pyrolytic carbon nanotubes from vapor grown carbon fibers

... single-wall and multi-wall carbon nanotubes The experimental results obtained on these carbon nanotubes are surveyed together with computer modeling of the STM images of carbon nanotubes and the role ... Veronese 61 Non catalytic CVD growth of 2D-aligned carbon nanotubes N I Maksimova, J Engstler and J J Schneider 63 Pyrolytic synthesis of carbon nanotubes on Ni, Co, Fe/ɆɋɆ-41 catalysts K Katok, ... of carbon nanotubes V N Popov and Ph Lambin ……….69 Raman scattering of carbon nanotubes H Kuzmany, M Hulman, R Pfeiffer and F Simon ……….…….89 Raman spectroscopy of isolated single-walled carbon...

Ngày tải lên: 04/06/2014, 15:13

... Materials, 19, 479-483 228 Carbon Nanotubes - From Research to Applications Lee, J U.; Huh, J.; Kim, K H.; Park, C & Jo, W H (2007) Aqueous Suspension of Carbon Nanotubes via Non-Covalent ... Defect-Mediated Functionalization of Carbon Nanotubes as a Route to Design Single-Site Basic Heterogeneous... recently explored to functionalize 212 Carbon Nanotubes - From Research to Applications ... length of sequence, enabling not only to seperate 222 Carbon Nanotubes - From Research to Applications metallic fractions from semiconducting tubes but also to perform a diameter-dependent......

Ngày tải lên: 29/06/2014, 13:20

... nitrogen-doped or undoped carbon nanotubes indicates that nitrogen-doped carbon nanotubes are less harmful and more biocompatible than the undoped nanotubes (Terrones, 2007) For undoped carbon nanotubes, a ... Trang 1CARBON NANOTUBES - FROM RESEARCH TO APPLICATIONS Edited by Stefano Bianco Trang 2Carbon Nanotubes - From Research to Applications Edited by Stefano ... carbon nitride nanotubes: dependence on diameter and helicity Small, Vol.4, No.4, (April 2008), pp 437–441, ISSN 1613-6810 Yao, Y (2010) Hydrogen storage using carbon nanotubes, In: Carbon Nanotubes,...

Ngày tải lên: 29/06/2014, 13:20

... zigzag nanotubes Two minimum energy positionsare found in the conduction band for zigzag nanotubes, (n, 0) measured from the energy at the K point Open circles denote metallic carbon nanotubes ... zigzag nanotubes, ES semicon-11 comes respectively,from the K–Γ and K–M lines,while ES 22comes from K–M and K–Γ and so on In the case of (3n, 0) metallic zigzag nanotubes,the DOS peaks come from ... two kinds of SWNTs which have mirror symmetry: zigzag nanotubes (n, 0),and armchair nanotubes (n, n). The other nanotubes are called chiral nanotubes,and they have axial chiralsymmetry The general...

Ngày tải lên: 07/09/2020, 14:39

... nanoparticles embedded in N-doped carbon fibers derived from natural silk fibers Benefiting from the one-dimensional nanostructure, the well-dispersed Trang 3KEYWORDS silk; carbon fibers; cobalt nanoparticles; ... elements: carbon, nitrogen and cobalt The carbon and nitrogen belong to the N-doped carbon fibers, which matched very well, verifying that the nitrogen is homogenously doped in the carbon matrix ... cobalt-N-doped nanocarbon hybrids in a robust and eco-friendly manner It is highly desirable to design and synthesize metallic cobalt nanoparticles embedded in one-dimensional N-doped carbon fibers as...

Ngày tải lên: 19/11/2022, 11:36

... column tests (RSSCT) results, ironpreloaded carbon could get over 200 times longer bed life than non-modified carbon Although iron-modified activated carbon (AC-Fe) is known as a good adsorbent, ... aims to study the removal of arsenic from synthetic groundwater using an adsorption column by sequential combination of laterite (LA) and iron-modified activated carbon (AC-Fe) as adsorbents The ... feasible approach for arsenic treatment from groundwater for ready applicability in rural areas Keywords: adsorption, arsenic, breakthrough, iron-modified activated carbon, isotherm, laterite INTRODUCTION...

