Effect of multi walled carbon nanotubes loaded with ag nanoparticles on the

Báo cáo hóa học: " Effect of Purity and Substrate on Field Emission Properties of Multi-walled Carbon Nanotubes" pdf

Báo cáo hóa học:
... layer porous carbon paper which consists of a macroporous layer of carbon fiber paper (SGL, Germany) and a microporous layer of carbon black powder and a hydrophobic agent The carbon black powder ... enhances an intimate electronic contact between the CNTs and the macroporous carbon paper The graphitized carbon paper was prepared by deposition of a mixture of carbon black and poly-tetrafluoroethylene ... 2:331–336 powders onto carbon paper in combination with a subsequent rolling process For the fabrication of field emission arrays of randomly oriented as-grown MWNT over carbon paper, as-grown...
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Báo cáo hóa học: " Effects of Gas Composition on Highly Efficient Surface Modification of Multi-Walled Carbon Nanotubes by Cation Treatment" pptx

Báo cáo hóa học:
... correlates with the composition of the generated cations In this study, the effect of gas composition on the functionalization process is investigated, by providing various H2/O2 gas mixtures to ... most effective gas mixture to graft oxygen-containing functional groups and remove the amorphous carbon on the surface of the nanotubes Specifically, by using this gas condition to conduct the plasma ... increase the concentration of oxygenated functional groups whilst also reducing the concentration of amorphous carbon On the other hand, treatment with pure O2 gas (with the exception of increasing...
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Báo cáo khoa hoc:" Effects of multi-walled carbon nanotubes (MWCNT) under Neisseria meningitidis transformation process" pps

Báo cáo khoa hoc:
... Effects of multi-walled carbon nanotubes (MWCNT) under Neisseria meningitidis transformation process Ives B Mattos1, Danilo A Alves1, Luciana ... interference under the transformation process of this bacterium is unknown This work aimed at the use of multi-walled carbon nanotubes (MWCNT) for the study of the nanostructures action on the transformation ... verifying the action of multi-walled carbon nanotubes (MWCNT) under the naturally transformable Neisseria meningitidis against two different DNA obtained from isogenic mutants of this microorganism,...
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conducting polymer functionalized multi walled carbon nanotubes with

conducting polymer functionalized multi walled carbon nanotubes with
... MWCNTs functionalized with PANI (MWCNTs-f-PANI) and noble metal (Au and Ag) nanoparticles Firstly, MWCNTs-f-PANI was prepared For this we modified the carbon nanotubes (MWCNTs-COCl) with DABSA via amide ... using the MWCNTs-f-PANI synthesis protocol but without using MWCNTs-DABSA 2.5 Dispersion of Au or Ag nanoparticles into PANI functionalized carbon nanotubes (MWCNTs-f-PANI/Au or Ag-NC) In a typical ... nanoparticles into polymers has become an important issue in the fabrication of desirable polymer nanocomposites; however, despite their importance, reports of hybrid composites with three components...
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Báo cáo hóa học: " Atomic Layer Deposition of ZnO on Multi-walled Carbon Nanotubes and Its Use for Synthesis of CNT–ZnO " doc

Báo cáo hóa học:
... morphology of the ALD ZnO shell on CNTs The first one is the surface configuration of the CNTs As a micromolecular form of carbon, CNT can be regarded as graphitic layers (sp2hybridized carbon atoms) ... that the deposited ZnO layer can be used as a seed layer for the hydrothermal growth of ZnO nanorods This provides a new method for the fabrication of CNT ZnO threedimensional (3-D) hybrid nanostructures, ... spectrum of CNTs before (a) and after (b) ALD of ZnO Inset: Raman spectrum in the range of 150–650 cm-1 of ZnOcoated CNTs a chemical vapor deposition (CVD) reaction With the occurrence of CVD reactions,...
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Báo cáo vật lý: "Polymerisation of Protonic Polyaniline/Multi-Walled Carbon Nanotubes-Manganese Dioxide Nanocomposites" doc

