Haut PDF Functionalized double-walled carbon nanotubes for integrated gas sensors
Functionalized double-walled carbon nanotubes for integrated gas sensors
... you for guiding me, helping me and encouraging me in the scientific ...memory for my career and ...all for giving help to my work and my life in ...you for having banquets and treval and ...
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Chlorinated holey double-walled carbon nanotubes for relative humidity sensor
... Humidity sensors are important in industry, medicine, research, and many everyday life ...reason for this is mainly the functionali zation of the CNTs during puri fication procedures, and the adsorption of ...
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Tailoring of Double‐Walled Carbon Nanotubes for Formaldehyde Sensing through Encapsulation of Selected Materials
... observed for un filled DWNTs when formaldehyde was introduced can be explained as follows: un filled DWNTs are composed of a mixture of semiconducting and metallic DWNTs with the latter being predominant, and hence, ...
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A comparative study on the enzymatic biodegradability of covalently functionalized double- and multi-walled carbon nanotubes
... useful for the characterization of CNTs to evidence the variation of the intensity of the D band (frequency at ~ 1350 cm "1 ) to the G band (frequency at ~ 1590 cm "1 ), and therefore the defect density on ...
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A comparative study on the enzymatic biodegradability of covalently functionalized double- and multi-walled carbon nanotubes
... [14] . Contrary to the previous report, the results suggested that the biodegradation reduce the length of the tubes, creating a higher amount of defects on their walls, rather than exfoliating their external surface. In ...
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Effect of the fluorination technique on the surface-fluorination patterning of double-walled carbon nanotubes
... fluorinated carbon could find potential application in nanoelectronics and gas sensing ...applications. For example, quantum-chemical calcula- tions predict that the conductivity of fluorinated CNTs ...
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Effect of ultrasound pretreatment on bromination of double-walled carbon nanotubes
... with carbon bands when Br 2 mole cules are intercalated into SWCNT ropes [ 11 ...bromine functionalized SWCNTs as efficient gas chemir esistor sensors [ 14 ) has also been ...
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Effect of ultrasound pretreatment on bromination of double-walled carbon nanotubes
... STO 3 G level gave a bond length of 2.297 Å, which well agrees with the experimental value of 2.289 Å for gas phase Br 2 [ 31 ]. An outer DWCNT wall was modeled by a fragment of armchair (9,9) CNT with a ...
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Experimental determination of microwave attenuation and electrical permittivity of double-walled carbon nanotubes
... Centre Interuniversitaire de Recherche et d'Ingénierie des Matériaux, UMR CNRS 5085, Université Paul Sabatier, 31062 Toulouse, France The attenuation and the electrical permittivity of the double-walled ...
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Effect of the fluorination technique on the surface-fluorination patterning of double-walled carbon nanotubes
... fluorinated carbon could find potential application in nanoelectronics and gas sensing ...applications. For example, quantum-chemical calcula- tions predict that the conductivity of fluorinated CNTs ...
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AFM imaging of functionalized double-walled carbon nanotubes
... 2.2. Non-covalent functionalization of DWNTs with BSA Purified DWNTs and BSA (Roche) were mixed with ultra-pure water with a concentration of 0.25 and 1.0 mg/ml, respectively. The mixture was sonicated for 45 min ...
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Design of double-walled carbon nanotubes for biomedical applications
... than for the positive control DharmaFECT–siRNA survivin ...The functionalized oxDWNTs developed in this work present an alternative with reasonable biocompatibility, which can simultaneously serve as an ...
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Design of double-walled carbon nanotubes for biomedical applications
... shorter nanotubes (200–2000 nm length, 296 nm ± 123 nm on average as determined by AFM and phase-analysis light scattering (PALS) [ 17 ...of functionalized DWNTs in greater detail [ 19 ...
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Large-Diameter Single-Wall Carbon Nanotubes Formed Alongside Small-Diameter Double-Walled Carbon Nanotubes
... need for the selective synthesis of DWCNTs over SWCNTs and ...carbonaceous gas is decomposed over nanoparticles, o ffers a better degree of control and higher ...second carbon cap sometimes called ...
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Comparative micro-Raman spectroscopy study of tellurium-filled double-walled carbon nanotubes
... detected nanotubes have to be in resonance with the incident radiation, ...applied for the assignment of the 170, 200-210, and 254 cm −1 ...justification for the RBM mode upshift is found in ...
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Chemical functionalization of Xanthan gum for the dispersion of double-walled carbon nanotubes in water
... ing MWCNTs dispersions, one type of non-covalent function- alization has received considerable attention involving biocompatible polymers (gum arabic and carboxymethylcelu- lose) to investigate their ecotoxicity on the ...
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Polyethylene / single walled carbon nanotubes nanocomposites
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...
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Chemical functionalization of Xanthan gum for the dispersion of double-walled carbon nanotubes in water
... Balance) for disper- sion and stabilization of CNTs in ...multi-walled carbon nanotubes (MWCNTs) in aqueous media is negatively ...single-walled carbon nanotubes (SWCNTs), ...
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Structural Properties of Double-Walled Carbon Nanotubes Driven by Mechanical Interlayer Coupling
... parameters corresponding to favored con figurations as discussed in Figure 4 . However, the relaxed structure presents important distortions and a lot of defects preventing a complete determination of its chirality. ...
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Synthesis of superparamagnetic iron(III) oxide nanowires in double-walled carbon nanotubes
... is equal to zero (no hysteresis) for temperatures above T Bw . In agreement with 57 Fe Mo¨ssbauer spectroscopy and magnetic measurements data, the reduction of FeI 2 in hydrogen was probably directly followed by ...
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