All Stories

  1. Spontaneous Polarization Suppression of Exciton–Exciton Annihilation in Rhombohedral-Stacked Bilayer Molybdenum Disulfide

    Article • ACS Nano, June 2026, American Chemical Society (ACS)

    Dr Kai Xiao

  2. Twist-Angle-Dependent Excitons in Moiré MoTe 2 Visualized by Cryogenic STEM and Monochromated EELS

    Article • Nano Letters, June 2026, American Chemical Society (ACS)

    Dr Kai Xiao

  3. Direct Observation of Ultrafast Defect-Bound and Free Exciton Dynamics in Defect-Engineered WS 2 Monolayers

    Article • ACS Nano, January 2026, American Chemical Society (ACS)

    Dr Kai Xiao

  4. Atom Identification in Bilayer Moiré Materials with Gomb-Net

    Article • Nano Letters, June 2025, American Chemical Society (ACS)

    Dr Kai Xiao

  5. Ultrafast exciton and trion dynamics in highly n -doped Mo

    Article • Physical Review B, February 2025, American Physical Society (APS)

    Dr Kai Xiao

  6. Online Bayesian State Estimation for Real-Time Monitoring of Growth Kinetics in Thin Film Synthesis

    Article • Nano Letters, January 2025, American Chemical Society (ACS)

    Dr Kai Xiao

  7. Exploring electron-beam induced modifications of materials with machine-learning assisted high temporal resolution electron microscopy

    Article • npj Computational Materials, November 2024, Springer Science + Business Media

    Dr Kai Xiao

  8. Deep learning with plasma plume image sequences for anomaly detection and prediction of growth kinetics during pulsed laser deposition

    Article • npj Computational Materials, May 2024, Springer Science + Business Media

    Dr Kai Xiao

  9. Anomalous isotope effect on the optical bandgap in a monolayer transition metal dichalcogenide semiconductor

    Article • Science Advances, February 2024, American Association for the Advancement of Science

    Dr Kai Xiao

  10. Selected Area Manipulation of MoS2 via Focused Electron Beam-Induced Etching for Nanoscale Device Editing

    Article • ACS Applied Materials & Interfaces, February 2024, American Chemical Society (ACS)

    Dr Kai Xiao

  11. Nanoscale Probing of Electrical Memory Effects in van der Waals Layered PdSe2

    Article • ACS Applied Materials & Interfaces, January 2024, American Chemical Society (ACS)

    Dr Kai Xiao

  12. High-speed mapping of surface charge dynamics using sparse scanning Kelvin probe force microscopy

    Article • Nature Communications, November 2023, Springer Science + Business Media

    Dr Kai Xiao

  13. Growing tunable moiré matter

    Article • Nature Materials, August 2023, Springer Science + Business Media

    Dr Kai Xiao

  14. High speed mapping of surface charge dynamics via Spiral Scanning Kelvin Probe Force Microscopy

    Article • March 2023, Springer Science + Business Media

    Dr Kai Xiao

  15. Real-Time Diagnostics of 2D Crystal Transformations by Pulsed Laser Deposition: Controlled Synthesis of Janus WSSe Monolayers and Alloys

    Article • ACS Nano, January 2023, American Chemical Society (ACS)

    Dr Kai Xiao

  16. Laser synthesis and processing of atomically thin 2D materials

    Article • Trends in Chemistry, September 2022, Elsevier

    Dr Kai Xiao

  17. Excitation-Dependent Anisotropic Raman Response of Atomically Thin Pentagonal PdSe2

    Article • ACS Physical Chemistry Au, August 2022, American Chemical Society (ACS)

    Dr Kai Xiao

  18. Stabilized Synthesis of 2D Verbeekite: Monoclinic PdSe2 Crystals with High Mobility and In-Plane Optical and Electrical Anisotropy

    Article • ACS Nano, July 2022, American Chemical Society (ACS)

    Dr Kai Xiao

  19. van der Waals Semiconductor Empowered Vertical Color Sensor

    Article • ACS Nano, April 2022, American Chemical Society (ACS)

    Dr Kai Xiao

  20. Understanding Heterogeneities in Quantum Materials

    Article • Advanced Materials, March 2022, Wiley

    Dr Kai Xiao

  21. Janus Monolayers for Ultrafast and Directional Charge Transfer in Transition Metal Dichalcogenide Heterostructures

    Article • ACS Nano, March 2022, American Chemical Society (ACS)

    Dr Kai Xiao

  22. Atomic Edge-Guided Polyethylene Crystallization on Monolayer Two-Dimensional Materials

    Article • Macromolecules, January 2022, American Chemical Society (ACS)

