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Publications

  1. Amino-deliquescence and Amino-efflorescence of Methylammonium Lead Iodide

  2. Electrostatic Tip Effects in Scanning Probe Microscopy of Nanostructures

  3. Enabling Aqueous NiO Photocathodes by Passivating Surface Sites that Facilitate Proton-Coupled Charge Transfer
  4. Organic Chromophores Designed for Hole Injection into Wide-Band-Gap Metal Oxides for Solar Fuel Applications
  5. Remote nongenetic optical modulation of neuronal activity using fuzzy graphene
  6. Abrupt degenerately-doped silicon nanowire tunnel junctions
  7. Ratcheting Quasi-ballistic Electrons in Silicon Geometric Diodes at Room Temperature
  8. Semi-transparent, Flexible, and Electrically Conductive Silicon Mesh by Capillarity-driven Welding of Vapor-liquid-solid-grown Nanowires over Large Areas
  9. Cation Effects in p-Type Dye Sensitized Solar Cells
  10. Geometric Nanophotonics: Light Management in Single Nanowires through Morphology
  11. Observation of Phonon Propagation in Germanium Nanowires Using Femtosecond Pump–Probe Microscopy
  12. Optical Bound States in the Continuum with Nanowire Geometric Superlattices
  13. Solvent-Engineered Stress in Nanoscale Materials
  14. Tuning Electroluminescence from a Plasmonic Cavity-Coupled Silicon Light Source
  15. Interplay of Surface Recombination and Diode Geometry for the Performance of Axial p-i-n Nanowire Solar Cells
  16. Mie-Coupled Bound Guided States in Nanowire Geometric Superlattices
  17. Self-Catalyzed Vapor-Liquid-Solid Growth of Lead Halide Nanowires and Conversion to Hybrid Perovskites
  18. Enhancement of Light Absorption in Silicon Nanowire Photovoltaic Devices with Dielectric and Metallic Grating Structures
  19. Mapping Free Carriers in Multijunction Silicon Nanowires Using Infrared Near-Field Optical Microscopy
  20. Nature Nanotechnology News and Views -- Optoelectronics: Letting Photons out of the Gate
  21. Encoding Highly Non-Equilibrium Boron Concentrations and Abrupt Morphology in P-Type/N-Type Silicon Nanowire Superlattices
  22. Interfacial Electron Transfer Yields in Dye-Sensitized NiO Photocathodes Correlated to Excited-State Dipole Orientation of Ruthenium Chromophores
  23. Probing Intrawire, Interwire, and Diameter-Dependent Variations in Silicon Nanowire Surface Trap Density with Pump–Probe Microscopy
  24. Material Informatics Driven Design and Experimental Validation of Lead Titanate as an Aqueous Solar Photocathode
  25. Designing Morphology in Epitaxial Silicon Nanowires: The Role of Gold, Surface Chemistry, and Phosphorus Doping
  26. All-in-one Derivatized Tandem p+n-Silicon-SnO2/TiO2 Water Splitting Photoelectrochemical Cell
  27. Barrierless Switching between a Liquid and Superheated Solid Catalyst during Nanowire Growth
  28. Capillarity-Driven Welding of Semiconductor Nanowires for Crystalline and Electrically Ohmic Junctions
  29. Passivation of Nickel Vacancy Defects in Nickel Oxide Solar Cells by Targeted Atomic Deposition of Boron
  30. Chemically Engraving Semiconductor Nanowires: Using Three-Dimensional Nanoscale Morphology to Encode Functionality from the Bottom Up
  31. Site-Selective Passivation of Defects in NiO Solar Photocathodes by Targeted Atomic Deposition
  32. Understanding the Vapor-Liquid-Solid Mechanism of Si Nanowire Growth and Doping to Synthetically Encode Precise Nanoscale Morphology

  33. Designing Plasmon-Enhanced Thermochromic Films Using a Vanadium Dioxide Nanoparticle Elastomeric Composite
  34. Imaging Spatial Variations in the Dissipation and Transport of Thermal Energy within Individual Silicon Nanowires Using Ultrafast Microscopy
  35. Compositionally-Tunable Mechanochemical Synthesis of ZnxCo3-xO4 Nanoparticles for Mesoporous p-Type Photocathodes
  36. Doubling Absorption in Nanowire Solar Cells with Dielectric Shell Optical Antennas
  37. Encoding Abrupt and Uniform Dopant Profiles in Vapor-Liquid-Solid Nanowires by Suppressing the Reservoir Effect of the Liquid Catalyst
  38. Sensitized Zinc Cobalt Oxide Spinel P-type Photoelectrodes
  39. Reversible Strain-Induced Electron-Hole Recombination in Silicon Nanowires Observed with Femtosecond Pump-Probe Microscopy
  40. Waveguide Scattering Microscopy for Dark-Field Imaging and Spectroscopy of Photonic Nanostructures
  41. Hierarchically-Structured NiO Nanoplatelets as Mesoscale p-Type Photocathodes for Dye-Sensitized Solar Cells
  42. Imaging Charge Separation and Carrier Recombination in Nanowire p-i-n Junctions Using Ultrafast Microscopy
  43. Identifying Crystallization and Incorporation Limited Regimes During Vapor-Liquid-Solid Growth of Si Nanowires
  44. Ultrafast Carrier Dynamics in Individual Silicon Nanowires: Characterization of Diameter-Dependent Carrier Lifetime and Surface Recombination with Pump-Probe Microscopy
  45. Ultrafast Carrier Dynamics of Silicon Nanowire Ensembles: The Impact of Geometrical Heterogeneity on Charge Carrier Lifetime
  46. Synthetically Encoding 10-nm Morphology in Silicon Nanowires
  47. Click here for more group publications

Funding

UNC College of Arts and Science
http://www.college.unc.edu
Packard Foundation
http://www.packard.org/
National Science Foundation (NSF)
http://www.nsf.gov
Sloan Foundation
http://www.sloan.org
Research Corporation of Science Advancement
http://www.rescorp.org/
Department of Energy (DOE)
Energy Frontier Research Center (EFRC)
http://www.efrc.unc.edu