David B Geohegan Group Leader, Functional Hybrid Nanomaterials, Center for Nanophase Materials Sciences Contact geohegandb@ornl.gov | 865.241.6159 All Publications Anomalous isotope effect on the optical bandgap in a monolayer transition metal dichalcogenide semiconductor Role of Curvature in Stabilizing Boron-Doped Nanocorrugated Graphene Armor for Steel: Facile Synthesis of Hexagonal Boron Nitride Films on Various Substrates Molybdenum Disulfide Nanoribbons with Enhanced Edge Nonlinear Response and Photoresponsivity... Real-Time Diagnostics of 2D Crystal Transformations by Pulsed Laser Deposition: Controlled Synthesis of Janus WSSe Monolayers... Laser synthesis and processing of atomically thin 2D materials Stabilized Synthesis of 2D Verbeekite: Monoclinic PdSe 2 Crystals with High Mobility and In-Plane Optical and Electrical Anis... Photoluminescence Induced by Substitutional Nitrogen in Single-Layer Tungsten Disulfide... Janus Monolayers for Ultrafast and Directional Charge Transfer in Transition Metal Dichalcogenide Heterostructures... Selective Antisite Defect Formation in WS2 Monolayers via Reactive Growth on Dilute W-Au Alloy Substrates... CRADA Final Report: CRADA Number NFE1706843 with SkyNano LLC... Heterogeneities at multiple length scales in 2D layered materials: From localized defects and dopants to mesoscopic heterostr... Strain-Induced Growth of Twisted Bilayers during the Coalescence of Monolayer MoS 2 Crystals... Intrinsic Defects in MoS2 Grown by Pulsed Laser Deposition: From Monolayers to Bilayers... Excitonic Dynamics in Janus MoSSe and WSSe Monolayers... Giant enhancement of exciton diffusivity in two-dimensional semiconductors... Non‐Equilibrium Synthesis of Highly Active Nanostructured, Oxygen‐Incorporated Amorphous Molybdenum Sulfide HER Electroca... Enhancement of van der Waals Interlayer Coupling through Polar Janus MoSSe... Electron‐Beam‐Related Studies of Halide Perovskites: Challenges and Opportunities... In situ laser reflectivity to monitor and control the nucleation and growth of atomically thin 2D materials... Two‐Dimensional Palladium Diselenide with Strong In‐Plane Optical Anisotropy and High Mobility Grown by Chemical Vapor De... Synthesis and emerging properties of 2D layered III–VI metal chalcogenides... Room-Temperature Electron–Hole Liquid in Monolayer MoS2... Defect-Mediated Phase Transformation in Anisotropic Two-Dimensional PdSe2 Crystals for Seamless Electrical Contacts... Strain Tolerance of Two-Dimensional Crystal Growth on Curved Surfaces... Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Synthesis Section Functional Hybrid Nanomaterials Group
