Simultaneous Nitrogen-Doping and Reduction of Graphene Oxide (2009)
Li, Xiaolin, Wang, Hailiang, Robinson, Joshua T., Sanchez, Hernan, Diankov, Georgi, Dai, Hongjie
We develop a simple chemical method to obtain bulk quantities of N-doped, reduced graphene oxide (GO) sheets through thermal annealing of GO in ammonia. X-ray photoelectron spectroscopy (XPS) study...
Supramolecular Stacking of Doxorubicin on Carbon Nanotubes for in vivo Cancer Therapy (2009)
Liu, Zhuang, Fan, Alice C., Rakhra, Kavya, Sherlock, Sarah, Goodwin, Andrew, Chen, Xiaoyuan, ...
Many therapeutic advantages such as prolonged circulation in the blood, increased tumor drug uptake, enhanced therapeutic efficacy, and markedly reduced toxic side effects are provided by a carbon...
Preparation of Carbon Nanotube Bioconjugates for Biomedical Applications (2009)
Liu, Zhuang, Tabakman, Scott, Chen, Zhuo, Dai, Hongjie
Biomedical applications of carbon nanotubes have attracted much attention in recent years. Here, we summarize our previously developed protocols for functionalization and bioconjugation of single...
Kundhikanjana, Worasom, Lai, Keji, Wang, Hailiang, Dai, Hongjie, Kelly, Michael A., Shen, Zhi-xun
Local electrical imaging using microwave impedance microscope is performed on graphene in different modalities, yielding a rich hierarchy of the local conductivity. The low-conductivity graphite...
Solvothermal Reduction of Chemically Exfoliated Graphene Sheets (2009)
Wang, Hailiang, Robinson, Joshua Tucker, Li, Xiaolin, Dai, Hongjie
Graphene has attracted much attention due to its interesting properties and potential applications. Chemical exfoliation methods have been developed to make graphene recently, aimed at large-scale...
Chemical Self Assembly of Graphene Sheets (2009)
Wang, Hailiang, Wang, Xinran, Li, Xiaolin, Dai, Hongjie
Chemically derived graphene sheets were found to self-assemble onto patterned gold structures via electrostatic interactions between noncovalent functional groups on GS and gold. This afforded...
Chemical self-assembly of graphene sheets (2009)
Wang, Hailiang, Wang, Xinran, Li, Xiaolin, Dai, Hongjie
Chemically derived and noncovalently functionalized graphene sheets (GS) were found to self-assemble onto patterned gold structures via electrostatic interactions between the functional groups and...
Goodwin, Andrew P., Tabakman, Scott M., Welsher, Kevin, Sherlock, Sarah P., Prencipe, Giuseppe, Dai, Hongjie
Nanomaterials hold much promise for biological applications, but they require appropriate functionalization to provide biocompatibility in biological environments. For non-covalent functionalization...
PEG Branched Polymer for Functionalization of Nanomaterials with Ultralong Blood Circulation (2009)
Prencipe, Giuseppe, Tabakman, Scott M., Welsher, Kevin, Liu, Zhuang, Goodwin, Andrew P., Zhang, Li, ...
Nanomaterials have been actively pursued for biological and medical applications in recent years. Here, we report the synthesis of several new poly(ethylene glycol) grafted branched-polymers for...
Zhang, Li, Tu, Xiaomin, Welsher, Kevin, Wang, Xinran, Zheng, Ming, Dai, Hongjie
It remains an elusive goal to achieve high performance single-walled carbon nanotube (SWNTs) field effect transistors (FETs) comprised of only single chirality SWNTs. Many separation mechanisms have...
7 T MRI of macrophages in mouse carotid atherosclerosis using novel nanoparticle platforms (2009)
Kosuge, Hisanori, Terashima, Masahiro, Uchida, Masaki, Sherlock, Sarah, Tsao, Philip S, Young, Mark J, ...
No abstract available.
Liu, Zhuang, Tabakman, Scott, Welsher, Kevin, Dai, Hongjie
Carbon nanotubes exhibit many unique intrinsic physical and chemical properties and have been intensively explored for biological and biomedical applications. In this review, we summarize the main...
Monolithic Integration of Carbon Nanotube Devices with Silicon (2008)
Yu-chih Tseng, Peiqi Xuan, Ali Javey, Ryan Malloy, Qian Wang, Jeffrey Bokor, ...
