Sputtered carbon nanotubes

Fig. 1 Characterization of SWNTs grown from sputtered Co-W. (a) A typical SEM image of SWNTs grown from Co-W. Inset: SWNT arrays obtained from pure Co. (b) Averaged Raman spectra in the RBM region of SWNTs grown from pure Co and Co-W with four different excitation wavelengths. (c) Raman spectra of SWNTs with multi data excited at 633 nm.Single-walled carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were synthesized on silicon substrate by the control of catalyst size, hydrocarbon species, and carbon flux through chemical vapor deposition (CVD). Catalysts for SWNTs and MWNTs could be obtained by an agglomeration of sputtered Co-Mo and pure Co thin films ...1 Platinum nanoparticle immobilization onto carbon nanotubes using Pt-sputtered room-temperature ionic liquid Kazuki Yoshii,a Tetsuya Tsuda,*ab Takashi Arimura, c Akihito Imanishi,cd Tsukasa Torimotoe and Susumu Kuwabata*ad a Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan.An official website of the United States government. Here’s how you know Here we present preliminary results obtained by depositing carbon nanotubes (CNT) solutions on ion sputtered quartz substrates. Atomic force microscopy (AFM) images allow to study both CNTs positioning on the "ripples" generated by Ar + sputtering on the SiO 2 surface and their radial deformation induced by the "rough" surface.Carbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].Abstract We present here, a simple approach for the detection of 0.05% concentration of hydrogen (H 2 ) gas at room temperature conditions using pristine and functionalized multiwall carbon nanotubes (MWCNTs). To enhance the sensitivity of the MWCNTs, platinum (Pt) nanoparticles have been sputtered on the surface of the nanotubes which helps in dissociation H 2 molecules to H atoms. The ...In particular, carbon nanotubes (CNT) have recently demonstrated their potential as low-disorder one-dimensional electron systems 12,13,14, which have been used to probe the physics of spin-orbit ...Advances in the synthesis and scalable manufacturing of single-walled carbon nanotubes (SWCNTs) remain critical to realizing many important commercial applications. Here we review recent breakthroughs in the synthesis of SWCNTs and highlight key ongoing research areas and challenges. A few key applications that capitalize on the properties of SWCNTs are also reviewed with respect to the recent ...Summary In this work, flexible carbon nanotubes (CNTs)/manganese oxide (MnO 2) composite electrode was fabricated by direct deposition of MnO 2 nanoparticles on CNTs sheet by RF magnetron sputtering.May 05, 2009 · Superconductivity in carbon nanotubes (CNTs) is a topic of intriguing interest (1–11).While the small-diameter nanotubes are predicted to have enhanced electron-phonon coupling ()—a key element responsible for nanotube superconductivity– the associated increase in fluctuation effects is unfavorable to the manifestation of a superconducting transition. Introduction Toward integration in IC technology, CNTs must over- come several challenges such as in situ low-temperature Carbon nanotubes (CNTs) have been the focus of inter- growth process, consistency between materials required est of many research works within the scientiﬁc community for CNT growth (mainly between catalyst and substrate ... The areal capacitance of the [email protected] CrN, as measured in 0.5 M H 2 SO 4 electrolyte, was as high as 156.4 mF cm -2 at a scan rate of 5 mV s -1 with an excellent electrochemical retention of 90% over 10,000 cycles. Furthermore, the areal capacitance was found to increase with CrN thickness increase over the CNTs.The effect of cosputtered catalyst on growth and alignment of carbon nanotubes (CNTs) grown by plasma enhanced chemical vapor deposition (PECVD) was investigated. Aligned CNTs were observed using a cosputtered catalytic metal deposited directly on boro-aluminosilicate glass. Carbon nanotube. A scanning tunneling microscopy image of a single-walled carbon nanotube. A carbon nanotube ( CNT) is a tube made of carbon with diameters typically measured in nanometres . Single-wall carbon nanotubes ( SWCNTs) Single-wall carbon nanotubes are one of the allotropes of carbon, intermediate between fullerene cages and flat ... Advances in the synthesis and scalable manufacturing of single-walled carbon nanotubes (SWCNTs) remain critical to realizing many important commercial applications. Here we review recent breakthroughs in the synthesis of SWCNTs and highlight key ongoing research areas and challenges. A few key applications that capitalize on the properties of SWCNTs are also reviewed with respect to the recent ...Here we present preliminary results obtained by depositing carbon nanotubes (CNT) solutions