Shedding light on the crystallographic etching of multi-layer graphene at the atomic scale
The controlled etching of graphite and graphene by catalytic hydrogenation is potentially a
key engineering route for the fabrication of graphene nanoribbons with atomic precision …
key engineering route for the fabrication of graphene nanoribbons with atomic precision …
Is there a correlation between catalyst particle size and CNT diameter?
Monodisperse iron oxide particles were deposited on a planar silica transmission electron
microscope (TEM) grid and from TEM and Energy Filtered TEM analyses it is confirmed that …
microscope (TEM) grid and from TEM and Energy Filtered TEM analyses it is confirmed that …
Catalyst size dependencies for carbon nanotube synthesis
We have systematically explored the synthesis parameters in laser evaporation and CVD for
the synthesis of carbon nanotubes. Our findings point to a dependence of the resultant tubes …
the synthesis of carbon nanotubes. Our findings point to a dependence of the resultant tubes …
Nanoengineered catalyst particles as a key for tailor-made carbon nanotubes
Independent control of density and diameter of carbon nanotubes (CNT) is achieved by
catalytic growth from iron nanoparticles pre-defined by inert gas condensation. This two …
catalytic growth from iron nanoparticles pre-defined by inert gas condensation. This two …
On the catalytic hydrogenation of graphite for graphene nanoribbon fabrication
F Schäffel, JH Warner, A Bachmatiuk… - … status solidi (b), 2009 - Wiley Online Library
Recent research into the channelling of few layer graphene via catalytic hydrogenation
using metallic catalyst nanoparticles shows that this technique is potentially a key …
using metallic catalyst nanoparticles shows that this technique is potentially a key …
Uniform large diameter carbon nanotubes in vertical arrays from premade near-monodisperse nanoparticles
Despite the many processes developed for carbon nanotube synthesis, few if any of these
control the carbon nanotube diameter and length simultaneously. Here, we report a process …
control the carbon nanotube diameter and length simultaneously. Here, we report a process …
Tailoring the diameter, density and number of walls of carbon nanotubes through predefined catalyst particles
F Schäffel, MH Rümmeli, C Kramberger… - … status solidi (a), 2008 - Wiley Online Library
We have explored the influence of predefined gas phase prepared catalyst particles on
carbon nanotube (CNT) properties such as their diameter and number of walls. During the …
carbon nanotube (CNT) properties such as their diameter and number of walls. During the …
From multiply twinned to fcc nanoparticles via irradiation-induced transient amorphization
We present experimental evidence for structural transformation of multiply twinned CuAu
nanoparticles to single-crystalline morphology by 0.5 keV helium irradiation. This finding is …
nanoparticles to single-crystalline morphology by 0.5 keV helium irradiation. This finding is …
Height and diameter dependence of carbon nanotube forests on the porosity and thickness of catalytic layers
Syntheses of highly ordered carbon nanotube (CNT) forests were studied from the aspect of
the quality of CNTs and the properties of Fe-Co catalyst. CNT forests were grown by catalytic …
the quality of CNTs and the properties of Fe-Co catalyst. CNT forests were grown by catalytic …
Effect of B and Sn on Ni catalysts supported on pure-and on WO3/MoO3-modified zirconias for direct CH4 conversion to H2
RL Martins, MAS Baldanza, AL Alberton… - Applied Catalysis B …, 2011 - Elsevier
Methane cracking for hydrogen production was studied over monometallic/bimetallic Ni
catalysts supported on pure or WO3/MoO3-modified zirconias. The catalysts were reduced …
catalysts supported on pure or WO3/MoO3-modified zirconias. The catalysts were reduced …