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Article
Open AccessDriving fiber diameters to the limit: nanoparticle-induced diameter reductions in electrospun photoactive composite nanofibers for organic photovoltaics
Electrospun photoactive nanofibers hold significant potential for enhanced photon absorption and charge transport in organic photovoltaics. However, electrospinning conjugated polymers with fiber diameters com...
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Chapter and Conference Paper
Field emission from iron-filled carbon nanotubes observed in-situ in the scanning electron microscope
Carbon nanotubes (CNTs) have been found to be very good field emitters with low turn-on fields and high current densities [1]. This has made them attractive as possible electron sources in, for example, cathod...
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Article
Structure, transport and field-emission properties of compound nanotubes: CNx vs. BNCx (x<0.1)
Transport and field-emission properties of as-synthesized CNx and BNCx (x<0.1) multi-walled nanotubes were compared in detail. Individual ropes made of these nanotubes and macrofilms of those were tested. Before ...
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Article
Mössbauer Study of Iron-Containing Carbon Nanotubes
57Fe transmission Mössbauer at temperatures between 18 and 298 K and magnetic measurements have been used to characterize Fe-filled carbon nanotubes which were prepared by pyrolisis of Ferrocene + C60 at atmosph...
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Article
N-do** and coalescence of carbon nanotubes: synthesis and electronic properties
Self-assembly pyrolytic routes to large arrays (<2.5 cm2) of aligned CNx nanotubes (15–80 nm OD and <100 μm in length) are presented. The method involves the thermolysis of ferrocene/melamine mixtures (5:95) at 9...
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Chapter and Conference Paper
Mössbauer Study of Iron-Containing Carbon Nanotubes
57Fe transmission Mössbauer at temperatures between 18 and 298 K and magnetic measurements have been used to characterize Fe-filled carbon nanotubes which were prepared by pyrolisis of Ferrocene + ...
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Chapter
Novel Nanostructures: from Metal-Filled Carbon Nanotubes to MgO Nanoferns
Recently, numerous advances have been achieved by the fullerene/nanotube team at Sussex. Formerly, arc discharge techniques provided a unique method for generating fullerenes and carbon nanotubes. However, the...
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Chapter
Novel Nanostructures: from Metal-Filled Carbon Nanotubes to MgO Nanoferns
Recently, numerous advances have been achieved by the fullerene/nanotube team at Sussex. Formerly, arc discharge techniques provided a unique method for generating fullerenes and carbon nanotubes. However, the...
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Chapter
“Common and Disparate Elements in Filament and Nanotube Growth”
Filaments are characterized by:
An elongated structure,which is multi-walled, quite thick, and usually possess a fishbone or a more complicated orientation of the graphene plan...
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Article
Generation of hollow crystalline tungsten oxide fibres
Hollow fibres of crystalline W18O49, arranged in a pine-tree-like structure, were generated by heating WS2 powder in oxygen. SEM, TEM, X-ray and electron diffraction studies show that the individual fibres are co...
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Article
A novel route to aligned nanotubes and nanofibres using laser-patterned catalytic substrates
We describe the generation of aligned carbon nanotube bundles and films by pyrolysis of solid organic precursors (for example 2-amino-4,6-dichloro-s-triazine, s-triaminotriazine) at 950–1050 °C over laser-pattern...
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Article
Advances in the Creation of Filled Nanotubes and Novel Nanowires
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Article
Solid-phase production of carbon nanotubes
C3) are heated to 1000–1100 °C for 2–4 hr in an argon flow. Carbon nanotubes are formed when metal powders, e.g. Fe, Co, Y and Ni, are also present.
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Article
Thermolysis of C60 thin films yields Ni-filled tapered nanotubes
and Ni deposited on a silica plate at 950 °C. High-resolution transmission electron microscopy (HRTEM) studies reveal that these tapered structures are almost completely filled with Ni and are closed at both ...
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Article
Novel nanotubes and encapsulated nanowires
mixtures. Prolonged electron irradiation of these nanowires leads to axial growth and to dynamic transformations. These observations suggest ways in which materials may be modified by microencapsulation and i...
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Article
Controlled production of aligned-nanotube bundles
Carbon nanotubes1,2 might be usefully employed in nanometre-scale engineering and electronics. Electrical conductivity measurements on the bulk material3,4, on individual multi-walled5,6 and single-walled7 nanotu...