Alexander A Puretzky Senior R&D Staff Contact puretzkya@ornl.gov | 865.617.7168 All Publications Vacancy filled nickel-cobalt-titanate thin films... Complex and non-centrosymmetric stacking of layered metal dichalcogenide materials created by screw dislocations... Ultrafast Excited-State Dynamics in Shape- and Composition-Controlled Gold-Silver Bimetallic Nanostructures ... Seamless Staircase Electrical Contact to Semiconducting Graphene Nanoribbons PdSe2: Pentagonal Two-Dimensional Layers with High Air Stability for Electronics Edge-controlled Growth and Etching of Two-Dimensional GaSe Monolayers... Ultrafast Carrier Dynamics in Bimetallic Nanostructures-Enhanced Methylammonium Lead Bromide Perovskites... Nanostructured carbon electrocatalyst supports for intermediate-temperature fuel cells: Single-walled versus multi-walled str... Ultrafast Dynamics of Metal Plasmons Induced by 2D Semiconductor Excitons in Hybrid Nanostructure Arrays... Isoelectronic tungsten doping in monolayer MoSe2 for carrier type modulation ... Ultrafast Charge Transfer and Hybrid Exciton Formation in 2D/0D Heterostructures... Raman study of the structural distortion in the Ni1-xCoxTiO3 solid-solution... In-plane heterojunctions enable multiphasic 2D MoS2 nanosheets as efficient photocatalysts for hydrogen evolution from water ... In-plane Optical Anisotropy of Layered Gallium Telluride... Tailoring Vacancies Far Beyond Intrinsic Levels Changes the Carrier Type in Monolayer MoSe2-x CrystalsVacancy induced anomali... Nickel-cobalt-titanate thin films – new sustainable magnetic oxides... Nanoscale Silicon as a Catalyst for Graphene Growth: Mechanistic Insight from in Situ Raman Spectroscopy... Interlayer Interactions in Twisted WSe2/WS2 Bilayer Heterojunctions: Synthesis, Characterization, and Modeling... Two-dimensional GaSe/MoSe2 Misfit Bilayer Heterojunctions by van der Waals Epitaxy... Persistent photoconductivity in two-dimensional Mo1-xWxSe2−MoSe2 van der Waals heterojunctions... Anisotropic Electron-Photon and Electron-Phonon Interactions in Black Phosphorus... Improving Light Harvesting in Dye-Sensitized Solar Cells Using Hybrid Bimetallic Nanostructures... Two-dimensional Ga/Se/MoSe2 misfit bilayer heterojunctions by van der Waals epitaxy Low-Frequency Interlayer Raman Modes to Probe Interface of Twisted Bilayer MoS2... Improving Light Harvesting in Dye Sensitized Solar Cells using Hybrid Bimetallic Nanostructures... Pagination First page « First Previous page ‹‹ … Page 3 Current page 4 Page 5 … 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