    Dr Kai Xiao

  23. Selective Antisite Defect Formation in WS2 Monolayers via Reactive Growth on Dilute W‐Au Alloy Substrates

    Article • Advanced Materials, November 2021, Wiley

    Dr Kai Xiao

  24. Magnetostriction of α-RuCl3 Flakes in the Zigzag Phase

    Article • The Journal of Physical Chemistry C, November 2021, American Chemical Society (ACS)

    Dr Kai Xiao

  25. Defect detection in atomic-resolution images via unsupervised learning with translational invariance

    Article • npj Computational Materials, November 2021, Springer Science + Business Media

    Dr Kai Xiao

  26. Understanding Substrate-Guided Assembly in van der Waals Epitaxy by in Situ Laser Crystallization within a Transmission Electron Microscope

    Article • ACS Nano, April 2021, American Chemical Society (ACS)

    Dr Kai Xiao

  27. Strain-Induced Growth of Twisted Bilayers during the Coalescence of Monolayer MoS2 Crystals

    Article • ACS Nano, March 2021, American Chemical Society (ACS)

    Dr Kai Xiao

  28. Controllable Thin‐Film Approaches for Doping and Alloying Transition Metal Dichalcogenides Monolayers

    Article • Advanced Science, February 2021, Wiley

    Dr Kai Xiao

  29. Excitonic Dynamics in Janus MoSSe and WSSe Monolayers

    Article • Nano Letters, January 2021, American Chemical Society (ACS)

    Dr Kai Xiao

  30. Direct Observation of Photoinduced Ion Migration in Lead Halide Perovskites

    Article • Advanced Functional Materials, November 2020, Wiley

    Dr Kai Xiao

  31. Heterogeneities at multiple length scales in 2D layered materials: From localized defects and dopants to mesoscopic heterostructures

    Article • Nano Research, September 2020, Tsinghua University Press

    Dr Kai Xiao

  32. Anisotropic Phonon Response of Few‐Layer PdSe2 under Uniaxial Strain

    Article • Advanced Functional Materials, July 2020, Wiley

    Dr Kai Xiao

  33. Two‐Dimensional Palladium Diselenide with Strong In‐Plane Optical Anisotropy and High Mobility Grown by Chemical Vapor Deposition

    Article • Advanced Materials, July 2020, Wiley

    Dr Kai Xiao

  34. Introduction

    Article • Journal of Materials Research, June 2020, Springer Science + Business Media

    Dr Kai Xiao

  35. Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides

    Article • ACS Nano, April 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  36. Connecting Femtosecond Transient Absorption Microscopy with Spatially Coregistered Time Averaged Optical Imaging Modalities

    Article • The Journal of Physical Chemistry A, April 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  37. In situ laser reflectivity to monitor and control the nucleation and growth of atomically thin 2D materials*

    Article • 2D Materials, March 2020, Institute of Physics Publishing

    Dr Kai Xiao

  38. Two‐Dimensional Palladium Diselenide with Strong In‐Plane Optical Anisotropy and High Mobility Grown by Chemical Vapor Deposition

    Article • Advanced Materials, March 2020, Wiley

    Dr Kai Xiao

  39. Low Energy Implantation into Transition-Metal Dichalcogenide Monolayers to Form Janus Structures

    Article • ACS Nano, March 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  40. Author Correction: Deep learning analysis of defect and phase evolution during electron beam-induced transformations in WS2

    Article • npj Computational Materials, March 2020, Springer Science + Business Media

    Dr Kai Xiao

  41. Atomically Precise PdSe2 Pentagonal Nanoribbons

    Article • ACS Nano, February 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  42. Electron‐Beam‐Related Studies of Halide Perovskites: Challenges and Opportunities

    Article • Advanced Energy Materials, February 2020, Wiley

    Dr Kai Xiao

  43. Relationship between the Nature of Monovalent Cations and Charge Recombination in Metal Halide Perovskites

    Article • ACS Applied Energy Materials, January 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  44. Layer-by-Layer Thinning of PdSe2 Flakes via Plasma Induced Oxidation and Sublimation

    Article • ACS Applied Materials & Interfaces, January 2020, American Chemical Society (ACS)

    Dr Kai Xiao

  45. Strain–Chemical Gradient and Polarization in Metal Halide Perovskites

    Article • Advanced Electronic Materials, January 2020, Wiley

    Dr Kai Xiao

  46. Twin domains modulate light-matter interactions in metal halide perovskites

    Article • APL Materials, January 2020, American Institute of Physics

    Dr Kai Xiao

  47. Defects in Highly Anisotropic Transition-Metal Dichalcogenide PdSe2

    Article • The Journal of Physical Chemistry Letters, December 2019, American Chemical Society (ACS)

    Dr Kai Xiao

  48. Exploring the air stability of PdSe2 via electrical transport measurements and defect calculations

    Article • npj 2D Materials and Applications, December 2019, Springer Science + Business Media