Ngày tải lên: 05/09/2013, 09:38

... rice husk carbon (RH-Fe)- which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] and As[V] from simulated ... husk carbon and its activated form was lesser by approximately 4.8-5.5 times as compared to that of the calcium-modified rice husk carbon (Mondal et al., 2007b) Since the untreated rice husk carbon ... quaternized rice husk was 19 mg/g Mondal et al (2007b) reported that both rice husk carbon (RH) and activated carbon (GAC) had lesser arsenic removal capacity, which could be considerably improved...

Ngày tải lên: 05/09/2013, 09:38

... nanoparticles Part II Carbon nanotubes as nanofillers Trang 3Allotropic forms of CarbonCurl, Kroto, Smalley 1985 Iijima 1991 graphene (From R Smalley´s web image gallery) Trang 4- Single-wall nanotubes ... (From R Smalley´s web image gallery) Trang 4- Single-wall nanotubes (SWNTs)- Multi-wall nanotubes (MWNTs) Carbon Nanotubes ~ 1-2 nm Few microns TEM images of various MWNTs ~ 2 - 50 nm Trang 5Properties ... (cont’)• Laser vaporization – First used Smalley Group in 1995 – Use He or Ar gas and maintain 500 torr – Use laser, vaporize graphite Trang 8Synthesis methods of CNT (cont’)CVD (Chemical vapor deposition)...

Ngày tải lên: 23/10/2013, 19:15

... Trang 1ISSN 1725-2237Air pollution impacts from carbon capture and storage (CCS) Trang 3Air pollution impacts from carbon capture and storage (CCS)Trang 4European Environment ... presented in this report Trang 7Executive summaryBackground Carbon Capture and Storage (CCS) consists of the capture of carbon dioxide (CO2) from power plants and/or CO2-intensive industries such ... an energy baseline to 2050 constructed from the PRIMES EU energy forecast to 2030 and extrapolated to 2050 using a low carbon climate mitigation scenario from the TIMER/IMAGE models. Trang 11Figure...

Ngày tải lên: 17/02/2014, 10:20

... GLOBAL CARBON DIOXIDE EMISSIONS FROM CEMENT MAKING 316 4.1 Carbon Dioxide Emissions from Calcination 317 4.2 Carbon Dioxide Emissions from Fuel Use 317 4.3 Carbon Dioxide Emissions from ... industry Estimated total carbon emissions from cement production in 1994 were 307 million metric tons of carbon (MtC), 160 MtC from process carbon emissions, and 147 MtC from energy use Overall, ... Total Carbon Dioxide Emissions from Cement Production 318 5 REDUCTION OF CARBON DIOXIDE EMISSIONS 319 5.1 Energy Efficiency Improvement 319 5.2 Replacing High-Carbon Fuels with Low-Carbon...

Ngày tải lên: 17/03/2014, 19:20

... anatase – carbon nanotube mixture as a function of carbon nanotube amount 62 3-15 Direct comparison of dye degradations by anatase nanocoated carbon nanotubes, rutile nanocoated carbon nanotubes ... anatase nanocoated carbon nanotubes and Degussa Aeroxide®P25 with UV-A irradiation 65 Trang 10x carbon nanotubes 66 3-18 Photocatalytic dye degradation by anatase nanocoated carbon nanotubes with ... array of such nanotubes that are concentrically nested like rings of a tree trunk [73,74] Carbon nanotubes are usually made by carbon-arc discharge, laser ablation of carbon, or chemical vapor deposition...

Ngày tải lên: 20/03/2014, 13:06

... Possible growth processes have VAPOR- GROWN CARBON FIBERS AND PYROLYTIC CARBON NANOTUBES Vapor- grown carbon fibers have been prepared by catalyzed carbonization of aromatic carbon species using ultra-fine ... Pyrolytic carbon nanotubes from vapor- grown carbon fibers a t b Fig Heat-treated pyrolytic carbon nanotube and enlarged one (inserted), without deposited carbon Fig Coexisting vapour -grown carbon ... Preface: Carbon nanotubes , , ix M ENDO, K TAKEUCHI, K KOBORI, K TAKAHASHI, H W KROTO and A SARKAR: Pyrolytic carbon nanotubes from vapor- grown carbon fibers ...

