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Publications

  1. Influence of Geometry on Quasi-Ballistic Behavior in Silicon Nanowire Geometric Diodes

  2. In Situ Attenuated Total Reflectance Infrared Spectroelectrochemistry (ATR-IR-SEC) for the Characterization of Molecular Redox Processes on Surface-Proximal Doped Silicon ATR Crystal Working Electrodes

  3. Water splitting with silicon p–i–n superlattices suspended in solution

  4. Synthesis and Surface Attachment of Molecular Re(I) Complexes Supported by Functionalized Bipyridyl Ligands

  5. Aqueous Photoelectrochemical CO2 Reduction to CO and Methanol over a Silicon Photocathode Functionalized with a Cobalt Phthalocyanine Molecular Catalyst

  6. Reconfigurable Complementary and Combinational Logic Based on Monolithic and Single-Crystalline Al-Si Heterostructures

  7. Monolithic and Single-Crystalline Aluminum–Silicon Heterostructures

  8. Unveiling the complex configurational landscape of the intralayer cavities in a crystalline carbon nitride

  9. Influence of Surface and Structural Variations in Donor–Acceptor–Donor Sensitizers on Photoelectrocatalytic Water Splitting

  10. Lithographically Patterning Hybrid Perovskite Single Crystals by Surface-Engineered Amino-Deliquescence/Efflorescence

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

  12. Electrostatic Tip Effects in Scanning Probe Microscopy of Nanostructures

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

  43. Designing Plasmon-Enhanced Thermochromic Films Using a Vanadium Dioxide Nanoparticle Elastomeric Composite
  44. Imaging Spatial Variations in the Dissipation and Transport of Thermal Energy within Individual Silicon Nanowires Using Ultrafast Microscopy
  45. Compositionally-Tunable Mechanochemical Synthesis of ZnxCo3-xO4 Nanoparticles for Mesoporous p-Type Photocathodes
  46. Doubling Absorption in Nanowire Solar Cells with Dielectric Shell Optical Antennas
  47. Encoding Abrupt and Uniform Dopant Profiles in Vapor-Liquid-Solid Nanowires by Suppressing the Reservoir Effect of the Liquid Catalyst
  48. Sensitized Zinc Cobalt Oxide Spinel P-type Photoelectrodes
  49. Reversible Strain-Induced Electron-Hole Recombination in Silicon Nanowires Observed with Femtosecond Pump-Probe Microscopy
  50. Waveguide Scattering Microscopy for Dark-Field Imaging and Spectroscopy of Photonic Nanostructures
  51. Hierarchically-Structured NiO Nanoplatelets as Mesoscale p-Type Photocathodes for Dye-Sensitized Solar Cells
  52. Imaging Charge Separation and Carrier Recombination in Nanowire p-i-n Junctions Using Ultrafast Microscopy
  53. Identifying Crystallization and Incorporation Limited Regimes During Vapor-Liquid-Solid Growth of Si Nanowires
  54. Ultrafast Carrier Dynamics in Individual Silicon Nanowires: Characterization of Diameter-Dependent Carrier Lifetime and Surface Recombination with Pump-Probe Microscopy
  55. Ultrafast Carrier Dynamics of Silicon Nanowire Ensembles: The Impact of Geometrical Heterogeneity on Charge Carrier Lifetime
  56. Synthetically Encoding 10-nm Morphology in Silicon Nanowires
  57. 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)
CHASE
http://www.solarhub.unc.edu