    Dr Kai Xiao

  49. Synthesis and emerging properties of 2D layered III–VI metal chalcogenides

    Article • Applied Physics Reviews, December 2019, American Institute of Physics

    Dr Kai Xiao

  50. The role of mid-gap phonon modes in thermal transport of transition metal dichalcogenides

    Article • Journal of Physics Condensed Matter, October 2019, Institute of Physics Publishing

    Dr Kai Xiao

  51. Publisher Correction: Reply to: On the ferroelectricity of CH3NH3PbI3 perovskites

    Article • Nature Materials, September 2019, Springer Science + Business Media

    Dr Kai Xiao

  52. Light‐Ferroic Interaction in Hybrid Organic–Inorganic Perovskites

    Article • Advanced Optical Materials, September 2019, Wiley

    Dr Kai Xiao

  53. Reply to: On the ferroelectricity of CH3NH3PbI3 perovskites

    Article • Nature Materials, September 2019, Springer Science + Business Media

    Dr Kai Xiao

  54. Investigation of Electrode Electrochemical Reactions in CH3NH3PbBr3 Perovskite Single‐Crystal Field‐Effect Transistors

    Article • Advanced Materials, July 2019, Wiley

    Dr Kai Xiao

  55. Atomic Insight into Thermolysis‐Driven Growth of 2D MoS2

    Article • Advanced Functional Materials, May 2019, Wiley

    Dr Kai Xiao

  56. Defect-Mediated Phase Transformation in Anisotropic Two-Dimensional PdSe2 Crystals for Seamless Electrical Contacts

    Article • Journal of the American Chemical Society, May 2019, American Chemical Society (ACS)

    Dr Kai Xiao

  57. Strain tolerance of two-dimensional crystal growth on curved surfaces

    Article • Science Advances, May 2019, American Association for the Advancement of Science

    Dr Kai Xiao

  58. Spatial Mapping of Thermal Boundary Conductance at Metal–Molybdenum Diselenide Interfaces

    Article • ACS Applied Materials & Interfaces, April 2019, American Chemical Society (ACS)

    Dr Kai Xiao

  59. Molecular Scaffold Growth of Two-Dimensional, Strong Interlayer-Bonding-Layered Materials

    Article • CCS Chemistry, April 2019, Chinese Chemical Society

    Dr Kai Xiao

  60. Lithographically patterned metallic conduction in single-layer MoS2 via plasma processing

    Article • npj 2D Materials and Applications, March 2019, Springer Science + Business Media

    Dr Kai Xiao

  61. Deep learning analysis of defect and phase evolution during electron beam-induced transformations in WS2

    Article • npj Computational Materials, February 2019, Springer Science + Business Media

    Dr Kai Xiao

  62. Isotope-Engineering the Thermal Conductivity of Two-Dimensional MoS2

    Article • ACS Nano, January 2019, American Chemical Society (ACS)

    Dr Kai Xiao

  63. A roadmap for electronic grade 2D materials

    Article • 2D Materials, January 2019, Institute of Physics Publishing

    Dr Kai Xiao

  64. On the origin of spatially dependent electronic excited-state dynamics in mixed hybrid perovskite thin films

    Article • Lithuanian Journal of Physics, January 2019, Lithuanian Academy of Sciences

    Dr Kai Xiao

  65. Author Correction: Mapping mesoscopic phase evolution during E-beam induced transformations via deep learning of atomically resolved images

    Article • npj Computational Materials, December 2018, Springer Science + Business Media

    Dr Kai Xiao

  66. Ultrafast Exciton Dissociation at the 2D-WS2 Monolayer/Perovskite Interface

    Article • The Journal of Physical Chemistry C, December 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  67. Transformation of 2D group-III selenides to ultra-thin nitrides: enabling epitaxy on amorphous substrates

    Article • Nanotechnology, September 2018, Institute of Physics Publishing

    Dr Kai Xiao

  68. Atmospheric and Long-term Aging Effects on the Electrical Properties of Variable Thickness WSe2 Transistors

    Article • ACS Applied Materials & Interfaces, September 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  69. Impact of Crystallographic Orientation Disorders on Electronic Heterogeneities in Metal Halide Perovskite Thin Films

    Article • Nano Letters, September 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  70. Valence band inversion and spin-orbit effects in the electronic structure of monolayer GaSe

    Article • September 2018, American Physical Society (APS)

    Dr Fausto Sirotti, Dr Kai Xiao

  71. Chemical nature of ferroelastic twin domains in CH3NH3PbI3 perovskite

    Article • Nature Materials, August 2018, Springer Science + Business Media

    Dr Kai Xiao

  72. 3D Imaging and Manipulation of Subsurface Selenium Vacancies in PdSe2<...