An integrated circuit combining single-walled carbon nanotube (SWNT) devices with n-channel metal oxide semiconductor (NMOS) field effect transistors was fabricated. SWNTs were grown, using chemical...
Protein Microarrays with Carbon Nanotubes as Multi-Color Raman Labels (2008)
Chen, Zhuo, Tabakman, Scott M., Goodwin, Andrew P., Kattah, Michael G., Daranciang, Dan, Wang, Xinran, ...
Detection of biomolecules is important in proteomics and clinical diagnosis and treatment of diseases. Here, we apply functionalized, macromolecular, single walled carbon nanotubes SWNTs as...
Kosuge, Hisanori, Terashima, Masahiro, Sherlock, Sarah, Lee, Jin, Dai, Hongjie, McConnell, Michael V
No abstract available.
Liu, Zhuang, Li, Xiaolin, Tabakman, Scott M., Jiang, Kaili, Fan, Shoushan, Dai, Hongjie
We show that single walled carbon nanotubes with different isotope compositions exhibit distinct Raman Gband peaks and can be used for multiplexed multi-color Raman imaging of biological systems....
Nano-Graphene Oxide for Cellular Imaging and Drug Delivery (2008)
Sun, Xiaoming, Liu, Zhuang, Welsher, Kevin, Robinson, Joshua Tucker, Goodwin, Andrew, Zaric, Sasa, ...
Two-dimensional graphene offers interesting electronic, thermal and mechanical properties that are currently explored for advanced electronics, membranes and composites. Here we synthesize and...
Drug delivery with carbon nanotubes for in vivo cancer treatment (2008)
Liu, Zhuang, Chen, Kai, Davis, Corrine, Sherlock, Sarah, Cao, Qizhen, Chen, Xiaoyuan, ...
Chemically functionalized single-walled carbon nanotubes (SWNTs) have shown promise in tumor targeted accumulation in mice and exhibit biocompatibility, excretion and little toxicity. Here, we...
Highly Conducting Graphene Sheets and Langmuir-Blodgett Films (2008)
Li, Xiaolin, Zhang, Guangyu, Bai, Xuedong, Sun, Xiaoming, Wang, Xinran, Wang, Enge, ...
Graphene is an intriguing material with properties that are distinct from those of other graphitic systems. The first samples of pristine graphene were obtained by peeling off and epitaxial growth....
PEGylated Nano-Graphene Oxide for Delivery of Water Insoluble Cancer Drugs (2008)
Liu, Zhuang, Robinson, Joshua T., Sun, Xiaoming, Dai, Hongjie
It is known that many potent, often aromatic drugs are water insoluble, which has hampered their use for disease treatment. In this work, we functionalized nano-graphene oxide (NGO), a novel...
Atomic Layer Deposition of Metal Oxides on Pristine and Functionalized Graphene (2008)
Wang, Xinran, Tabakman, Scott, Dai, Hongjie
We investigate Atomic Layer Deposition (ALD) of metal oxide on pristine and functionalized graphene. On pristine graphene, ALD coating can only actively grow on edges and defect sites, where dangling...
Room-temperature all-semiconducting sub-10-nm graphene nanoribbon field-effect transistors (2008)
Wang, Xinran, Ouyang, Yijian, Li, Xiaolin, Wang, Hailiang, Guo, Jing, Dai, Hongjie
Sub-10 nm wide graphene nanoribbon field-effect transistors (GNRFETs) are studied systematically. All sub-10 nm GNRs afforded semiconducting FETs without exception, with I-on/I-off ratio up to 10(6)...
Sun, Xiaoming, Zaric, Sasa, Daranciang, Dan, Welsher, Kevin, Lu, Yuerui, Li, Xiaolin, ...
Single-walled carbon nanotubes (SWNTs) are typically long (greater than or similar to 100 nm) and have been well established as novel quasi one-dimensional systems with interesting electrical,...
Sun, Xiaoming, Zaric, Sasa, Daranciang, Dan, Welsher, Kevin, Lu, Yuerui, Li, Xiaolin, ...
Single-walled carbon nanotubes (SWNTs) are typically long (>100 nm) and have been well established as novel quasi one-dimensional systems with interesting electrical, mechanical, and optical...
