... is still no way of controlling the area of deposition, despite the large yield and fast production rate of HiPco process 2.3.3 Electrical properties of carbon nanotubes Carbon nanotubes inherit ... electrical properties have made carbon nanotubes (CNTs) ideal components of nanodevices for the purpose of emerging ultrasensitive applications Synthesis of catalytic CVD grown multiwalled carbon nanotubes ... of nanometer scale In order to understand the properties of CNTs and hence the CNTs based systems better, it is ideal to study the CNTs and the progression of properties of CNTs synthesized under
Ngày tải lên: 06/10/2015, 20:43
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... diffusion paths of 2nd carbon around vacancy in case of 2 carbon atoms 41 Figure 3.15 Minimum energy paths of carbon in case 2C 42 Figure 3.16 Seven diffusion paths of the 3rd carbon atom around ... Configurations of BCC iron structure in case of two carbons 24 Figure 3.4: Configurations of BCC iron structure in case of three carbons 25 Figure 3.5: Configurations of BCC iron structure in case four carbons
Ngày tải lên: 21/09/2020, 20:07
Atomistically kinetic simulations of carbon diffusion in ɑ iron with point defects001
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... Configurations of BCC iron structure in case of two carbons Figure 3.4 : Configurations of BCC iron structure in case of three carbons Figure 3.5 : Configurations of BCC iron structure in case four carbons ... vacancy in case of 3 carbon atoms 45 Figure 3.17 Minimum energy paths of carbon in case 3C 46 Figure 3.18 Jumping rate in case of 1, 2 and 3 carbon atoms as an inverse function of temperature
Ngày tải lên: 27/10/2020, 19:58
Atomistically kinetic simulations of carbon diffusion in ɑ iron with point defects002
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... Configurations of BCC iron structure in case of two carbons Figure 3.4 : Configurations of BCC iron structure in case of three carbons Figure 3.5 : Configurations of BCC iron structure in case four carbons ... vacancy in case of 3 carbon atoms 45 Figure 3.17 Minimum energy paths of carbon in case 3C 46 Figure 3.18 Jumping rate in case of 1, 2 and 3 carbon atoms as an inverse function of temperature
Ngày tải lên: 27/10/2020, 19:58
(Luận văn thạc sĩ) atomistically kinetic simulations of carbon diffusion in ɑ iron with point defects001
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... diffusion paths of 2nd carbon around vacancy in case of 2 carbon atoms 41 Figure 3.15 Minimum energy paths of carbon in case 2C 42 Figure 3.16 Seven diffusion paths of the 3rd carbon atom around ... Configurations of BCC iron structure in case of two carbons 24 Figure 3.4: Configurations of BCC iron structure in case of three carbons 25 Figure 3.5: Configurations of BCC iron structure in case four carbons
Ngày tải lên: 06/12/2020, 18:55
Atomistically kinetic simulations of carbon diffusion in ɑ-iron with point defects
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... diffusion paths of 2nd carbon around vacancy in case of 2 carbon atoms 41 Figure 3.15 Minimum energy paths of carbon in case 2C 42 Figure 3.16 Seven diffusion paths of the 3rd carbon atom around ... Configurations of BCC iron structure in case of two carbons 24 Figure 3.4: Configurations of BCC iron structure in case of three carbons 25 Figure 3.5: Configurations of BCC iron structure in case four carbons
Ngày tải lên: 17/01/2021, 12:45
Functionalization of carbon nanotube and using it for electrode composite of battery
... chính: Ống nano carbon đơn thành (single-walled carbon nanotubes-SWNT) Ống nano carbon đa thành (multi-walled carbon nanotubes– MWNT) Cấu trúc và cách sắp xếp các nguyên tử carbon trong tấm ... composite, spinel, pin lithium Trang 3ABSTRACT The unique properties of carbon nanotubes (CNTs) endow them with a number of applications ranging from electronics to imaging, bio-sensing, and drug delivery ... Vulcan carbon (VC).Particularly, the discharge capacity values of LNMO/10% CNTs was higher than LNMO/10% VC, 120 Ah.kg-1 vs 110 Ah.kg-1, respectively Thus, the using of modified carbon nanotubes
Ngày tải lên: 23/01/2021, 10:34
Atomistically kinetic simulations of carbon diffusion in ɑ iron with point defects
