Kai Xiao Distinguished Staff Scientist Contact XIAOK@ORNL.GOV All Publications Suppression of Defects and Deep Levels Using Isoelectronic Tungsten Substitution in Monolayer MoSe2... Perovskite Materials: Solar Cell and Optoelectronic Applications Atomic Defects in Monolayer Titanium Carbide (Ti3C2Tx) MXene PdSe2: Pentagonal Two-Dimensional Layers with High Air Stability for Electronics Tilt Grain Boundary Topology Induced by Substrate Topography Edge-controlled Growth and Etching of Two-Dimensional GaSe Monolayers... Enhancing Ion Migration in Grain Boundaries of Hybrid Organic–Inorganic Perovskites by Chlorine Ultrafast Dynamics of Metal Plasmons Induced by 2D Semiconductor Excitons in Hybrid Nanostructure Arrays Observation of Nanoscale Morphological and Structural Degradation in Perovskite Solar Cells by In-Situ TEM Isoelectronic tungsten doping in monolayer MoSe2 for carrier type modulation ... Ultrafast Charge Transfer and Hybrid Exciton Formation in 2D/0D Heterostructures... Atomic Defects in Monolayer Titanium Carbides (Ti3C2Tx) MXene... Low Temperature Synthesis of Hierarchical TiO2 Nanostructures for High Performance Perovskite Solar Cells Patterned Growth of P-Type MoS2 Atomic Layers Using Sol–Gel as Precursor Nanoforging of Single Layer MoSe2 Through Defect Engineering with Focused Helium Ion Beams Unraveling the Fundamental Mechanisms of Solvent Additive-Induced Optimization of Power Conversion Efficiencies in Organic Photovoltaic Devices Tailoring Vacancies Far Beyond Intrinsic Levels Changes the Carrier Type in Monolayer MoSe2-x CrystalsVacancy induced anomali... Interlayer Interactions in Twisted WSe2/WS2 Bilayer Heterojunctions: Synthesis, Characterization, and Modeling... Low Thermal Budget, Photonic-Cured Compact TiO2 Layer for High-Efficiency Perovskite Solar Cells... Persistent photoconductivity in two-dimensional Mo1-xWxSe2−MoSe2 van der Waals heterojunctions Imaging Electronic Trap States in Perovskite Thin Films with Combined Fluorescence and Femtosecond Transient Absorption Micro... Two-dimensional GaSe/MoSe2 Misfit Bilayer Heterojunctions by van der Waals Epitaxy Deciphering Halogen Competition in Organometallic Halide Perovskite Growth... Separation of Distinct Photoexcitation Species in Femtosecond Transient Absorption Microscopy Simplification of Femtosecond Transient Absorption Microscopy Data from CH3NH3PbI3 Perovskite Thin Films into Decay Associated Amplitude Maps Pagination First page « First Previous page ‹‹ … Page 4 Current page 5 Page 6 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Homepage Google Scholar Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Synthesis Section Functional Hybrid Nanomaterials Group
Research Highlight Deep Learning with in situ Diagnostics Reveals Non-trivial Correlations to Film Growth
Research Highlight High-speed Mapping of Surface Charge Dynamics using Sparse Scanning Kelvin Probe Force Microscopy (SS-KPFM)