Room Temperature All Semiconducting sub-10nm Graphene Nanoribbon Field-Effect Transistors (2008)
Wang, Xinran, Ouyang, Yijian, Li, Xiaolin, Wang, Hailiang, Guo, Jing, Dai, Hongjie
Sub-10nm wide graphene nanoribbon field-effect transistors (GNRFETs) are studied systematically. All sub-10nm GNRs afforded semiconducting FETs without exception, with Ion/Ioff ratio up to 10^6 and...
Assessment of chemically separated carbon nanotubes for nanoelectronics (2008)
Zhang, Li, Zaric, Sasa, Tu, Xiaomin, Wang, Xinran, Zhao, Wei, Dai, Hongjie
It remains an elusive goal to obtain high performance single-walled carbon-nanotube (SWNT) electronics such as field effect transistors (FETs) composed of single- or few-chirality SWNTs, due to broad...
Hydrogen storage in carbon nanotubes through the formation of stable C-H bonds (2008)
Nikitin, Anton, Li, Xiaolin, Zhang, Zhiyong, Ogasawara, Hirohito, Dai, Hongjie, Nilsson, Anders
To determine if carbon-based materials can be used for hydrogen storage, we have studied hydrogen chemisorption in single-walled carbon nanotubes. Using atomic hydrogen as the hydrogenation agent, we...
Liu, Zhuang, Davis, Corrine, Cai, Weibo, He, Lina, Chen, Xiaoyuan, Dai, Hongjie
Carbon nanotubes are promising new materials for molecular delivery in biological systems. The long-term fate of nanotubes intravenously injected into animals in vivo is currently unknown, an issue...
Li, Xiaolin, Tu, Xiaomin, Zaric, Sasa, Welsher, Kevin, Seo, Won Seok, Zhao, Wei, ...
Single-walled carbon nanotubes (SWNTs) are potential materials for future nanoelectronics. Since the electronic and optical properties of SWNTs strongly depend on tube diameter and chirality,...
Supramolecular chemistry on water-soluble carbon nanotubes for drug loading and delivery (2007)
Liu, Zhuang, Sun, Xiaoming, Nakayama-Ratchford, Nozomi, Dai, Hongjie
We show that large surface areas exist for supramolecular chemistry on single-walled carbon nanotubes (SWNTs) prefunctionalized noncovalently or covalently by common surfactant or acid-oxidation...
Quantum Capacitance Spectroscopy of Single Nanotube Molecules (2007)
Lu, Yuerui, Tu, Ryan, Wang, Xinran, Nishi, Yoshio, Dai, Hongjie
some errors in equations
Feazell, Rodney P., Nakayama-Ratchford, Nozomi, Dai, Hongjie, Lippard, Stephen J.
Amine-functionalized soluble single-walled carbon nanotubes (SWNTs) were derivatized with cisplatin prodrug conjugates as a delivery system by which to internalize multiple prodrug centers. The...
Tu, Ryan, Zhang, Li, Nishi, Yoshio, Dai, Hongjie
Capacitance-voltage characteristics of individual germanium nanowire field effect transistors were directly measured and used to assess carrier mobility in nanowires for the first time; thereby...
Pop, Eric, Mann, David A., Goodson, Kenneth E., Dai, Hongjie
We analyze transport in metallic single-wall carbon nanotubes (SWCNTs) on insulating substrates over the bias range up to electrical breakdown in air. To account for Joule self-heating, a...
Moment switching in nanotube magnetic force probes (2007)
Kirtley, John R., Deng, Zhifeng, Luan, Lan, Yenilmez, Erhan, Dai, Hongjie, Moler, Kathryn A.
A recent advance in improving the spatial resolution of magnetic force microscopy (MFM) uses as sensor tips carbon nanotubes grown at the apex of conventional silicon cantilever pyramids and coated...
Li, Xiaolin, Zhang, Li, Wang, Xinran, Shimoyama, Iwao, Sun, Xiaoming, Seo, Won-Seok, ...
Single walled carbon nanotubes exhibit advanced electrical and surface properties useful for high performance nanoelectronics. Important to future manufacturing of nanotube circuits is large scale...
Li, Xiaolin, Zhang, Li, Wang, Xinran, Shimoyama, Iwao, Sun, Xiaoming, Seo, Won-Seok, ...