    Article • Physical Review Letters, August 2018, American Physical Society (APS)

    Dr Kai Xiao

  73. Dynamic behavior of CH3NH3PbI3 perovskite twin domains

    Article • Applied Physics Letters, August 2018, American Institute of Physics

    Dr Kai Xiao

  74. Mapping mesoscopic phase evolution during E-beam induced transformations via deep learning of atomically resolved images

    Article • npj Computational Materials, June 2018, Springer Science + Business Media

    Dr Kai Xiao

  75. Ion Migration Studies in Exfoliated 2D Molybdenum Oxide via Ionic Liquid Gating for Neuromorphic Device Applications

    Article • ACS Applied Materials & Interfaces, June 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  76. Photocarrier Transfer across Monolayer MoS2–MoSe2 Lateral Heterojunctions

    Article • ACS Nano, June 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  77. In situ atomistic insight into the growth mechanisms of single layer 2D transition metal carbides

    Article • Nature Communications, June 2018, Springer Science + Business Media

    Dr Kai Xiao

  78. In situ edge engineering in two-dimensional transition metal dichalcogenides

    Article • Nature Communications, May 2018, Springer Science + Business Media

    Dr Kai Xiao

  79. Anomalous interlayer vibrations in strongly coupled layered PdSe 2

    Article • 2D Materials, May 2018, Institute of Physics Publishing

    Dr Kai Xiao

  80. The growth and assembly of organic molecules and inorganic 2D materials on graphene for van der Waals heterostructures

    Article • Carbon, May 2018, Elsevier

    Dr Kai Xiao

  81. Thermal Boundary Conductance Mapping at Metal-MoSe<inf>2</inf> Interface

    Article • May 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Kai Xiao

  82. Real‐Time Observation of Order‐Disorder Transformation of Organic Cations Induced Phase Transition and Anomalous Photoluminescence in Hybrid Perovskites

    Article • Advanced Materials, April 2018, Wiley

    Dr Kai Xiao

  83. Tip-induced local strain on MoS2/graphite

    Article • Physical Review B, March 2018, American Physical Society (APS)

    Dr Kai Xiao

  84. Effect of Charge Localization on the Effective Hyperfine Interaction in Organic Semiconducting Polymers

    Article • Physical Review Letters, February 2018, American Physical Society (APS)

    Ram Chandra Subedi, Dr Kai Xiao

  85. Effect of Metal Doping and Vacancies on the Thermal Conductivity of Monolayer Molybdenum Diselenide

    Article • ACS Applied Materials & Interfaces, January 2018, American Chemical Society (ACS)

    Dr Kai Xiao

  86. Laser Synthesis, Processing, and Spectroscopy of Atomically-Thin Two Dimensional Materials

    Article • January 2018, Springer Science + Business Media

    Dr Kai Xiao

  87. Lead-free halide double perovskite-polymer composites for flexible X-ray imaging

    Article • Journal of Materials Chemistry C, January 2018, Royal Society of Chemistry

    Dr Kai Xiao

  88. Crystal‐Field Tuning of Photoluminescence in Two‐Dimensional Materials with Embedded Lanthanide Ions

    Article • Angewandte Chemie, December 2017, Wiley

    Dr Kai Xiao

  89. Deep Learning of Atomically Resolved Scanning Transmission Electron Microscopy Images: Chemical Identification and Tracking Local Transformations

    Article • ACS Nano, December 2017, American Chemical Society (ACS)

    Dr Kai Xiao

  90. High performance top-gated multilayer WSe2 field effect transistors

    Article • Nanotechnology, October 2017, Institute of Physics Publishing

    Dr Kai Xiao

  91. An Imide‐Based Pentacyclic Building Block for n‐Type Organic Semiconductors

    Article • Chemistry - A European Journal, October 2017, Wiley

    Dr Kai Xiao

  92. PdSe2: Pentagonal Two-Dimensional Layers with High Air Stability for Electronics

    Article • Journal of the American Chemical Society, September 2017, American Chemical Society (ACS)

    Dr Kai Xiao

  93. Synthesis and Photoluminescence Properties of 2D Phenethylammonium Lead Bromide Perovskite Nanocrystals

    Article • Small Methods, September 2017, Wiley

    Dr Kai Xiao

  94. Tilt Grain Boundary Topology Induced by Substrate Topography

    Article • ACS Nano, August 2017, American Chemical Society (ACS)

    Dr Kai Xiao

  95. High Conduction Hopping Behavior Induced in Transition Metal Dichalcogenides by Percolating Defect Networks: Toward Atomically Thin Circuits