on ion sputtered quartz substrates. Atomic force microscopy (AFM) images allow to study both CNTs positioning on the "ripples" generated by Ar + sputtering on the SiO 2 surface and their radial deformation induced by the "rough" surface.Here we present preliminary results obtained by depositing carbon nanotubes (CNT) solutions on ion sputtered quartz substrates. Atomic force microscopy (AFM) images allow to study both CNTs positioning on the "ripples" generated by Ar + sputtering on the SiO 2 surface and their radial deformation induced by the "rough" surface.The largest sputtered C cluster emitted from the pristine sample is C7 . In Fig. 1 (a) the cluster intensities are low u0018 few nano Ampere implying the respective number densities u00181010 s 1. The O and H2O sputtered from the adsorbed water are present with order of magnitude higher intensities than the corresponding Cx anions.Effect of the Structure of a TiO2 Nanotube Arrays on Photocatalytic Activity Prepared by Anodization from Sputtered Ti Film In this research, titanium dioxide nanotubes ( TNTs ) were synthesized via an anodization process from titanium ( Ti ) film sputtered on indium tin oxide ( ITO ) glass by a DC magnetron sputtering technique . Here we present preliminary results obtained by depositing carbon nanotubes (CNT) solutions on ion sputtered quartz substrates. Atomic force microscopy (AFM) images allow to study both CNTs positioning on the "ripples" generated by Ar + sputtering on the SiO 2 surface and their radial deformation induced by the "rough" surface.Carbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].Carbon nanotube. A scanning tunneling microscopy image of a single-walled carbon nanotube. A carbon nanotube ( CNT) is a tube made of carbon with diameters typically measured in nanometres . Single-wall carbon nanotubes ( SWCNTs) Single-wall carbon nanotubes are one of the allotropes of carbon, intermediate between fullerene cages and flat ... Mar 07, 2011 · The first synthesis of carbon nanotubes is usually credited to Sumio Ijima in 1991. A single sheet of carbon atoms arranged in a hexagonal lattice is known as graphene. Graphite consists of a stack of graphene sheets held together by van der Waals forces. Jun 17, 2022 · The findings support the idea that dying stars may seed the interstellar medium with nanotubes and possibly other complex carbon molecules. The results have implications for astrobiology, as they ... Introduction Toward integration in IC technology, CNTs must over- come several challenges such as in situ low-temperature Carbon nanotubes (CNTs) have been the focus of inter- growth process, consistency between materials required est of many research works within the scientiﬁc community for CNT growth (mainly between catalyst and substrate ... Advances in the synthesis and scalable manufacturing of single-walled carbon nanotubes (SWCNTs) remain critical to realizing many important commercial applications. Here we review recent breakthroughs in the synthesis of SWCNTs and highlight key ongoing research areas and challenges. A few key applications that capitalize on the properties of SWCNTs are also reviewed with respect to the recent ...Effect of the Structure of a TiO2 Nanotube Arrays on Photocatalytic Activity Prepared by Anodization from Sputtered Ti Film In this research, titanium dioxide nanotubes ( TNTs ) were synthesized via an anodization process from titanium ( Ti ) film sputtered on indium tin oxide ( ITO ) glass by a DC magnetron sputtering technique . Room temperature hydrogen uptake of carbon nanotubes promoted by silver metal catalyst Sami-ullah Rather, Mehraj-ud-din Naik, Sang Woon Hwang, Ae Rhan Kim and Kee Suk Nahm 1 May 2009 | Journal of Alloys and Compounds, Vol. 475, No. 1-2 Abstract We present here, a simple approach for the detection of 0.05% concentration of hydrogen (H 2 ) gas at room temperature conditions using pristine and functionalized multiwall carbon nanotubes (MWCNTs). To enhance the sensitivity of the MWCNTs, platinum (Pt) nanoparticles have been sputtered on the surface of the nanotubes which helps in dissociation H 2 molecules to H atoms. The ...Carbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].IrO(x) nanofoils (IrO(x)NF) of high surface area are sputtered on multi-wall carbon nanotubes (CNT) in the preparation of a structured electrode on a stainless steel (SUS) substrate for supercapacitor applications. This IrO(x)/CNT/SUS electrode is featured with intriguing IrO(x) curved foils of 2-3 …The deposition was performed using a 3-inch Cr metal target (99.99%) under argon (99.9%) and nitrogen (99.9%), used as sputter and reactive gases, respectively. The deposition power was kept constant at 200 W, while N 2 and Ar flux were kept constant with values