David A Cullen Senior R&D Staff Contact cullenda@ornl.gov | 865.576.0230 All Publications Investigation of thin/well-tunable liquid/gas diffusion layers exhibiting superior multifunctional performance in low-tempera... Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst Correlative Energy-Dispersive X-Ray Spectroscopic Tomography and Atom Probe Tomography of the Phase Separation in an Alnico 8... Synthesis of half-sphere/half-funnel shaped silica structures by reagent localization and the role of water in shape control... Oxygen Interaction with Hexagonal OsB2 at High Temperature... Discovery of true electrochemical reactions for ultrahigh catalyst mass activity in water splitting... Thin liquid/gas diffusion layers for high-efficiency hydrogen production from water splitting... Direct-write liquid phase transformations with a scanning transmission electron microscope... Atomistic-Scale Simulations of Defect Formation in Graphene under Noble Gas Ion Irradiation... Fuel cell electrode optimization through multi-scale analytical microscopy... Turning the Halide Switch in the Synthesis of Au–Pd Alloy and Core–Shell Nanoicosahedra with Terraced Shells: Performance... Structural Characterization of Bimetallic Nanocrystal Electrocatalysts... Characterizing Alnico Alloy by Correlative STEM-EDS Tomography and Atom Probe Tomography ... Anchorage of γ-Al2O3 nanoparticles on nitrogen-doped multiwalled carbon nanotubes... Vapor phase hydrogenation of furfural over nickel mixed metal oxidecatalysts derived from layered double hydroxides... Third order nonlinear optical response exhibited by mono- and fewlayers of WS2... Colloidosome like structures: self-assembly of silica microrods... Critical Role of Intercalated Water for Electrocatalytically Active Nitrogen-Doped Graphitic Systems... Distinct photoluminescence and Raman spectroscopy signatures for identifying highly crystalline WS2 monolayers produced by di... Local platinum environments in a solid analog of the molecular Periana catalyst... Direct-write liquid phase transformations with a scanning transmission electron microscope Discovery of true electrochemical reactions for ultrahigh catalyst mass activity in water splitting Atomistic-Scale Simulations of Defect Formation in Graphene Under Noble Gas Ion Irradiation In search of the elusive IrB2: Can mechanochemistry help?... Todorokite-Type Manganese Oxide Nanowires as an Intercalation Cathode for Li-ion and Na-ion Batteries... Pagination First page « First Previous page ‹‹ … Page 8 Current page 9 Page 10 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section Materials Microanalysis Group