Báo cáo vật lý:
... properties of single-walled carbon nanotubes Nature, 391(6662), 62–64 Santos, C.V., Hernandez, A.L.M., Fisher, F.T., Ruoff, R & Castano, V.M (2003) Improvement of thermal and mechanical properties of carbon ... of benzoid at 1476 cm–1 and the quinoid ring vibration at 1557 cm–1, indicating the oxidation state of emaraldine salt of PANI.15 The strong band around 1141 cm–1 is the characteristic peak of ... -MnO2 Polymerisation of PANI/MWCNTs-MnO2 30 Figure 2: FTIR spectrum of HCl-doped PANI that can be observed is the intensity ratio of the benzoid and quinoid bands The spectrum of pure PANI (Fig...
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báo cáo khoa học: "The adsorption of biomolecules to multi-walled carbon nanotubes is influenced by both pulmonary surfactant lipids and surface chemistry" doc

báo cáo khoa học:
... doi:10.1186/1477-3155-8-31 Cite this article as: Gasser et al.: The adsorption of biomolecules to multi-walled carbon nanotubes is influenced by both pulmonary surfactant lipids and surface chemistry Journal of Nanobiotechnology ... Page of of the study and made substantial contributions to the analysis and interpretation of the data HFK and PG made substantial contributions to the analysis and interpretation of the data BY ... Laboratory for Materials Biology Interactions, St Gallen, Switzerland 2Institute of Anatomy, Division of Histology, University of Bern, Bern, Switzerland Division Neonatology, Department of Paediatrics,...
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Báo cáo hóa học: " Studying the local character of Raman features of single-walled carbon nanotubes along a bundle using TERS" potx

Báo cáo hóa học:
... TERS and confocal Raman measurements at seven different positions along a small SWCNTs bundle in order to study the local character of different Raman features of SWCNTs The seven positions along ... 2003, 376:174 Saito Y, Hayazawa N, Kataura H, Murakami T, Tsukagoshi K, Inouye Y, Kawata S: Polarization measurements in tip-enhanced Raman spectroscopy applied to single-walled carbon nanotubes Chem ... broad in the far-field Raman spectra taken at positions Table Summary of the RBM frequencies in the TERS spectra along the measured bundle together with their calculated diameter and tentative...
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Báo cáo hóa học: " Synthesis of multi-walled carbon nanotube/ polyhedral oligomeric silsesquioxane nanohybrid by utilizing click chemistry" pptx

Báo cáo hóa học:
... multiwalled carbon nanotubes Macromolecules 2009, 42:5416 doi:10.1186/1556-276X-6-122 Cite this article as: Yadav et al.: Synthesis of multi-walled carbon nanotube /polyhedral oligomeric silsesquioxane nanohybrid ... spectra of nanohybrid (a) TEM images of MWNT-POSS nanohybrid and (b) EDX spectra of MWNTPOSS nanohybrid Furthermore, XPS was additionally used to investigate the clicked surface The XPS spectra of ... Synthesis of MWNT-POSS nanohybrid by click coupling Coupling of an azide moiety-containing POSS and alkyne-functionalized MWNTs was carried out via Cu (I)-catalyzed click chemistry Typically, 20 mg of...
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Báo cáo hóa học: " Electrical behavior of multi-walled carbon nanotube network embedded in amorphous silicon nitride" potx

Báo cáo hóa học:
... article as: Stavarache et al.: Electrical behavior of multi-walled carbon nanotube network embedded in amorphous silicon nitride Nanoscale Research Letters 2011 6:88 Page of Submit your manuscript ... MWCNTs network is due to the field-assisted tunneling between neighboring nanotubes embedded in SiN We assume that SiN fills up all the space in the structure The interface between the nanotubes ... embedded in SiN was XTEM investigated The TEM Page of investigations, performed on nanotubes deposited directly on the carbon grid, reveal a uniform spatial extension of MWCNT network In our opinion,...
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Báo cáo hóa học: " A Temperature Window for the Synthesis of Single-Walled Carbon Nanotubes by Catalytic Chemical Vapor Deposition of CH4 over Mo2-Fe10/MgO Catalyst" pptx