of 10 and 20 sccm, respectively.experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the …Abstract We present here, a simple approach for the detection of 0.05% concentration of hydrogen (H 2 ) gas at room temperature conditions using pristine and functionalized multiwall carbon nanotubes (MWCNTs). To enhance the sensitivity of the MWCNTs, platinum (Pt) nanoparticles have been sputtered on the surface of the nanotubes which helps in dissociation H 2 molecules to H atoms. The ...Summary In this work, flexible carbon nanotubes (CNTs)/manganese oxide (MnO 2) composite electrode was fabricated by direct deposition of MnO 2 nanoparticles on CNTs sheet by RF magnetron sputtering.Carbon nanotubes with different structure and morphol-ogy can now be fabricated with several techniques. Experi-ments performed, mostly on individual nanotubes, show that ... The nanotubes produced using 2 nm of sputtered Co had smaller average diameters of nanotubes and a very narrow diameter distribution centered around 30 nm, whileCarbon nanotubes can enhance the excitability of neurons by forming tight contacts with the cell membranes to favour electrical shortcuts between the distal and proximal compartments of the neuron.Mar 07, 2011 · The first synthesis of carbon nanotubes is usually credited to Sumio Ijima in 1991. A single sheet of carbon atoms arranged in a hexagonal lattice is known as graphene. Graphite consists of a stack of graphene sheets held together by van der Waals forces. IrO(x) nanofoils (IrO(x)NF) of high surface area are sputtered on multi-wall carbon nanotubes (CNT) in the preparation of a structured electrode on a stainless steel (SUS) substrate for supercapacitor applications. This IrO(x)/CNT/SUS electrode is featured with intriguing IrO(x) curved foils of 2-3 …Fig. 1 Characterization of SWNTs grown from sputtered Co-W. (a) A typical SEM image of SWNTs grown from Co-W. Inset: SWNT arrays obtained from pure Co. (b) Averaged Raman spectra in the RBM region of SWNTs grown from pure Co and Co-W with four different excitation wavelengths. (c) Raman spectra of SWNTs with multi data excited at 633 nm.An unexpected 5000% increase in growth efficiency and high (95%) single-wall selectivity synthesis of vertically aligned carbon nanotubes (CNTs) was shown from Fe catalysts supported on a sputtered MgO underlayer from a simple underlayer treatment, i.e., annealing treatment. In this way, millimeter-scale single-wall carbon nanotube "forests" could be synthesized in a 10 min time, which has ...An unexpected 5000% increase in growth efficiency and high (95%) single-wall selectivity synthesis of vertically aligned carbon nanotubes (CNTs) was shown from Fe catalysts supported on a sputtered MgO underlayer from a simple underlayer treatment, i.e., annealing treatment. In this way, millimeter-scale single-wall carbon nanotube "forests" could be synthesized in a 10 min time, which has ...Fig. 1 Characterization of SWNTs grown from sputtered Co-W. (a) A typical SEM image of SWNTs grown from Co-W. Inset: SWNT arrays obtained from pure Co. (b) Averaged Raman spectra in the RBM region of SWNTs grown from pure Co and Co-W with four different excitation wavelengths. (c) Raman spectra of SWNTs with multi data excited at 633 nm.Effect of the Structure of a TiO2 Nanotube Arrays on Photocatalytic Activity Prepared by Anodization from Sputtered Ti Film In this research, titanium dioxide nanotubes ( TNTs ) were synthesized via an anodization process from titanium ( Ti ) film sputtered on indium tin oxide ( ITO ) glass by a DC magnetron sputtering technique . Current approaches for functionalizing carbon nanotubes (CNTs) often utilize harsh chemical conditions, and the resulting harmful wastes can cause various environmental and health concerns. ... (III) Removal from Drinking Water by Carbon Nanotube Membranes with Magnetron-Sputtered Copper: Performance and Mechanisms ACS Appl Mater Interfaces ...produces different types of carbon nanotubes. The last test I will do to classify carbon nanotube substrate is to vary the catalyst used. Instead of spin coating a wafer with sol -gel I will attempt to use sputtered iron, cobalt, nickel, and other metals in order to explore the structure of the carbon nanotube structures that form as a result ... Abstract We present here, a simple approach for the detection of 0.05% concentration of hydrogen (H 2 ) gas at room temperature conditions using pristine and functionalized multiwall carbon nanotubes (MWCNTs). To enhance the sensitivity of the MWCNTs, platinum (Pt) nanoparticles have been sputtered on the surface of the nanotubes which helps in dissociation H 2 molecules to H atoms. The ...produces different types of carbon nanotubes. The last test I will do to classify carbon nanotube