemporary materials science. Here we present defect engineering in monolayer graphene and…

cond-mat.mtrl-sci2016★ 381 cited

High-performance hybrid electronic devices from layered PtSe2 films grown at low temperature

Chanyoung Yim, Kangho Lee, Niall McEvoy +8

Layered two-dimensional (2D) materials display great potential for a range of applications, particularly in electronics. We report the large-scale synthesis of thin films of platin…

cond-mat.mtrl-sci2015★ 240 cited

Raman Characterization of Platinum Diselenide Thin Films

Maria O'Brien, Niall McEvoy, Carlo Motta +12

Platinum diselenide (PtSe2) is a newly discovered 2D material which is of great interest for applications in electronics and catalysis. PtSe2 films were synthesized by thermally-as…

cond-mat.mtrl-sci2015★ 154 cited

Mapping of Low-Frequency Raman Modes in CVD-Grown Transition Metal Dichalcogenides: Layer Number, Stacking Orientation and Resonant Effects

Maria OBrien, Niall McEvoy, Damien Hanlon +3

Layered inorganic materials, such as the transition metal dichalcogenides (TMDs), have attracted much attention due to their exceptional electronic and optical properties. Reliable…

cond-mat.mtrl-sci2015★ 32 cited

Low wavenumber Raman spectroscopy of highly crystalline MoSe2 grown by chemical vapor deposition

Maria O'Brien, Niall McEvoy, Damien Hanlon +4

Transition metal dichalcogenides (TMDs) have recently attracted attention due to their interesting electronic and optical properties. Fabrication of these materials in a reliable a…

cond-mat.mtrl-sci2014★ 90 cited

Heterojunction Hybrid Devices from Vapor Phase Grown MoS

Chanyoung Yim, Maria O`Brien, Niall McEvoy +9

We investigate a vertically-stacked hybrid photodiode consisting of a thin n-type molybdenum disulfide (MoS) layer transferred onto p-type silicon. The fabrication is scalabl…