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Patterned Multiplex Pathogen DNA Detection by Au Particle-on-Wire SERS Sensor
A Au particle-on-wire system that can be used as a specific, sensitive, and multiplex DNA sensor is developed. A pattern formed by multiple Au nanowire sensors provides... -
Spatial Distribution of Defect Luminescence in GaN Nanowires
The spatial distribution of defect-related and band-edge luminescence from GaN nanowires grown by metal−organic chemical vapor deposition was studied by spatially resolved... -
Effect of Spatial Charge Inhomogeneity on 1/f Noise Behavior in Graphene
Scattering mechanisms in graphene are critical to understanding the limits of signal-to-noise-ratios of unsuspended graphene devices. Here we present the four-probe low... -
ZnO Tetrapods Designed as Multiterminal Sensors to Distinguish False Response...
Individual zinc oxide tetrapods were designed as multiterminal sensors by the e-beam lithography method. Different from double-terminal sensors, these sensors can give multiple... -
A Multi-Wall Carbon Nanotube Tower Electrochemical Actuator
Patterned multiwall carbon nanotube arrays up to four millimeters long were synthesized using chemical vapor deposition. Electrochemical actuation of a nanotube array tower was... -
Dynamics of paramagnetic metallofullerenes in carbon nanotube peapods.
We filled SWNTs with the paramagnetic fullerene Sc@C82 to form peapods. The interfullerene 1D packing distance measured using TEM is d = 1.1 ± 0.02 nm. The Sc@C82 in SWNT... -
Tough Nanocomposites: The Role of Carbon Nanotube Type
Unusually large deformation is observed in poly(methyl metacrylate) (PMMA) electrospun fibers under tension when multiwall or single-wall carbon nanotubes (MWCNTs and SWCNTs)... -
Mesoporous Bragg Stack Color Tunable Sensors
Herein we report a novel self-assembly synthesis, structural and optical characterization of mesoporous Bragg stacks (MBS) composed of spin-coated multilayer stacks of... -
Anisotropic Etching and Nanoribbon Formation in Single-Layer Graphene
We demonstrate anisotropic etching of single-layer graphene by thermally-activated nickel nanoparticles. Using this technique, we obtain sub-10nm nanoribbons and other graphene... -
Reversible Metal-Semiconductor Transition of ssDNA-Decorated Single-Walled Ca...
A field effect transistor (FET) measurement of a SWNT shows a transition from a metallic one to a p-type semiconductor after helical wrapping of DNA. Water is found to be... -
Defect-Induced Atomic Migration in Carbon Nanopeapod: Tracking the Single-At...
We demonstrate here the single-atom migration of Tb, Gd, or Ce metal from cage to cage through an intentionally induced atomic path within a carbon nanopeapod. The atomic path... -
Coherent coupling between surface plasmons and excitons in semiconductor nano...
We present an experimental demonstration of strong coupling between a surface plasmon propagating on a planar silver substrate, and the lowest excited state of CdSe... -
Ionic Screening of Charged-Impurity Scattering in Graphene
We have studied the ionic screening effect on the charge transport properties of graphene field effect transistors. By increasing the ionic concentration, we found dramatic... -
Contact Geometry and Conductance of Crossed Nanotube Junctions under Pressure
We explored the relative stability, structure, and conductance of crossed nanotube junctions with dispersion corrected density functional theory. We found that the most stable... -
Photoinduced Charge Transfer and Efficient Solar Energy Conversion in a Blend...
We present measurements of charge transfer and the photovoltaic effect in a blend of the alternating polyfluorene copolymer... -
Carbon Nanotubes as Injection Electrodes for Organic Thin Film Transistors
We have investigated the charge injection efficiency of carbon nanotube electrodes for organic semiconducting layers and compared their performance to that of traditional noble... -
Suppression of Auger Processes in Confined Structures
We explore how the size and shape of the microscopic confinement potential affects the nonradiative Auger decay rate of confined carriers. Calculations conducted in the... -
Piezoelectric Ribbons Printed onto Rubber for Flexible Energy Conversion
The development of a method for integrating highly efficient energy conversion materials onto stretchable, biocompatible rubbers could yield breakthroughs in implantable or... -
Thickness-Dependent Thermal Conductivity of Encased Graphene and Ultrathin Gr...
The thermal conductivity of graphene and ultrathin graphite (thickness from 1 to ∼20 layers) encased within silicon dioxide was measured using a heat spreader method. The... -
Cross-Talk between Lung and Systemic Circulation during Carbon Nanotube Respi...
Nanotechnology is an emerging field that demands urgent development of adequate toxicology and risk assessment. The previous experimental data on carbon nanotube respiratory...