Single-walled carbon nanotubes (SWNTs) exhibit advanced electrical and surface properties useful for high performance nanoelectronics. Important to future manufacturing of nanotube circuits is a...
Nakayama-Ratchford, Nozomi, Bangsaruntip, Sarunya, Sun, Xiaoming, Welsher, Kevin, Dai, Hongjie
We report the use of fluorescein-polyethylene glycol (Fluor-PEG) to noncovalently functionalize single-walled carbon nanotubes (SWNTs) for obtaining water-soluble nanotube conjugates (Fluor-PEG/SWNT)...
Electrically driven thermal light emission from individual single-walled carbon nanotubes (2007)
Mann, David, Kato, Y. K., Kinkhabwala, Anika, Pop, Eric, Cao, Jien, Wang, Xinran, ...
Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional (1D) metals or semiconductors, in which large...
Electrically driven thermal light emission from individual single-walled carbon nanotubes (2007)
Mann, David, Kato, Y. K., Kinkhabwala, Anika, Pop, Eric, Cao, Jien, Wang, Xinran, ...
Light emission from nanostructures exhibits rich quantum effects and has broad applications. Single-walled carbon nanotubes (SWNTs) are one-dimensional metals or semiconductors in which large numbers...
Zhang, Li, Tu, Ryan, Dai, Hongjie
Core-shell germanium nanowire (GeNW) is formed with a single-crystalline Ge core and concentric shells of nitride and silicon passivation layer by chemical vapor deposition (CVD), an Al2O3 gate...
Hydrogenation and Hydro-Carbonation and Etching of Single-Walled Carbon Nanotubes (2006)
Zhang, Guangyu, Qi, Pengfei, Wang, Xinran, Lu, Yuerui, Mann, David, Li, Xiaolin, ...
We present a systematic experimental investigation of the reactions between hydrogen plasma and single-walled carbon nanotubes (SWNTs) at various temperatures. Microscopy, infrared (IR) and Raman...
Kim, Na Young, Recher, Patrik, Oliver, William D., Yamamoto, Yoshihisa, Kong, Jing, Dai, Hongjie
We study the electrical transport properties of well-contacted ballistic single-walled carbon nanotubes in a three-terminal configuration at low temperatures. We observe signatures of strong...
Neural stimulation with a carbon nanotube microelectrode array (2006)
Wang, Ke, Fishman, Harvey A., Dai, Hongjie, Harris, James S.
We present a novel prototype neural interface using vertically aligned multiwalled carbon nanotube ( CNT) pillars as microelectrodes. Functionalized hydrophilic CNT microelectrodes offer a high...
Pop, Eric, Mann, David, Goodson, Kenneth, Dai, Hongjie
We analyze transport in metallic single-wall carbon nanotubes (SWNTs) on insulating substrates over the bias range up to electrical breakdown in air. To account for Joule self-heating, a...
Pop, Eric, Mann, David, Reifenberg, John, Goodson, Kenneth, Dai, Hongjie
This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is...
Lu, Yuerui, Bangsaruntip, Sarunya, Wang, Xinran, Zhang, Li, Nishi, Yoshio, Dai, Hongjie
For single-walled carbon nanotube (SWNT) field effect transistors, vertical scaling of high k dielectrics by atomic layer deposition (ALD) currently stands at ~8nm with subthreshold swing S~70-90...
Thermally and Molecularly Stimulated Relaxation of Hot Phonons in Suspended Carbon Nanotubes (2006)
Mann, David, Pop, Eric, Cao, Jien, Wang, Qian, Goodson, Kenneth, Dai, Hongjie
The high-bias electrical transport properties of suspended metallic single-walled carbon nanotubes (SWNTs) are investigated at various temperatures in vacuum, in various gases and when coated with...
Thermal conductance of an individual single-wall carbon nanotube above room temperature (2006)
Pop, E, Mann, D, Wang, Q, Goodson, Kenneth E., Dai, Hongjie
The thermal properties of a suspended metallic single-wall carbon nanotube (SWNT) are extracted from its high-bias (l-V) electrical characteristics over the 300-800 K temperature range, achieved by...
Direct formation of iron phosphate nanoparticles on solid substrates with a narrow size distribution (average diameter = 2.2 nm) has been achieved by a simple spontaneous reaction of ferric chloride...
