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Publications

  1. Self-Catalyzed Vapor-Liquid-Solid Growth of Lead Halide Nanowires and Conversion to Hybrid Perovskites
  2. Enhancement of Light Absorption in Silicon Nanowire Photovoltaic Devices with Dielectric and Metallic Grating Structures
  3. Mapping Free Carriers in Multijunction Silicon Nanowires Using Infrared Near-Field Optical Microscopy
  4. Nature Nanotechnology News and Views -- Optoelectronics: Letting Photons out of the Gate
  5. Encoding Highly Non-Equilibrium Boron Concentrations and Abrupt Morphology in P-Type/N-Type Silicon Nanowire Superlattices
  6. Interfacial Electron Transfer Yields in Dye-Sensitized NiO Photocathodes Correlated to Excited-State Dipole Orientation of Ruthenium Chromophores
  7. Probing Intrawire, Interwire, and Diameter-Dependent Variations in Silicon Nanowire Surface Trap Density with Pumpā€“Probe Microscopy
  8. Material Informatics Driven Design and Experimental Validation of Lead Titanate as an Aqueous Solar Photocathode
  9. Designing Morphology in Epitaxial Silicon Nanowires: The Role of Gold, Surface Chemistry, and Phosphorus Doping
  10. All-in-one Derivatized Tandem p+n-Silicon-SnO2/TiO2 Water Splitting Photoelectrochemical Cell
  11. Barrierless Switching between a Liquid and Superheated Solid Catalyst during Nanowire Growth
  12. Capillarity-Driven Welding of Semiconductor Nanowires for Crystalline and Electrically Ohmic Junctions
  13. Passivation of Nickel Vacancy Defects in Nickel Oxide Solar Cells by Targeted Atomic Deposition of Boron
  14. Chemically Engraving Semiconductor Nanowires: Using Three-Dimensional Nanoscale Morphology to Encode Functionality from the Bottom Up
  15. Site-Selective Passivation of Defects in NiO Solar Photocathodes by Targeted Atomic Deposition
  16. Understanding the Vapor-Liquid-Solid Mechanism of Si Nanowire Growth and Doping to Synthetically Encode Precise Nanoscale Morphology

  17. Designing Plasmon-Enhanced Thermochromic Films Using a Vanadium Dioxide Nanoparticle Elastomeric Composite
  18. Imaging Spatial Variations in the Dissipation and Transport of Thermal Energy within Individual Silicon Nanowires Using Ultrafast Microscopy
  19. Compositionally-Tunable Mechanochemical Synthesis of ZnxCo3-xO4 Nanoparticles for Mesoporous p-Type Photocathodes
  20. Doubling Absorption in Nanowire Solar Cells with Dielectric Shell Optical Antennas
  21. Encoding Abrupt and Uniform Dopant Profiles in Vapor-Liquid-Solid Nanowires by Suppressing the Reservoir Effect of the Liquid Catalyst
  22. Sensitized Zinc Cobalt Oxide Spinel P-type Photoelectrodes
  23. Reversible Strain-Induced Electron-Hole Recombination in Silicon Nanowires Observed with Femtosecond Pump-Probe Microscopy
  24. Waveguide Scattering Microscopy for Dark-Field Imaging and Spectroscopy of Photonic Nanostructures
  25. Hierarchically-Structured NiO Nanoplatelets as Mesoscale p-Type Photocathodes for Dye-Sensitized Solar Cells
  26. Imaging Charge Separation and Carrier Recombination in Nanowire p-i-n Junctions Using Ultrafast Microscopy
  27. Identifying Crystallization and Incorporation Limited Regimes During Vapor-Liquid-Solid Growth of Si Nanowires
  28. Ultrafast Carrier Dynamics in Individual Silicon Nanowires: Characterization of Diameter-Dependent Carrier Lifetime and Surface Recombination with Pump-Probe Microscopy
  29. Ultrafast Carrier Dynamics of Silicon Nanowire Ensembles: The Impact of Geometrical Heterogeneity on Charge Carrier Lifetime
  30. Synthetically Encoding 10-nm Morphology in Silicon Nanowires
  31. 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