    Article • Advanced Functional Materials, August 2017, Wiley

    Dr Kai Xiao

  96. Nonequilibrium Synthesis of TiO2 Nanoparticle “Building Blocks” for Crystal Growth by Sequential Attachment in Pulsed Laser Deposition

    Article • Nano Letters, July 2017, American Chemical Society (ACS)

    Dr Kai Xiao

  97. Tunable quasiparticle band gap in few-layer GaSe/graphene van der Waals heterostructures

    Article • July 2017, American Physical Society (APS)

    Dr Fausto Sirotti, Dr Kai Xiao

  98. High-performance multilayer WSe2 field-effect transistors with carrier type control

    Article • Nano Research, July 2017, Tsinghua University Press

    Dr Kai Xiao

  99. Separating Bulk and Surface Contributions to Electronic Excited-State Processes in Hybrid Mixed Perovskite Thin Films via Multimodal All-Optical Imaging

    Article • The Journal of Physical Chemistry Letters, July 2017, American Chemical Society (ACS)

    Dr Kai Xiao

  100. Polymeric spatial resolution test patterns for mass spectrometry imaging using nano‐thermal analysis with atomic force microscopy

    Article • Rapid Communications in Mass Spectrometry, June 2017, Wiley

    Dr Kai Xiao

  101. Enhancing Ion Migration in Grain Boundaries of Hybrid Organic–Inorganic Perovskites by Chlorine

    Article • Advanced Functional Materials, May 2017, Wiley

    Dr Kai Xiao

  102. Edge-Controlled Growth and Etching of Two-Dimensional GaSe Monolayers

    Article • Journal of the American Chemical Society, December 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  103. 2D materials advances: from large scale synthesis and controlled heterostructures to improved characterization techniques, defects and applications

    Article • 2D Materials, December 2016, Institute of Physics Publishing

    Dr Kai Xiao

  104. Ultrafast Dynamics of Metal Plasmons Induced by 2D Semiconductor Excitons in Hybrid Nanostructure Arrays

    Article • ACS Photonics, December 2016, American Chemical Society (ACS)

    Dr Kai Xiao, Dr Viktoriia Babicheva

  105. Observation of Nanoscale Morphological and Structural Degradation in Perovskite Solar Cells by in Situ TEM

    Article • ACS Applied Materials & Interfaces, November 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  106. Suppression of Defects and Deep Levels Using Isoelectronic Tungsten Substitution in Monolayer MoSe2

    Article • Advanced Functional Materials, October 2016, Wiley

    Dr Kai Xiao

  107. Ultrafast Charge Transfer and Hybrid Exciton Formation in 2D/0D Heterostructures

    Article • Journal of the American Chemical Society, October 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  108. Atomic Defects in Monolayer Titanium Carbide (Ti3C2Tx) MXene

    Article • ACS Nano, September 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  109. Patterned Growth: Patterned Growth of P‐Type MoS2 Atomic Layers Using Sol–Gel as Precursor (Adv. Funct. Mater. 35/2016)

    Article • Advanced Functional Materials, September 2016, Wiley

    Dr Kai Xiao

  110. Nanoforging Single Layer MoSe2 Through Defect Engineering with Focused Helium Ion Beams

    Article • Scientific Reports, August 2016, Springer Science + Business Media

    Dr Kai Xiao

  111. Unraveling the Fundamental Mechanisms of Solvent-Additive-Induced Optimization of Power Conversion Efficiencies in Organic Photovoltaic Devices

    Article • ACS Applied Materials & Interfaces, July 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  112. Patterned Growth of P‐Type MoS2 Atomic Layers Using Sol–Gel as Precursor

    Article • Advanced Functional Materials, July 2016, Wiley

    Dr Kai Xiao

  113. Tailoring Vacancies Far Beyond Intrinsic Levels Changes the Carrier Type and Optical Response in Monolayer MoSe2−x Crystals

    Article • Nano Letters, July 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  114. Isoelectronic Tungsten Doping in Monolayer MoSe2 for Carrier Type Modulation

    Article • Advanced Materials, July 2016, Wiley

    Dr Kai Xiao

  115. Interlayer Coupling in Twisted WSe2/WS2 Bilayer Heterostructures Revealed by Optical Spectroscopy

    Article • ACS Nano, June 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  116. Imaging Electronic Trap States in Perovskite Thin Films with Combined Fluorescence and Femtosecond Transient Absorption Microscopy

    Article • The Journal of Physical Chemistry Letters, April 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  117. Two-dimensional GaSe/MoSe2 misfit bilayer heterojunctions by van der Waals epitaxy

    Article • Science Advances, April 2016, American Association for the Advancement of Science

    Dr Kai Xiao

  118. Deciphering Halogen Competition in Organometallic Halide Perovskite Growth

    Article • Journal of the American Chemical Society, March 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  119. Thickness-dependent charge transport in few-layer MoS2field-effect transistors