Thermal Conductance of an Individual Single-Wall Carbon Nanotube above Room Temperature (2005)
Pop, Eric, Mann, David, Wang, Qian, Goodson, Kenneth, Dai, Hongjie
The thermal properties of a suspended metallic single-wall carbon nanotube (SWNT) are extracted from its high-bias (I-V) electrical characteristics over the 300-800 K temperature range, achieved by...
Zhang, Guangyu, Mann, David, Zhang, Li, Javey, Ali, Li, Yiming, Yenilmez, Erhan, ...
An oxygen assisted hydrocarbon chemical vapor deposition (CVD) method is developed to afford large-scale highly reproducible ultra high-yield growth of vertical single-walled carbon nanotubes (SWNT)....
Hydrogenation of single-walled carbon nanotubes (2005)
Nikitin, Anton, Ogasawara, Hirohito, Mann, David, Denecke, Reinhard, Zhang, Zhiyong, Dai, Hongjie, ...
Towards the development of a useful mechanism for hydrogen storage, we have studied the hydrogenation of single-walled carbon nanotubes with atomic hydrogen using core-level photoelectron...
Electron Transport in Very Clean, As-Grown Suspended Carbon Nanotubes (2005)
Cao, Jien, Wang, Qian, Dai, Hongjie
Single walled carbon nanotubes (SWNT) have displayed a wealth of quantum transport phenomena thus far. Defect free, unperturbed SWNTs with wellbehaved or tunable metal contacts are important to...
Kam, Nadine Wong Shi, O'Connell, Michael, Wisdom, Jeffrey A., Dai, Hongjie
Biological systems are known to be highly transparent to 700-1100nm near-infrared (NIR) light. It is shown here that the strong optical absorbance of single-walled carbon nanotubes (SWNTs) in this...
Deterministic Synthesis of Carbon Nanotubes (2005)
A novel method is developed to enable the formation, positioning and patterning of individual metal nano-clusters with controllable and monodispersed sizes down to 1-2 nm-scale. Among wide range of...
Mann, David, Pop, Eric, Cao, Jien, Wang, Qian, Goodson, Kenneth, Dai, Hongjie
High bias electrical transport characteristics of freely suspended metallic single-walled carbon nanotubes (SWNTs) are investigated at 250-400K in vacuum and various gases. Self-heating is exploited...
Wang, Dunwei, Chang, Ying-Lan, Liu, Zhuang, Dai, Hongjie
A simple method is developed to synthesize gram quantities of uniform Ge nanowires (GeNWs) by chemical vapor deposition on preformed, monodispersed seed-particles loaded onto high surface area silica...
Negative Differential Conductance and Hot Phonons in Suspended Nanotube Molecular Wires (2005)
Pop, Eric, Mann, David, Cao, Jien, Wang, Qian, Goodson, Kenneth, Dai, Hongjie
Freely suspended metallic single-wall carbon nanotubes (SWNTs) exhibit reduced current carrying ability compared to those lying on substrates, and striking negative differential conductance (NDC) at...
Electrical Contacts to Carbon Nanotubes Down to 1nm in Diameter (2005)
Kim, Woong, Javey, Ali, Tu, Ryan, Cao, Jien, Wang, Qian, Dai, Hongjie
Rhodium (Rh) is found similar to Palladium (Pd) in making near-ohmic electrical contacts to single-walled carbon nanotubes (SWNTs) with diameters d > ~ 1.6 nm. Non-negligible positive Schottky...
Wang, Dunwei, Tu, Ryan, Zhang, Li, Dai, Hongjie
It is demonstrated by the current work controlled one-to-one synthesis of Ge nanowires (GeNWs) with ~100% yield from Au seed particles. The optimum GeNW growth conditions are found to be size...
Kam, Nadine Wong Shi, Dai, Hongjie
Various proteins adsorb spontaneously on the sidewalls of acid-oxidized single-walled carbon nanotubes. This simple non-specific binding scheme can be used to afford non-covalent protein-nanotube...
Javey, Ali, Tu, Ryan, Farmer, Damon, Guo, Jing, Gordon, Roy, Dai, Hongjie
Short channel (~80 nm) n-type single-walled carbon nanotube (SWNT) field-effect transistors (FETs) with potassium (K) doped source and drain regions and high-k gate dielectrics (ALD HfO2) are...