Ngày tải lên: 05/03/2014, 15:21

... htη Yt At (37) Equation (35) is derived from equation (33) and (17); equation (36) is derived from equation (10) and (15); equation (37) is derived from equation (13) Thus, the currentvalue ... the same as that of per capita output, so from equation (20) the interest rate at the equilibrium stays stationary as r = (ε g + ρ ) − sk 1−τ k (26) From equation (16), we get the steady-state ... and Howitt (1999), the growth in leading-edge productivity parameter At results from the knowledge spillovers from vertical innovations More specifically, the growth rate of technology is assumed...

Ngày tải lên: 10/11/2015, 11:07

... PTPN13 KIND Spir-2 KIND v-KIND KIND2 v-KIND KIND1 GST PD from purified MAP2 Input (MAP2) PTPN13 KIND Spir-2 KIND v-KIND KIND2 v-KIND KIND1 PD from cerebellar lysates GST A Input (cerebellum) Core ... v-KIND from mouse cerebellar lysates (input) by bacterially expressed GST-fused MAP2 derivatives, followed by immunoblotting (IB) with anti-v-KIND serum Immunoprecipitation assay (IP) of v-KIND from ... dendrites within 150 lm from the soma compared to wild-type v-KIND-transfected neurons (Fig 7B) In addition, L474A-transfected neurons had more dendritic branches at 90–140 lm from the soma compared...

Ngày tải lên: 14/02/2014, 19:20

... Fig Deviation from the theoretical secondary structure average composition Differences are calculated for each fusion and each kind of structure by comparing the percentages derived from experimental ... sum of the Table Apparent Mr of IDPs-GFP, IDPs and GFP derived from SDS PAGE and gel ltration Hydrodynamic radii were inferred from the apparent molecular mass according to Uversky [46] ND, ... were analyzed by MS MS (Fig S3) The Mr, as determined by MS, of band a from NTAIL-GFP was 31.6 kDa and that of band b from PNT-GFP was 30.8 kDa Sequencing showed that these protease-resistant...

Ngày tải lên: 18/02/2014, 04:20

... Experimental procedures Materials EGF (ultra-pure) from mouse submaxillary glands was purchased from Toyobo Co., Ltd (Osaka, Japan) Fetal bovine serum came from GibcoBRL (Auckland, New Zealand) Phenylmethylsulfonyl ... obtained from Sigma (St Louis, MO) RPMI-1640 medium was from Nissui Pharmaceutical Co., Ltd (Tokyo, Japan) Antibodies used and their sources were as follows: anti-Bad and anti-Bax, from BD Transduction ... (N-19), and anti-(b-actin) (C-11) from Santa Cruz Biotechnology, Inc (Santa Cruz, CA); anti-(ACTIVE MAP kinase), from Promega (Madison, WI); anti-(a-tubulin) (B-5-1-2), from Sigma; swine horseradish...

Ngày tải lên: 19/02/2014, 06:20

... have prevented the primary sector in India from realizing growth benefits from FDI The scope for linkage intensive activities and associated benefits from spillovers tends to be wider in the manufacturing ... emanates from the cointegrated relationship between the variables.20 In the light of significant changes in the structure of FDI in post-reform India (Section III), this paper deviates from the ... For the long run, the hypothesis of no causality from output to FDI stocks is rejected at the one percent level; the hypothesis of no causality from FDI stocks to output is rejected at the five...

Ngày tải lên: 21/02/2014, 01:20

... seven analyses are not shown to conserve space, and are available from the authors on request Figure shows the maximum local R2 from all seven GWR analyses The broad pattern introduced in Figure ... releases, which is the most significant measure from the non-spatial results, and covers most regions of the country that have the greatest improvement from including pollution measures Two large ... conserve space Further information is available from the authors The local R2 values are higher than those for cancer mortality shown in Figure 3, ranging from 0.09 to 0.79, although the spatial pattern...

Ngày tải lên: 06/03/2014, 23:20