substrate is to vary the catalyst used. Instead of spin coating a wafer with sol -gel I will attempt to use sputtered iron, cobalt, nickel, and other metals in order to explore the structure of the carbon nanotube structures that form as a result ... The largest sputtered C cluster emitted from the pristine sample is C7 . In Fig. 1 (a) the cluster intensities are low u0018 few nano Ampere implying the respective number densities u00181010 s 1. The O and H2O sputtered from the adsorbed water are present with order of magnitude higher intensities than the corresponding Cx anions.Carbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].The results from mass spectrometry of clusters sputtered from Cs+irradiated single-walled carbon nano-tubes (SWCNTs) as a function of energy and dose identify the nature of the resulting damage in the form of multiple vacancy generation. For pristine SWCNTs at all Cs+energies, C 2is the most dominant species, followed by C3, C4and C1.Download Citation | Correction to: Sputtered chromium nitride/carbon nanotubes hybrid structure for electrochemical capacitors | In the original publication of the article, one of the first author ...experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the …A locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. The results from mass spectrometry of clusters sputtered from Cs+irradiated single-walled carbon nano-tubes (SWCNTs) as a function of energy and dose identify the nature of the resulting damage in the form of multiple vacancy generation. For pristine SWCNTs at all Cs+energies, C 2is the most dominant species, followed by C3, C4and C1.Here we present preliminary results obtained by depositing carbon nanotubes (CNT) solutions on ion sputtered quartz substrates. Atomic force microscopy (AFM) images allow to study both CNTs positioning on the "ripples" generated by Ar + sputtering on the SiO 2 surface and their radial deformation induced by the "rough" surface.The effect of cosputtered catalyst on growth and alignment of carbon nanotubes (CNTs) grown by plasma enhanced chemical vapor deposition (PECVD) was investigated. Aligned CNTs were observed using a cosputtered catalytic metal deposited directly on boro-aluminosilicate glass. An unexpected 5000% increase in growth efficiency and high (95%) single-wall selectivity synthesis of vertically aligned carbon nanotubes (CNTs) was shown from Fe catalysts supported on a sputtered MgO underlayer from a simple underlayer treatment, i.e., annealing treatment. In this way, millimeter-scale single-wall carbon nanotube "forests" could be synthesized in a 10 min time, which has ...May 05, 2009 · Superconductivity in carbon nanotubes (CNTs) is a topic of intriguing interest (1–11).While the small-diameter nanotubes are predicted to have enhanced electron-phonon coupling ()—a key element responsible for nanotube superconductivity– the associated increase in fluctuation effects is unfavorable to the manifestation of a superconducting transition. Carbon nanotubes can be used as multifunctional biological transporters and near-infrared agents for selective cancer cell destruction. Biological systems are known to be highly transparent to 700- to 1,100-nm near-infrared (NIR) light.Emission of multi-atomic carbon clusters C x ; x > 1 from the heavy ion irradiated fullerenes [1], single [2] and multi-walled carbon nanotubes [3], is a rule rather than the exception. Monatomic ... At the same time, the films are highly stable in the high-temperature methane/hydrogen atmosphere typically required to grow single wall carbon nanotubes. We characterize molybdenum rhenium alloy films deposited via simultaneous sputtering from two sources, with respect to their composition as function of sputter parameters and their electronic dc as well as GHz properties at low temperature. The areal capacitance of the [email protected] CrN, as measured in 0.5 M H 2 SO 4 electrolyte, was as high as 156.4 mF cm -2 at a scan rate of 5 mV s -1 with an excellent electrochemical retention of 90% over 10,000 cycles. Furthermore, the areal capacitance was found to increase with CrN thickness increase over the CNTs.Jun 17, 2022 · The findings support the idea that dying stars may seed the interstellar medium with nanotubes and possibly other complex carbon molecules. The results have implications for astrobiology, as they ... experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the …Correction to: Sputtered chromium nitride/carbon nanotubes hybrid structure for electrochemical capacitors. Huazhong Liu 1,2, Wenxuan He 1, Xiaolan Wang 2, Zhigao Lan 2 & Huoxi Xu 2 Applied Physics A volume 127, Article number: 262 (2021) Cite this articleCarbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].An official website of the