Alexander A Puretzky Senior R&D Staff Contact puretzkya@ornl.gov | 865.617.7168 All Publications 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... Twisted MoSe2 Bilayers with Variable Local Stacking and Interlayer Coupling Revealed by Low-Frequency Raman Spectroscopy Tailoring synthesis of high-vacancy MoSe<sub>2-x</sub> monolayer crystals Carbon Nanotubes Grown on Metal Microelectrodes for the Detection of Dopamine... Nonlinear Fano-Resonant Dielectric Metasurfaces... Controllable Growth of Perovskite Films by Room-Temperature-Air-Exposure for Efficient Planar Heterojunction Photovoltaic Cel... Structure and Formation Mechanism of Black TiO2 Nanoparticles... Phase determination of black TiO2 nanoparticles... Observation of two distinct negative trions in tungsten disulfide monolayers... Nonlinear Conversion Using Fano-Resonant All-Dielectric Metasurfaces... Patterned Arrays of Lateral Heterojunctions within Monolayer 2D Semiconductors... Perovskite Solar Cells with Near 100% Internal Quantum Efficiency Based on Large Single Crystalline Grains and Vertical Bulk ... Van der Waals Epitaxial Growth of Single-Crystal Two-Dimensional GaSe on Graphene ... Low-frequency Raman 'fingerprints' of two-dimensional metal dichalcogenide layer stacking configurations... Low-frequency Interlayer Breathing Modes in Few-layer Black Phosphorus... Fundamental edge broadening effects during focused electron beam induced nanosynthesis... Revealing the Preferred Interlayer Orientations and Stackings of Two-Dimensional Bilayer Gallium Selenide Crystals... Low-frequency Raman spectroscopy reveals stacking patterns of two-dimensional transition metal dichalcogenides Equally Efficient Inter layer Exciton Relaxation and Improved Absorption in Epitaxial and Nonepitaxial MoS2/WS2 Heterostructu... Revealing the Preferred Interlayer Orientations and Stackings of Two-Dimensional Bilayer Gallium Selenide Crystals Observation of two distinct negative trions in tungsten disulfide monolayers Patterned arrays of lateral heterojunctions within monolayer two-dimensional semiconductors Phase transitions and thermal-stress-induced structural changes in a ferroelectric Pb (Zr0.80Ti0. 20) O3 single crystal... Pagination First page « First Previous page ‹‹ … Page 4 Current page 5 Page 6 … 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