Metal-coated carbon nanotube tips for Magnetic Force Microscopy (2004)
Deng, Zhifeng, Yenilmez, Erhan, Leu, Josh, Hoffman, J. E., Straver, Eric, Dai, Hongjie, ...
We fabricated cantilevers for magnetic force microscopy with carbon nanotube tips coated with magnetic material. Images of a custom hard drive demonstrated 20 nm lateral resolution, with prospects...
On the Origin of Preferential Growth of Semiconducting Single-Walled Carbon Nanotubes (2004)
Li, Yiming, Peng, Shu, Mann, David, Cao, Jien, Tu, Ryan, Cho, K. J., ...
A correlation is observed between the diameter (d) distribution of single walled carbon nanotubes and the percentages of metallic and semiconducting tubes in materials synthesized at low temperature...
10 to 50 nm Long Quasi Ballistic Carbon Nanotube Devices Obtained Without Complex Lithography (2004)
Javey, Ali, Qi, Pengfei, Wang, Qian, Dai, Hongjie
A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths L~10-50 nm between metal...
Miniature Organic Transistors With Carbon Nanotubes as Quasi-One Dimensional Electrodes (2004)
Qi, Pengfei, Javey, Ali, Rolandi, Marco, Wang, Qian, Yenilmez, Erhan, Dai, Hongjie
As the dimensions of electronic devices approach those of molecules, the size, geometry and chemical composition of the contact electrodes play increasingly dominant roles in device functions. It is...
The Aharonov-Bohm Interference and Beating in Single-Walled Carbon Nanotube Interferometers (2004)
Cao, Jien, Wang, Qian, Rolandi, Marco, Dai, Hongjie
Relatively low magnetic fields applied parallel to the axis of a chiral single-walled carbon nanotube are found causing large modulations to the p-channel or valence band conductance of the nanotube...
Surface Chemistry and Electrical Properties of Germanium Nanowires (2004)
Wang, Dunwei, Chang, Ying-Lan, Wang, Qian, Cao, Jien, Farmer, Damon, Gordon, Roy, ...
Germanium nanowires with p- and n-dopants were synthesized by chemical vapor deposition and used to construct complementary field effect transistors . Electrical transport and x-ray photoelectron...
Self-Aligned Ballistic Molecular Transistors and Electrically Parallel Nanotube Arrays (2004)
Javey, Ali, Guo, Jing, Farmer, Damon B., Wang, Qian, Yenilmez, Erhan, Gordon, Roy G., ...
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...
Advancements in Complementary Carbon Nanotube Field-Effect Transistors (2004)
Javey, Ali, Wang, Qian, Kim, Woong, Dai, Hongjie
High performance p- and n-type single-walled carbon nanotube (SWNT) field-effect transistors (FETs) are obtained by using high and low work function metals, Pd and Al as source/drain (S/D) electrodes...
Javey, Ali, Guo, Jing, Farmer, Damon B., Wang, Qian, Wang, Dunwei, Gordon, Roy G., ...
High performance enhancement mode semiconducting carbon nanotube field-effect transistors (CNTFETs) are obtained by combining ohmic metal-tube contacts, high dielectric constant HfO2 films as gate...
Suspended Carbon Nanotube Quantum Wires with Two Gates (2003)
Cao, Jien, Wang, Qian, Wang, Dunwei, Dai, Hongjie
Suspended single-walled carbon nanotube devices comprised of high quality electrical contacts and two electrostatic gates per device are obtained. Compared to nanotubes pinned on substrates, the...
High-Field, Quasi-Ballistic Transport in Short Carbon Nanotubes (2003)
Javey, Ali, Guo, Jing, Paulsson, Magnus, Wang, Qian, Mann, David, Lundstrom, Mark, ...
Single walled carbon nanotubes with Pd ohmic contacts and lengths ranging from several microns down to 10 nm are investigated by electron transport experiments and theory. The mean free path (mfp)...
Ballistic Transport in Metallic Nanotubes With Reliable Pd Ohmic Contacts (2003)
Mann, David, Javey, Ali, Kong, Jing, Wang, Qian, Dai, Hongjie
Contacting metallic single-walled carbon nanotubes by palladium (Pd) affords highly reproducible ohmic contacts and allows for detailed elucidation of ballistic transport in metallic nanotubes. The...
