[PDF] Top 20 Role of extrinsic atoms on the morphology and field emission properties of carbon nanotubes

... Carbon nanotubes 共CNTs兲 have drawn great attention in the whole scientific world for their superior electronic prop- erties as an electron source for field emission ...1,2 The ... See full document

... Typical emission characteristics of carbon nanotubes are shown in ...turn-on field strength of The morphology of the films was analyzed using a ... See full document

... that the CNFs arise directly from the CNTs because of the similarity between the graphitic layer distance in the CNTs and the ...mounted on the TEM ... See full document

... end of CNTs. The atoms at the capped region are able to provide more states to accommodate the redistributed ...charge. The field penetration into the ... See full document

... Results and discussion 3.1. Effect of bias on the growth of CNTs ...photographs of deposition prod- ucts grown for 10 min at various biases. The SEM photograph shown in ... See full document

... Effect of metallic cobalt particles size on occurrence of CO ...disproportionation. Role of fluidized metallic cobalt-carbon solution in carbon nanotube ...Kinetic ... See full document

... workfunctions of single-walled carbon nanotubes (5,5) (SWNTs) with various geometries and adsorbates under external electric field have been calculated by the ab initio ... See full document

... to the previous results, the turn-on field reduced from ...that the delivered laser pulses have effects similar to laser energy density in enhancing the film emission ... See full document

... 共1D兲 carbon nanotubes 共CNTs兲 have attracted many research groups in developing technologies and theories for nano-optoelectronic applications such as single-electron transistors, 1 field ... See full document

... without the Au NPs the CNCs would not ...critical role in the ...at the temperatures employed in this investigation. The liquid-phase metal acts as not only a C 2 H 2 ... See full document

... functionalize the surface and to modify the structures of multi-walled carbon nanotubes (CNTs) grown on silicon substrates by thermal chemical vapor deposition (thermal ... See full document

... diameter on average. Its SEM morphology is shown in Fig. 2a, where the right-bottom corner of the film was ...scratched. The figure indicates that the nano- tubes are ... See full document

... synthesize carbon nanotubes (CNTs). Methane (CH4) was the main source for carbon, and argon (Ar) was used as the carrier ...from carbon atoms obtained from ... See full document

... grow carbon nanotubes (CNTs). Silane was the main source for carbon, and argon was used as the carrier ...from carbon atoms obtained from catalytic thermal ... See full document

... examine the consequence of replacing hydrogen gas with high substrate bias, processes were successfully demonstrated to fabricate various carbon catalyst-assisted nanostructures, including ... See full document

... well-separated, and aligned carbon nanotubes have been prepared via bias-enhanced microwave plasma chemical vapor ...deposition. The turn-on fields defined at the emission ... See full document

... report the observation of enhanced field emission properties from thiolated multi-wall carbon nanotubes (MWCNTs) produced by a simple and effective two-step ... See full document

... that the field emission characteristics of CNT emitters will suffer from residue moisture ...adsorption. The SCCO 2 fluids have high mass transfer rates, zero surface tension, ... See full document

... spectra of samples grown on H plasma-pretreated Cr 2 film pretreated for various ...image of the end section of an individual ...tration of hydrogen plasma and a high ... See full document

... Department of Materials Science and Engineering, National Chiao-Tung University, 300 Hsin-Chu, Taiwan, ROC b Institute of Materials Research and Development, Chun-Shan Institute of ... See full document