Báo cáo hóa học:
... Conclusions A temperature window of SWCNTs growth by catalytic chemical vapor deposition of CH4 over Mo-Fe/MgO catalyst has been studied The results suggest that when the temperature is lower than 750 ... mg catalyst was put into the quartz tube The temperature was raised to the setting value in Ar atmosphere at a flow rate of 200 mL/min before CH4 was introduced into the reactor at 60 mL/min for ... min, then CH4 was turned off and the furnace was cooled to room temperature in an Ar flow The impurities were removed by concentrate HCI The Raman spectra were recorded by a Renishaw inVia spectrophotometer...
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Báo cáo hóa học: " In situ Polymerization of Multi-Walled Carbon Nanotube/Nylon-6 Nanocomposites and Their Electrospun Nanofibers" pot

Báo cáo hóa học:
... and methanol, and were finally dried under a reduced pressure for days at 100 °C In situ Polymerization of the Nanocomposites In situ polymerization of e-caprolactam in the presence of F-MWNTs (or ... peaks of the WAXS patterns in the nanofibers were due to the small size of the crystal [48] Conclusions We prepared two kinds of the nanocomposites by using an in situ polymerization method in the ... formation of extended chain crystals and is typically obtained from a process involving elongational flow [47] The reflections at 2h = 11 and 21° are -201/200/001 and 020 of the c form, respectively, and...
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High yield synthesis of multi-walled carbon nanotubed from CaCO3 supported iron (III) nitrate catalyst

High yield synthesis of multi-walled carbon nanotubed from CaCO3 supported iron (III) nitrate catalyst
... NATIONAL UNIVERSITY HANOI COLLEGE OF TECHNOLOGY Nguyen Duc Dung HIGH YIELD SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES FROM CaCO3 SUPPORTED IRON (III) NITRATE CATALYST Speciality: Nano Materials ... the relative efficiency of catalysts in terms of carbon deposit and density of CNTs The iron weight content of 1%, 3%, 5%, 7%, 10%, 15%, 20% in CaCO3 + Fe(NO3)3.9H2O and in CaCO3 + FeCl3.6H2O are ... filaments were produced through the synthesis of carbon fibers by the decomposition of hydrocarbons at high temperature in the presence of transition metal catalyst nanoparticles [57, 78] However,...
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Báo cáo khoa học: "Effect of a feedback control by early secondary xylem formation on the outcome of competition between leafy shoots in apple (Malus x domestica Borkh.)" ppt

Báo cáo khoa học:
... part of the explanation However, cambial activity also interferes by long-term effects through variation in the conducting capacity of the main stem References Discussion and Conclusion The control ... control of secondary xylem differentiation by shoot growth in the bearing stem below is not easy to explain It differs markedly according to the complex dominance relations of the shoots: extreme habits, ... initial advance and cannot growing faster than shoot case is far from amplify it by The latter uncommon: amount to 40% of the total it may population, upon cultural conditions and treatments...
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development of an ozone gas sensor using single - walled carbon nanotubes

development of an ozone gas sensor using single - walled carbon nanotubes
... Eriksson, Effect of ozone oxidation on single- walled carbon nanotubes, J Phys Chem B 110 (2006) 7113–7118 J Li, Y Lu, Q Ye, M Cinke, J Han, M Meyyappan, Carbon nanotube sensors for gas and organic vapor ... program of MKE/IITA [2006-S-07 8-0 3, Environmental Sensing and Alerting System with Nano-wire and Nano-tube] and partially supported by the National Research Laboratory NRL (R0A-200 7-0 0 0-2 011 1-0 ) ... concentration of ozone and the same period of gas injection and degassing, the change of the sensor response was 11% This change was a little bit more than that of the first cycle At Y Park et al / Sensors...
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