United States government. Here’s how you know Carbon nanotubes Carbon nanotubes (CNTs) have unique electrical, thermal and mechanical properties [ 18 ]. They can carry an electrical current density of ~ 4 × 10 9 A cm -2, which is three orders of magnitude higher than Cu [ 19 ].Advances in the synthesis and scalable manufacturing of single-walled carbon nanotubes (SWCNTs) remain critical to realizing many important commercial applications. Here we review recent breakthroughs in the synthesis of SWCNTs and highlight key ongoing research areas and challenges. A few key applications that capitalize on the properties of SWCNTs are also reviewed with respect to the recent ...Carbon nanotube. A scanning tunneling microscopy image of a single-walled carbon nanotube. A carbon nanotube ( CNT) is a tube made of carbon with diameters typically measured in nanometres . Single-wall carbon nanotubes ( SWCNTs) Single-wall carbon nanotubes are one of the allotropes of carbon, intermediate between fullerene cages and flat ... sputtered using a VRC Group Inc. Ion Beam Sputterer, model IBS/TM200S. The chamber is continuously flushed with argon (99.999% pure) as the sample is inserted into ... There are many factors that affect PECVD growth of carbon nanotubes and all of their effects are not well known. We investigated the effects caused by changes in temperature ...Emission of multi-atomic carbon clusters C x ; x > 1 from the heavy ion irradiated fullerenes [1], single [2] and multi-walled carbon nanotubes [3], is a rule rather than the exception. Monatomic ... The largest sputtered C cluster emitted from the pristine sample is C7 . In Fig. 1 (a) the cluster intensities are low u0018 few nano Ampere implying the respective number densities u00181010 s 1. The O and H2O sputtered from the adsorbed water are present with order of magnitude higher intensities than the corresponding Cx anions.experiments with multiwalled carbon nanotubes and graphite as targets in a source of negative ions with cesium sputtering have shown that nanotubes with nanometer radii and micrometer length can be compared with micrometer size graphite grains to understand the irradiation effects that include the formation, sputtering of carbon clusters and the …Current approaches for functionalizing carbon nanotubes (CNTs) often utilize harsh chemical conditions, and the resulting harmful wastes can cause various environmental and health concerns. ... (III) Removal from Drinking Water by Carbon Nanotube Membranes with Magnetron-Sputtered Copper: Performance and Mechanisms ACS Appl Mater Interfaces ...The areal capacitance of the [email protected] CrN, as measured in 0.5 M H 2 SO 4 electrolyte, was as high as 156.4 mF cm -2 at a scan rate of 5 mV s -1 with an excellent electrochemical retention of 90% over 10,000 cycles. Furthermore, the areal capacitance was found to increase with CrN thickness increase over the CNTs.Current approaches for functionalizing carbon nanotubes (CNTs) often utilize harsh chemical conditions, and the resulting harmful wastes can cause various environmental and health concerns. ... (III) Removal from Drinking Water by Carbon Nanotube Membranes with Magnetron-Sputtered Copper: Performance and Mechanisms ACS Appl Mater Interfaces ...Emission of multi-atomic carbon clusters C x ; x > 1 from the heavy ion irradiated fullerenes [1], single [2] and multi-walled carbon nanotubes [3], is a rule rather than the exception. Monatomic ... Correction to: Sputtered chromium nitride/carbon nanotubes hybrid structure for electrochemical capacitors. Huazhong Liu 1,2, Wenxuan He 1, Xiaolan Wang 2, Zhigao Lan 2 & Huoxi Xu 2 Applied Physics A volume 127, Article number: 262 (2021) Cite this articleSep 08, 2021 · One leading candidate is carbon nanotubes, which are tiny, rolled-up pieces of the practically 2-dimensional wonder material graphene. When used as transistors, the nanotubes could be five times as energy efficient and five times faster than silicon. The problem is that working with the tiny tubes — just nanometers in diameter — is difficult. Targeting of tumors with radionuclides for radiotherapeutic purposes is often limited by inadequate delivery to lesions using currently available targeting vehicles (e.g., monoclonal antibodies and peptides), relatively low and heterogeneous epitope/receptor expression on cancer cells, as well as Download Citation | Correction to: Sputtered chromium nitride/carbon nanotubes hybrid structure for electrochemical capacitors | In the original publication of the article, one of the first author ...Carbon nanotubes can enhance the excitability of neurons by forming tight contacts with the cell membranes to favour electrical shortcuts between the distal and proximal compartments of the neuron. 10l_1ttl