Guo, Jing, Javey, Ali, Dai, Hongjie, Datta, Supriyo, Lundstrom, Mark
Most carbon nanotube field-effect transistors (CNTFETs) directly attach metal source/drain contacts to an intrinsic nanotube channel. When the gate oxide thickness is reduced, such transistors...
Quantum Interference and Ballistic Transmission in Nanotube Electron Waveguides (2001)
Dai, Hongjie, Kim, Woong, Kong, Jing, Tombler, Thomas W., Yenilmez, Erhan
Coulomb Gap and Correlated Vortex Pinning in Superconductors (1994)
Täuber, Uwe C., Dai, Hongjie, Nelson, David R., Lieber, Charles M.
The positions of columnar pins and magnetic flux lines determined from a decoration experiment on BSCCO were used to calculate the single--particle density of states at low temperatures in the Bose...
Thesis (Ph. D.)--Harvard University, 1994.
Noncovalent functionalization of carbon nanotubes for highly specific electronic biosensors
Chen, Robert J., Bangsaruntip, Sarunya, Drouvalakis, Katerina A., Wong Shi Kam, Nadine, Shim, Moonsub, Li, Yiming, ...
Novel nanomaterials for bioassay applications represent a rapidly progressing field of nanotechnology and nanobiotechnology. Here, we present an exploration of single-walled carbon nanotubes as a...
Ten- to 50-nm-long quasi-ballistic carbon nanotube devices obtained without complex lithography
Javey, Ali, Qi, Pengfei, Wang, Qian, Dai, Hongjie
A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths of ≈10–50 nm between metal...
Kam, Nadine Wong Shi, O'Connell, Michael, Wisdom, Jeffrey A., Dai, Hongjie
Biological systems are known to be highly transparent to 700- to 1,100-nm near-infrared (NIR) light. It is shown here that the strong optical absorbance of single-walled carbon nanotubes (SWNTs) in...
Zhang, Guangyu, Mann, David, Zhang, Li, Javey, Ali, Li, Yiming, Yenilmez, Erhan, ...
An oxygen-assisted hydrocarbon chemical vapor deposition method is developed to afford large-scale, highly reproducible, ultra-high-yield growth of vertical single-walled carbon nanotubes (V-SWNTs)....
Noncovalent functionalization of carbon nanotubes for highly specific electronic biosensors
Chen, Robert J., Bangsaruntip, Sarunya, Drouvalakis, Katerina A., Wong Shi Kam, Nadine, Shim, Moonsub, Li, Yiming, ...
Novel nanomaterials for bioassay applications represent a rapidly progressing field of nanotechnology and nanobiotechnology. Here, we present an exploration of single-walled carbon nanotubes as a...
Ten- to 50-nm-long quasi-ballistic carbon nanotube devices obtained without complex lithography
Javey, Ali, Qi, Pengfei, Wang, Qian, Dai, Hongjie
A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths of ≈10–50 nm between metal...
Kam, Nadine Wong Shi, O'Connell, Michael, Wisdom, Jeffrey A., Dai, Hongjie
Biological systems are known to be highly transparent to 700- to 1,100-nm near-infrared (NIR) light. It is shown here that the strong optical absorbance of single-walled carbon nanotubes (SWNTs) in...
Zhang, Guangyu, Mann, David, Zhang, Li, Javey, Ali, Li, Yiming, Yenilmez, Erhan, ...
An oxygen-assisted hydrocarbon chemical vapor deposition method is developed to afford large-scale, highly reproducible, ultra-high-yield growth of vertical single-walled carbon nanotubes (V-SWNTs)....
Single walled carbon nanotubes for transport and delivery of biological cargos
Wong Shi Kam, Nadine, Dai, Hongjie
The innate ability of carbon nanotubes to breach the cell membrane of various types of mammalian cells has been reported. Here, we present a summary of the various applications of carbon nanotubes as...
Liu, Zhuang, Davis, Corrine, Cai, Weibo, He, Lina, Chen, Xiaoyuan, Dai, Hongjie
Carbon nanotubes are promising new materials for molecular delivery in biological systems. The long-term fate of nanotubes intravenously injected into animals in vivo is currently unknown, an issue...
Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery
Liu, Zhuang, Tabakman, Scott, Welsher, Kevin, Dai, Hongjie
Carbon nanotubes exhibit many unique intrinsic physical and chemical properties and have been intensively explored for biological and biomedical applications in the past few years. In this...