Formation and Raman spectroscopy of single wall carbon nanotubes synthesized by CO2 continuous laser vaporization

Carbon Nanotubes: An Emerging Drug Carrier for Targeting Cancer Cells

“…In a study, Maser et al used continuous wave 250 W CO 2 laser operating at 10.6 μ m wavelength to evaporate graphite/bimetal targets and produced high densities bundles of SWCNTs [ 58 ] while Yudasaka et al showed an improved yield of SWCNTs by pulsed laser over a continuous one [ 59 ]. Zhang et al studied the effect of laser frequency and laser power (or temperature) on the diameter distribution of SWCNTs [ 60 ].…”

Modeling and Characterization of the Nucleation and Growth of Carbon Nanostructures in Physical Synthesis

“…Generally, physical synthesis consists of an ablation step (e.g., via sputtering, lasing, or combustion) to generate a hot, highly out-of-equilibrium gas, followed by the subsequent cooling of the ablated species, which leads to gas condensation and the formation of nanostructures. Laser ablation has been used to generate dense graphitic and diamond-like parti-cles [ 10,11 ] in liquid as well as single-walled carbon nanotubes [ 12,13 ] and fullerenes [ 14 ] in gas. In addition, thin films of amorphous carbon were obtained using magnetron sputtering [ 15,16 ].…”

Surfactant-free route to hexagonal CdS nanotubes under ultrasonic irradiation in aqueous solution at room temperature

“…Numerous methods have been used to prepare nanotubes, such as catalytic pyrolysis [16], electric arc discharges [17], laser ablations [18], chemical vapor depositions [19], surfactant-assisted techniques [15], solvothermal methods [20,21] and hydrothermal formations [22,23].…”