A5053944071- 2D Materials and Applications
- Graphene research and applications
- Carbon Nanotubes in Composites
- Advanced Memory and Neural Computing
- MXene and MAX Phase Materials
- Mechanical and Optical Resonators
- Ion-surface interactions and analysis
- Electronic and Structural Properties of Oxides
- Topological Materials and Phenomena
- Inorganic Chemistry and Materials
- Diamond and Carbon-based Materials Research
- Neuroscience and Neural Engineering
- Quantum and electron transport phenomena
- Fuel Cells and Related Materials
- Conducting polymers and applications
- Force Microscopy Techniques and Applications
- Quantum Computing Algorithms and Architecture
- Iron-based superconductors research
- Supercapacitor Materials and Fabrication
- Metal and Thin Film Mechanics
- Microbial Fuel Cells and Bioremediation
- Corrosion Behavior and Inhibition
- Semiconductor materials and devices
- Nanowire Synthesis and Applications
- Photonic and Optical Devices
United States Naval Research Laboratory
2025
University of Central Florida
2016-2022
This study presents the direct measurement of proton transport along filamentous Desulfobulbaceae, or cable bacteria. Cable bacteria are multicellular microorganisms that have garnered much interest due to their ability serve as electrical conduits, transferring electrons over several millimeters. Our results indicate can also function protonic conduits because they contain wires protons at distances greater than 100 um. We find conductivity ({\sigma}P) varies between samples and is measured...
The interaction between two-dimensional crystals (2DCs) and metals is ubiquitous in 2D material research. Here we report how 2DC overlayers influence the recrystallization of relatively thick metal films subsequent synergetic benefits this provides for coupling surface plasmon-polaritons (SPPs) to photon emission semiconductors. We show that annealing 2DC/Au on SiO2 results a 'reverse epitaxial' process where initially nanocrystalline Au become highly textured close crystallographic registry...
Recent studies have shown that MoS2 can undergo a structural phase transition from the 2H to 1T' on Au substrates at moderate temperatures. Here, we use ultraviolet and x-ray photoelectron spectroscopy, Raman photoluminescence scanning tunneling microscopy/spectroscopy probe impact of annealing exfoliated, monolayer Au. Our results across multiple length scales indicate 2H-MoS2 becomes hybridized with upon thermal without inducing bandgap be modulated zero width depending degree...
Advancing electronic devices that interface with biology will require a thorough understanding of the electrochemical pathways transduce currents into ionic currents.
Abstract In order to test recently predicted ballistic nanofriction (ultra-low drag and enhanced lubricity) of gold nanocrystals on graphite at high surface speeds, we use the quartz microbalance technique measure impact deposition graphene. We analyze our measurements changes in frequency dissipation induced by using a framework developed for friction adatoms various surfaces. find lubricity graphene be even higher than that nanofriction, confirming speeds. Our complementary molecular...
We have measured the scattering strength of charged impurities on a semiconducting single-walled carbon nanotube with known chirality. The resistivity is as function density adsorbed potassium atoms, enabling determination resistance added by an individual atom. Holes are scattered 37 times more efficiently than electrons determined used to reveal spatial extent and depth potential for potassium, model Coulomb adsorbate. Our result represents essential experimental input understand...
We describe the lithographic fabrication, electrochemical characterization, and modeling of bioprotonic conduction channels, using a proof-of-concept material, chitosan, as proton-conducting film deposited onto palladium electrodes. Linear sweep voltammetry (LSV) has been used to probe both generation protons from H 2 feed gas those through channels fabricated with different molecular weights chitosan. Higher MW chitosan produces significantly higher proton conductivity. Additionally,...