    Article • Nanotechnology, March 2016, Institute of Physics Publishing

    Dr Kai Xiao

  120. Persistent photoconductivity in two-dimensional Mo1−xWxSe2–MoSe2 van der Waals heterojunctions

    Article • Journal of Materials Research, February 2016, Cambridge University Press

    Dr Kai Xiao

  121. Simplification of femtosecond transient absorption microscopy data from CH 3 NH 3 PbI 3 perovskite thin films into decay associated amplitude maps

    Article • Nanotechnology, February 2016, Institute of Physics Publishing

    Dr Kai Xiao

  122. Separation of Distinct Photoexcitation Species in Femtosecond Transient Absorption Microscopy

    Article • ACS Photonics, February 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  123. Twisted MoSe2 Bilayers with Variable Local Stacking and Interlayer Coupling Revealed by Low-Frequency Raman Spectroscopy

    Article • ACS Nano, January 2016, American Chemical Society (ACS)

    Dr Kai Xiao

  124. Ultrathin nanosheets of CrSiTe3: a semiconducting two-dimensional ferromagnetic material

    Article • Journal of Materials Chemistry C, January 2016, Royal Society of Chemistry

    Dr Kai Xiao

  125. Low temperature synthesis of hierarchical TiO2 nanostructures for high performance perovskite solar cells by pulsed laser deposition

    Article • Physical Chemistry Chemical Physics, January 2016, Royal Society of Chemistry

    Dr Kai Xiao

  126. Low thermal budget, photonic-cured compact TiO2 layers for high-efficiency perovskite solar cells

    Article • Journal of Materials Chemistry A, January 2016, Royal Society of Chemistry

    Dr Kai Xiao

  127. Quantitative Phase Fraction Detection in Organic Photovoltaic Materials through EELS Imaging

    Article • Polymers, November 2015, MDPI AG

    Dr Kai Xiao

  128. Controllable Growth of Perovskite Films by Room‐Temperature Air Exposure for Efficient Planar Heterojunction Photovoltaic Cells

    Article • Angewandte Chemie, October 2015, Wiley

    Dr Kai Xiao

  129. Observation of two distinct negative trions in tungsten disulfide monolayers

    Article • Physical Review B, September 2015, American Physical Society (APS)

    Dr Kai Xiao

  130. Nanophase Engineering of Organic Semiconductor-Based Solar Cells

    Article • September 2015, Springer Science + Business Media

    Dr Kai Xiao

  131. Peculiarity of Two Thermodynamically-Stable Morphologies and Their Impact on the Efficiency of Small Molecule Bulk Heterojunction Solar Cells

    Article • Scientific Reports, August 2015, Springer Science + Business Media

    Dr Kai Xiao

  132. Elucidation of Perovskite Film Micro-Orientations Using Two-Photon Total Internal Reflectance Fluorescence Microscopy

    Article • The Journal of Physical Chemistry Letters, August 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  133. Van der Waals Epitaxial Growth of Two-Dimensional Single-Crystalline GaSe Domains on Graphene

    Article • ACS Nano, July 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  134. Patterned arrays of lateral heterojunctions within monolayer two-dimensional semiconductors

    Article • Nature Communications, July 2015, Springer Science + Business Media

    Dr Kai Xiao

  135. Spatial Localization of Excitons and Charge Carriers in Hybrid Perovskite Thin Films

    Article • The Journal of Physical Chemistry Letters, July 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  136. Perovskite Solar Cells with Near 100% Internal Quantum Efficiency Based on Large Single Crystalline Grains and Vertical Bulk Heterojunctions

    Article • Journal of the American Chemical Society, July 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  137. High-Performance Flexible Perovskite Solar Cells by Using a Combination of Ultrasonic Spray-Coating and Low Thermal Budget Photonic Curing

    Article • ACS Photonics, May 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  138. Low-Frequency Raman Fingerprints of Two-Dimensional Metal Dichalcogenide Layer Stacking Configurations

    Article • ACS Nano, May 2015, American Chemical Society (ACS)

    Dr Kai Xiao

  139. Strong spin-lattice coupling in CrSiTe3

    Article • APL Materials, March 2015, American Institute of Physics

    Dr Kai Xiao

  140. Revealing the Preferred Interlayer Orientations and Stackings of Two‐Dimensional Bilayer Gallium Selenide Crystals

    Article • Angewandte Chemie, January 2015, Wiley

    Dr Kai Xiao

  141. Perovskites: transforming photovoltaics, a mini-review

    Article • Journal of Photonics for Energy, January 2015, SPIE

    Dr Kai Xiao

  142. Ultrahigh photo-responsivity and detectivity in multilayer InSe nanosheets phototransistors with broadband response

    Article • Journal of Materials Chemistry C, January 2015, Royal Society of Chemistry

