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Ballistic carbon nanotube field-effect transistors
It is shown that contacting semiconducting single-walled nanotubes by palladium, a noble metal with high work function and good wetting interactions with nanotube, greatly reduces or eliminates the barriers for transport through the valence band of nanot tubes.
Crystalline Ropes of Metallic Carbon Nanotubes
X-ray diffraction and electron microscopy showed that fullerene single-wall nanotubes (SWNTs) are nearly uniform in diameter and that they self-organize into “ropes,” which consist of 100 to 500 SWNTs in a two-dimensional triangular lattice with a lattice constant of 17 angstroms.
Chemically Derived, Ultrasmooth Graphene Nanoribbon Semiconductors
We developed a chemical route to produce graphene nanoribbons (GNR) with width below 10 nanometers, as well as single ribbons with varying widths along their lengths or containing lattice-defined…
Thermal conductance of an individual single-wall carbon nanotube above room temperature.
This work discusses sources of uncertainty and proposes a simple analytical model for the SWNT thermal conductivity including length and temperature dependence, which is attributed to second-order three-phonon scattering between two acoustic modes and one optical mode.
PEGylated nanographene oxide for delivery of water-insoluble cancer drugs.
- Zhuang Liu, J. Robinson, Xiaoming Sun, H. Dai
- Chemistry, BiologyJournal of the American Chemical Society
- 29 July 2008
The results showed that graphene is a novel class of material promising for biological applications including future in vivo cancer treatment with various aromatic, low-solubility drugs.
Carbon nanotubes: opportunities and challenges
- H. Dai
- Materials Science
- 10 March 2002
Nano-graphene oxide for cellular imaging and drug delivery
It is found that simple physisorption via π-stacking can be used for loading doxorubicin, a widely used cancer drug onto NGO functionalized with antibody for selective killing of cancer cells in vitro.
Self-Aligned Ballistic Molecular Transistors and Electrically Parallel Nanotube Arrays
Carbon nanotube field-effect transistors with structures and properties near the scaling limit with short (down to 50 nm) channels, self-aligned geometries, palladium electrodes with low contact…
Drug delivery with carbon nanotubes for in vivo cancer treatment.
In vivo SWNT drug delivery for tumor suppression in mice shows nanotube drug delivery is promising for high treatment efficacy and minimum side effects for future cancer therapy with low drug doses.
Ultrasmall reduced graphene oxide with high near-infrared absorbance for photothermal therapy.
- J. Robinson, Scott M. Tabakman, H. Dai
- Biology, EngineeringJournal of the American Chemical Society
- 8 April 2011
Nano-rGO is established as a novel photothermal agent due to its small size, high photothermal efficiency, and low cost as compared to other NIR photothermal agents including gold nanomaterials and carbon nanotubes.