The morphologies of highlygraphitic carbon nanotubes were. A qualitative relationship between the peak intensities of the xrd patterns and the degrees of nanotube alignments was established. Xray diffraction as a tool for the determination of the structure. Over the past many decades there has been a sudden growth in the field of research and advancement related to the nanomaterials. Xray diffraction xrd studies were performed on carbon nanotubes cnts with various alignment degrees synthesized by catalytic pyrolysis of ferrocene and xylene. The xray diffraction xrd patterns showed periodic arrangement of the tubes in the ropes. The applying the xrd technique disclosed that compounds crystallinity significantly changed upon addition of multi walled carbon nanotubes. Synthesis, properties, and applications of carbon nanotubes annu. Among all the nanomaterials, a material by name carbon nanotubes has led the way in terms of its captivating structure and also its ability to furnish specific applications ranging from the electronics to the energy. Arc discharge method10 arc discharge method has been reported for producing carbon nanotubes. View carbon nano tubes research papers on academia. Ranging from single carbon nanotubes to aggregates of cnts xray scattering may offer structural information which can be crucial in order to design new materials based on carbon nanotubes.
Effects of graphene nanoplatelets and multiwall carbon nanotubes. The production of carbon nanotubes can be done by plasma based synthesis method or arc discharge evaporation method, laser ablation method, thermal synthesis process, chemical vapor deposition and. Highly dense and perfectly aligned singlewalled carbon. Microstructure analysis of the carbon nano tubesaluminum composite with different manufacturing conditions. Xray scattering, waxs, saxs, carbon nanotubes, polymer nanocomposites. Th ose nano tubes th at are from 2d layered compou nds may pr oduce sh arp diffr action spo ts, wher eas fro m 3d is o tropic materials, xrd pattern appears as a set of diffuse di f. Carbon nanotubes cnts drew a remarkable attention from their first discovery. Chemical com position and crystallographic structure of the aucnt composites was confirmed by xray diffraction xrd.
Xray diffraction characterization on the alignment degree. Nanotubes carbon nanotubes are classified in following two types, 1, 9 swnts single walled carbon nanotubes mwnts multiple walled carbon nanotubes comparision between swnt and mwnt is as presented in table 1. Synthesis and characterization of carbon nanotubes decorated. Behavior of xray analysis of carbon nanotubes intechopen. Swnts hdpaswnts form a twodimensional triangular lattice with a lattice. The homogeneous distributions of fe and co in the isolated nanoparticles were evidenced confidentially by bulk and surface structural and compositional characterizations, that is, scanning electron microscopy, highresolution transmission electron. We report the synthesis, characterization, and catalytic performance of fe. Review article carbon nanotubes and its applications. Effect of the morphology and structure on the microwave. Pdf carbon nanotubes characterization by xray powder. Carbon nanotubes are basically graphite molecule rolled into tubes at molecular level. The similarity of the xray diffraction data by journet et al. The carbon nano tubes mw cnts were synthesized b y the c hemical flame deposi tion method by using liquefied petroleum gas as a source o f carbon on the surfa ce of iron as su pported for pr. Co alloy nanoparticles inside the tubular channel of carbon nanotubes.
Terrones, science and technology of the twentyfirst century. Xray diffraction xrd indicates that the highly dense and perfectly aligned. This video describes carbon allotropes and carbon nanotubes. For graphite there are commonly accepted characterisation methods, such as raman and xray diffraction xrd, in order to quantify the level of crystallinity in. Xray scattering applied to the analysis of carbon nanotubes. Like diamond molecules, this form of carbon becomes very strong. Pdf a premixed flame burner system was utilised to synthesise carbon nanotubes cnts. Pdf tem and xrd analysis of carbon nanotubes synthesised. This is attributed to their unique features, such as mechanical properties, electric properties, thermal stability. It features research at the university of western australia into the use of carbon nanotubes in sensors for explosives.
713 104 1556 615 738 1162 970 1344 1598 181 383 1218 1201 619 1433 1363 883 1374 580 344 993 1248 1427 24 614 1207 1292 448 615 805 605 188 198 960 627 52 596 626 599 1444 1004 921 166 160 303 1279 1390 1295 1475 1325