    Dr Kai Xiao

  143. Correlating high power conversion efficiency of PTB7:PC71BM inverted organic solar cells with nanoscale structures

    Article • Nanoscale, January 2015, Royal Society of Chemistry

    Dr Kai Xiao

  144. Digital Transfer Growth of Patterned 2D Metal Chalcogenides by Confined Nanoparticle Evaporation

    Article • ACS Nano, October 2014, American Chemical Society (ACS)

    Dr Kai Xiao

  145. Understanding How Processing Additives Tune the Nanoscale Morphology of High Efficiency Organic Photovoltaic Blends: From Casting Solution to Spun‐Cast Thin Film

    Article • Advanced Functional Materials, August 2014, Wiley

    Dr Kai Xiao

  146. Pulsed Laser Deposition of Photoresponsive Two‐Dimensional GaSe Nanosheet Networks

    Article • Advanced Functional Materials, August 2014, Wiley

    Dr Kai Xiao

  147. Controlled Vapor Phase Growth of Single Crystalline, Two-Dimensional GaSe Crystals with High Photoresponse

    Article • Scientific Reports, June 2014, Springer Science + Business Media

    Dr Kai Xiao

  148. Highly sensitive phototransistors based on two-dimensional GaTe nanosheets with direct bandgap

    Article • Nano Research, April 2014, Tsinghua University Press

    Dr Kai Xiao

  149. The isotopic effects of deuteration on optoelectronic properties of conducting polymers

    Article • Nature Communications, January 2014, Springer Science + Business Media

    Dr Kai Xiao

  150. Solvent-type-dependent polymorphism and charge transport in a long fused-ring organic semiconductor

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Dr Kai Xiao

  151. Laser Interactions for the Synthesis and In Situ Diagnostics of Nanomaterials

    Article • January 2014, Springer Science + Business Media

    Dr Kai Xiao

  152. Morphological origin for the stratification of P3HT:PCBM blend film studied by neutron reflectometry

    Article • Applied Physics Letters, November 2013, American Institute of Physics

    Dr Kai Xiao

  153. High-performance polymer photovoltaics based on rationally designed fullerene acceptors

    Article • Solar Energy Materials and Solar Cells, November 2013, Elsevier

    Dr Kai Xiao

  154. Conjugated Polymer-Mediated Polymorphism of a High Performance, Small-Molecule Organic Semiconductor with Tuned Intermolecular Interactions, Enhanced Long-Range Order, and Charge Transport

    Article • Chemistry of Materials, October 2013, American Chemical Society (ACS)

    Dr Kai Xiao

  155. Synthesis of Millimeter-Size Hexagon-Shaped Graphene Single Crystals on Resolidified Copper

    Article • ACS Nano, September 2013, American Chemical Society (ACS)

    Dr Kai Xiao

  156. Highly Responsive Ultrathin GaS Nanosheet Photodetectors on Rigid and Flexible Substrates

    Article • Nano Letters, March 2013, American Chemical Society (ACS)

    Dr Kai Xiao

  157. Surface-Induced Orientation Control of CuPc Molecules for the Epitaxial Growth of Highly Ordered Organic Crystals on Graphene

    Article • Journal of the American Chemical Society, February 2013, American Chemical Society (ACS)

    Dr Kai Xiao

  158. Aromatic Polythiourea Dielectrics with Ultrahigh Breakdown Field Strength, Low Dielectric Loss, and High Electric Energy Density

    Article • Advanced Materials, January 2013, Wiley

    Dr Kai Xiao

  159. A high-K ferroelectric relaxor terpolymer as a gate dielectric for organic thin film transistors

    Article • Applied Physics Letters, January 2013, American Institute of Physics

    Dr Kai Xiao

  160. A water-soluble polythiophene for organic field-effect transistors

    Article • Polymer Chemistry, January 2013, Royal Society of Chemistry

    Dr Kai Xiao

  161. Correlation of polymeric compatibilizer structure to its impact on the morphology and function of P3HT:PCBM bulk heterojunctions

    Article • Journal of Materials Chemistry A, January 2013, Royal Society of Chemistry

    Dr Kai Xiao

  162. High-performance organic field-effect transistors with dielectric and active layers printed sequentially by ultrasonic spraying

    Article • Journal of Materials Chemistry C, January 2013, Royal Society of Chemistry

    Dr Kai Xiao

  163. Solvent quality-induced nucleation and growth of parallelepiped nanorods in dilute poly(3-hexylthiophene) (P3HT) solution and the impact on the crystalline morphology of solution-cast thin film