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... diffusion paths of 2nd carbon around vacancy in case of 2 carbon atoms 41 Figure 3.15 Minimum energy paths of carbon in case 2C 42 Figure 3.16 Seven diffusion paths of the 3rd carbon atom around ... Configurations of BCC iron structure in case of two carbons 24 Figure 3.4: Configurations of BCC iron structure in case of three carbons 25 Figure 3.5: Configurations of BCC iron structure in case four carbons
Ngày tải lên: 17/03/2021, 08:53
Predictive-and-semi-gSEM-models-of-Poly-Ethylene-Terephthalate-under-multi-factor-accelerated-weathering-exposure-Prof-Roger-French
... Trang 1Predictive and Semi-gSEM Models of Poly(Ethylene-Terephthalate) under Multi-Factor Accelerated Weathering Exposures Abdulkerim Gok 1 ... Stabilizer2 quinones1 π → π* transition of the terephthalate unit and ester carbonyl on the PET backbone photo-oxidation hydroperoxide formation → photolysis of hydroperoxides → hydroxyl radicals ... 23semi-gSEM Degradation Pathway Models UV stabilized PET 1) yellowing under HotQUV 2) yellowing under CyclicQUV 3) hazing under CyclicQUV Trang 24SDLE Center, VUV-Lab, Materials Science &
Ngày tải lên: 23/10/2022, 18:53
molecular mechanism of carbon nanotube to activate subtilisin carlsberg in polar and non polar organic media
... every system Adsorption of the enzyme on Carbon Nanotubes To gain insight into the adsorption dynamics of the subtilisin, we analyzed the time evolution of the number of adsorbed non-hydrogen ... which mainly stems from the formation of H-bonding between the carbonyl oxygen of substrate and Leu127 of the enzyme (vide Fig. 11), displaying the impact of the adsorption-induced conformation ... applications in field of biosensors, biomedical devices and other hybrid materials12,13 1Faculty of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China 2College of Management,
Ngày tải lên: 04/12/2022, 15:49
LUẬN văn THẠC sĩ atomistically kinetic simulations of carbon diffusion in ɑ iron with point defects001
... stability of carbon atoms around the vacancy by an investigation based on new Tersoff potential; (ii) The trend of carbon-trapping of vacancy (iii) The effect of vacancy on diffusion properties of carbon ... improving the properties of this traditional material Figure 1.2 Phase diagram of iron-carbon alloy by different carbon content [19] Table 1.1 Different phases of steel based on carbon content ... the 3 rd carbon is considered as the schematic structure of Figure 3.4 Figure 3.4: Configurations of BCC iron structure in case of three carbons In four carbon atoms case, the positions of the
Ngày tải lên: 05/12/2022, 10:09
Synthesis of carbon nanotube polyaniline nano composite electrode by in situ electrochemical polymerization
... hướng nghiên cứu chế tạo điện cực composite CNTs/PANi cho siêu tụ điện. Từ khóa: polyaniline, carbon nanotube, cyclic voltammetry M Ở ĐẦU Trong số các polymer dẫn thì polyaniline (PANi) có những ... chlohydric acid (37 %) do hãng Merck sản xuất, aniline (99,5 %) do hãng Sigma-Aldrich sản xuất, carbon nanotube (CNTs) (100 %) để chế tạo giấy bucky do hãng Cheaptubes sản xuất Thiết bị tổng hợp
Ngày tải lên: 19/02/2023, 22:01
Sensing properties of sulfonated multi-walled carbon nanotube and graphene nanocomposites with polyaniline
... 1Original ArticleSensing properties of sulfonated multi-walled carbon nanotube and graphene nanocomposites with polyaniline Department of Applied Chemistry, Faculty of Engineering and Technology, ... t Here, we discuss one of the simplest approaches for chemical functionalization of in-situ prepared polyaniline (Pani) and its nanocomposites with multi-walled carbon nanotubes (MWCNT) and graphene ... dropwise under stirring The ultrasonicated sus-pension of MWCNTs (0.15 gm in 100 mL of 1M HCl) was transferred into aniline solution The oxidant was readied by dissolving 14.8 gm K2S2O8in 200 mL of
Ngày tải lên: 24/09/2020, 04:41
Sensing properties of sulfonated multi walled carbon nanotube and graphene nanocomposites with polyaniline
... 1Original ArticleSensing properties of sulfonated multi-walled carbon nanotube and graphene nanocomposites with polyaniline Department of Applied Chemistry, Faculty of Engineering and Technology, ... t Here, we discuss one of the simplest approaches for chemical functionalization of in-situ prepared polyaniline (Pani) and its nanocomposites with multi-walled carbon nanotubes (MWCNT) and graphene ... dropwise under stirring The ultrasonicated sus-pension of MWCNTs (0.15 gm in 100 mL of 1M HCl) was transferred into aniline solution The oxidant was readied by dissolving 14.8 gm K2S2O8in 200 mL of
Ngày tải lên: 17/03/2021, 20:21
