Microengineered conducting composites from nanochannel templates

Huber, Christian; Sadoqi, Mostafa; Huber, T. E.; Chacko, Daborah

doi:10.1002/adma.19950070316

Cited by 26 publications

(13 citation statements)

References 18 publications

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“…1 This technique has been applied to fabricate a variety of metal and semiconductor nanowires arrays. [2][3][4] The HPI technique was successfully applied by Gurtvitch 5 to the synthesis of single nanowires of Bi in glass pipes. There are other template-based methods for making Bi nanowires.…”

Section: Introductionmentioning

confidence: 99%

Processing and Characterization of High-conductance Bismuth Wire Array Composites

et al. 2000

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We fabricated Bi nanowire array composites with wire diameters from 30 to 200 nm by high-pressure injection (HPI) of Bi melt into porous anodic alumina templates. The composites were dense, with Bi volume fraction in excess of 50%. The parallel Bi nanowires, whose length appeared to be limited only by the thickness of the host template (up to 55 m), terminated at both sides of the composite in the Bi bulk. The individual Bi nanowire crystal structure was rhombohedral, with the same lattice parameters as that of bulk Bi; the wires in the array were predominantly oriented with the trigonal axis along the wire length. Low contact resistance was achieved by bonding the composite to copper electrodes.

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Section: Introductionmentioning

confidence: 99%

Processing and Characterization of High-conductance Bismuth Wire Array Composites

et al. 2000

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“…In this calculation we use the index of refraction and absorption coefficient of the MCP glass as given above. The optical constants of bulk In metal (em) in the far-infrared are taken from the measurements of Golovashkin et al' 8 We adopt their modification of the Drude model for the weak anomalous skin effect. Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Our previous work has demonstrated the feasibility of injecting porous dielectrics of characteristic pore diameter as small as 5 nm with some selected low melting point materials (Se, Te, In) and alloys (Bi 2 Te 3 ) by pressure-forcing their melts into the interconnected pores. 8 The MCP samples 9 were cleaned by subsequently washing in acetone, methanol, and distilled H 2 0, and then dried at 150 'C for several hours; they were injected with the In melt at 400 'C and 60,000 psi. The composite samples were mechanically polished in the shape of a plate with the wires running perpendicular to the plate surface.…”

Section: Methodsmentioning

confidence: 99%

Optical Properties of Metal Wire Array Composites

Luo

Huber

1996

MRS Proc.

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According to effective medium theories, electrically conducting composites consisting of parallel metal wires embedded in a transparent dielectric can propagate light in the direction of the wire length. We have prepared densely packed arrays (76% volume fraction) of 10-rim diameter indium wires by high pressure injection of glass microchannel plates. For wavelengths longer than 100 Rtm (k<100 cm-) the absorption of the wire array is almost three orders of magnitude smaller than that of an indium foil of equal thickness. The measured absorption increases as k°' 45 -0 7 and can be accounted for by including magnetic dipole effects.

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“…Studies of novel materials at the nanometer scale have been the most important and challenging task in the modern material science, which involves nanoparticles, nanowires, nanotubes and their significant roles in medicines, biomedical engineering, environmental applications, and surface science [5 -7]. The recent advances of nanotechnology have opened up research opportunities on materials with ultrafine nanostructures [8,9]. The nanostructures with large specific surface area could provide an important and feasible platform for catalysis [10], separation [11], sorption [12], sensing [13,14], and fuel cells [15,16].…”

Section: Introductionmentioning

confidence: 99%

Nanocomposites: From Fabrications to Electrochemical Bioapplications

Xiao

2008

Electroanalysis

147

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Nanostructured materials including nanoparticles, nanowires, nanobands and carbon nanotubes (CNT) have been intensively investigated due to their fantastic size effect and superior chemical and physical properties and functions. Nanocomposites can be fabricated not only with different nanostructured materials, but also with various biomolecules and conducting polymers to possess unique hybrid properties characteristic of neither the incorporated components nor the host matrices. The nanocomposites may be confined in nanoscale domains in one, two, or three dimensions for the unusual size-dependent behavior. The synergistic effects of the components lead to broad bioapplications of the nanocomposites such as biosensors, drug delivery systems and biofuel cells. A review of studies on nanocomposites from design, fabrication to their biocompatibility and electrochemical bioapplications is presented.

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Microengineered conducting composites from nanochannel templates

Cited by 26 publications

References 18 publications

Processing and Characterization of High-conductance Bismuth Wire Array Composites

Processing and Characterization of High-conductance Bismuth Wire Array Composites

Optical Properties of Metal Wire Array Composites

Nanocomposites: From Fabrications to Electrochemical Bioapplications

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