    Article • CrystEngComm, January 2013, Royal Society of Chemistry

    Dr Kai Xiao

  164. Aromatic Polythiourea with Ultrahigh Breakdown Strength for High Energy Density and Low Loss Capacitor Applications

    Article • MRS Proceedings, January 2013, Springer Science + Business Media

    Dr Kai Xiao

  165. The impact of controlled solvent exposure on the morphology, structure and function of bulk heterojunction solar cells

    Article • Solar Energy Materials and Solar Cells, December 2012, Elsevier

    Dr Kai Xiao

  166. Exciton–Exciton Annihilation in Copper-phthalocyanine Single-Crystal Nanowires

    Article • The Journal of Physical Chemistry C, September 2012, American Chemical Society (ACS)

    Dr Kai Xiao

  167. Synthesis of Few-Layer GaSe Nanosheets for High Performance Photodetectors

    Article • ACS Nano, June 2012, American Chemical Society (ACS)

    Dr Kai Xiao

  168. Understanding the Metal-Directed Growth of Single-Crystal M-TCNQF4 Organic Nanowires with Time-Resolved, in Situ X-ray Diffraction and First-Principles Theoretical Studies

    Article • Journal of the American Chemical Society, April 2012, American Chemical Society (ACS)

    Dr Kai Xiao

  169. Ternary behavior and systematic nanoscale manipulation of domain structures in P3HT/PCBM/P3HT-b-PEO films

    Article • Journal of Materials Chemistry, January 2012, Royal Society of Chemistry

    Dr Kai Xiao

  170. PS‐b‐P3HT Copolymers as P3HT/PCBM Interfacial Compatibilizers for High Efficiency Photovoltaics

    Article • Advanced Materials, November 2011, Wiley

    Dr Kai Xiao

  171. Enhanced Performance Consistency in Nanoparticle/TIPS Pentacene-Based Organic Thin Film Transistors

    Article • Advanced Functional Materials, July 2011, Wiley

    Dr Kai Xiao

  172. High-Performance Field-Effect Transistors Based on Polystyrene-b-Poly(3-hexylthiophene) Diblock Copolymers

    Article • ACS Nano, April 2011, American Chemical Society (ACS)

    Dr Kai Xiao

  173. Characterization and Carbonization of Highly Oriented Poly(diiododiacetylene) Nanofibers

    Article • Macromolecules, March 2011, American Chemical Society (ACS)

    Dr Kai Xiao

  174. White Light-Emitting Diodes Based on Ultrasmall CdSe Nanocrystal Electroluminescence

    Article • Nano Letters, January 2010, American Chemical Society (ACS)

    Dr Kai Xiao

  175. Metastable Copper‐Phthalocyanine Single‐Crystal Nanowires and Their Use in Fabricating High‐Performance Field‐Effect Transistors

    Article • Advanced Functional Materials, December 2009, Wiley

    Dr Kai Xiao

  176. Laser Interactions in Nanomaterials Synthesis

    Article • December 2009, Springer Science + Business Media

    Dr Kai Xiao

  177. Growth, Patterning, and One-Dimensional Electron -Transport Properties of Self-Assembled Ag-TCNQF4 Organic Nanowires

    Article • Chemistry of Materials, August 2009, American Chemical Society (ACS)

    Dr Kai Xiao

  178. Pulsed laser CVD investigations of single-wall carbon nanotube growth dynamics

    Article • Applied Physics A, December 2008, Springer Science + Business Media

    Dr Kai Xiao

  179. Fabrication of Ag-tetracyanoquinodimethane nanostructures using ink-jet printing/vapor-solid chemical reaction process

    Article • Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena, November 2008, American Vacuum Society

    Dr Kai Xiao

  180. Selective Patterned Growth of Single‐Crystal Ag–TCNQ Nanowires for Devices by Vapor–Solid Chemical Reaction

    Article • Advanced Functional Materials, October 2008, Wiley

    Dr Kai Xiao

  181. One-dimensional electron transport in Cu-tetracyanoquinodimethane organic nanowires

    Article • Applied Physics Letters, May 2007, American Institute of Physics

    Dr Kai Xiao

  182. Single‐Crystal Organic Nanowires of Copper–Tetracyanoquinodimethane: Synthesis, Patterning, Characterization, and Device Applications

    Article • Angewandte Chemie, March 2007, Wiley

    Dr Kai Xiao

  183. Directed Integration of Tetracyanoquinodimethane‐Cu Organic Nanowires into Prefabricated Device Architectures

    Article • Advanced Materials, July 2006, Wiley

    Dr Kai Xiao

  184. n-Type Field-Effect Transistors Made of an Individual Nitrogen-Doped Multiwalled Carbon Nanotube

    Article • Journal of the American Chemical Society, May 2005, American Chemical Society (ACS)

    Dr Kai Xiao