Báo cáo hóa học: " Enhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT/water nanofluid on a water chiller syste" docx
... A N O E X P R E S S Open AccessEnhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT/water nanofluid on a water chiller system MinSheng Liu1, ... thermal conductivity of Cu, CuO, and MWNT nanofluids as a function of the volume fraction (a) The normalized thermal conductivity of CuO-ethylene glycol nanofluids as a function of volume fraction; ... thermal conductivity of MWNT-ethylene glycol nanofluids as a function of volume fraction; (c) the normalized thermal conductivity of MWNT-synthetic engine oil nanofluids as a function of volume fraction;
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Evaluation of the nanotube intrinsic resistance across the tip-carbon nanotube-metal substrate junction by Atomic Force Microscopy" pptx
... also nanomotors based on semi-conducting CNTs [2-6] A single-walled carbon nanotube (SWCNT) may behave either as a conductor or as a semiconductor Electrical properties of nanotube are highly dependant ... [9,10] The strength of the sp2 (C-C) covalent hybridization bonds brings carbon nanotubes noteworthy mechanical properties too [11-13] Multi-walled carbon nanotubes (MWCNTs) consist of several concentric ... andElectrical Properties of Nanotubes Annu Rev Mater Res 2002, 32:347. 12 Salvetat JP, Bonard JM, Thomson NH, Kulik AJ, Forró L, Benoit W, Zuppiroli L: Mechanical properties of carbon nanotubes Appl
Ngày tải lên: 21/06/2014, 04:20
Báo cáo khoa hoc:" Effects of multi-walled carbon nanotubes (MWCNT) under Neisseria meningitidis transformation process" pps
... 2Effects of multi-walled carbon nanotubes (MWCNT) under Neisseria meningitidis 2- NanoEng – NanoEngineering and Diamond Laboratory, School of Electrical and Computer Engineering, Department of Semiconductors, ... DNA obtained from isogenic mutants of this microorganism Methods Synthesis of multi-walled carbon nanotubes The carbon nanotubes were produced by the process of hot filament chemical vapor deposition ... Diamond Laboratory (NanoEng) of the Department of Semiconductors, Instruments and Photonics of the UNICAMP School of Electric Engineering and Computer Science The carbon nanotubes were made in a
Ngày tải lên: 11/08/2014, 08:20
Mechanical and failure properties of rigid polyurethane foam under tension
... FAILURE PROPERTIES OF RIGID POLYURETHANE FOAM UNDER TENSION MUHAMMAD RIDHA NATIONAL UNIVERSITY OF SINGAPORE 2007 Trang 2MECHANICAL AND FAILURE PROPERTIES OF RIGID POLYURETHANE FOAM UNDER TENSION ... of polymer foam 6 2.2 Basic mechanical properties of solid foam 7 2.2.1 Compression 7 2.2.2 Tension 8 2.3 Factors influencing mechanical properties of solid foam 9 2.4 Studies on mechanical properties ... Factors influencing mechanical properties of solid foam The mechanical properties of solid foams are influenced by several factors – the mechanical properties of the solid material defining
Ngày tải lên: 14/09/2015, 12:24
Medici simulations of ion beam irradiated silicon under anodization
... 1MEDICI SIMULATIONS OF ION-BEAM IRRADIATED SILICONUNDER ANODIZATION FREDERIC JEAN THOMAS CHAMPEAUX A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF PHYSICS NATIONAL UNIVERSITY OF ... effect of ion irradiation on the flow of hole currentsthrough silicon wafers Computer simulations have offered the advantage of both giving a localized andinside grasp of the physics of ion-irradiated ... height of the structures The of-range of 2MeV helium ions is 7.9µm; 2MeV protons reach a depth of 50µm If thesample is etched deeper than the end-of-range the phenomenon of undercutting isobserved
Ngày tải lên: 26/11/2015, 10:48
DSpace at VNU: A Simple Approach to the Fabrication of Graphene-Carbon Nanotube Hybrid Films on Copper Substrate by Chemical Vapor Deposition
... oC in mixture of gases: argon (Ar), hydrogen (H 2 ), and methane (CH 4 ) Then, carbon nanotubes (CNTs) were grown uniformly on the surface of graphene/Cu films at 750 oC in mixture of Ar, H2, and ... materials[8–11], chemical and biosensing[12–15] The combination of 2D graphene of high charge density and one- dimensional (1D) carbon nanotube (CNT) of large surface area generates a flexible three-dimensional ... to decompose hydrocarbons On the other hand, the lower decomposition rate of methane on Cu (since Cu cannot form carbide with carbon thereby resulting in low solubility of carbon in Cu) allows
Ngày tải lên: 16/12/2017, 04:56