Showing papers in "Current Applied Physics in 2001"

TL;DR: In this paper, a simple and inexpensive method is described for producing conducting patterns of electronic polymers on plastic and paper from computer-designed patterns, which does not involve printing of the conducting polymers.

TL;DR: In this article, an up-to-date report on the main potential of CVD diamond films for industrial applications as well as on recent basic research which seeks to understand diamond deposition microwave plasma reactors.

TL;DR: In this paper, the authors present their previous work that they had carried out just before they reached the discovery of chemical doping, and they do hope their talk will be of use for the audience to deepen their understandings by learning what had happened before and how they did reach the idea of Chemical doping.

TL;DR: In this article, a chemical coating of polypyrrole (PPy) doped with naphthalene sulfonic acid (NSA) on electrically insulating poly (ethylene terephthalate) (PET) woven fabric was synthesized.

TL;DR: Using emulsion polymerization method, polyaniline (PAN)-Na+-montmorillonite (MMT) clay nanocomposites were synthesized as discussed by the authors.

TL;DR: The importance of the discovery of conducting polymers was discussed in this article, where it was argued that they did not (could not) exist and that they offer a unique combination of properties not available from any other known materials.

TL;DR: In this article, the authors synthesize nearly monodisperse bare ZnSe nanocrystallites having luminescence which ranges in wavelength from 340 to 430 nm via nucleation due to supersaturation and growth followed by size selective precipitation.

TL;DR: In this article, an investigation on pure aluminum treated by the Nadezhda-2 HCPEB device is presented, where the extreme surface is melted to a depth of about 1 μm at the input energy density of 3 J/cm 2. Craters, micrometers in size, are formed in the melted surface.

TL;DR: In this article, the structural, electrical, magnetic, and thermal properties for the nanocomposites of polypyrrole (PPy) and inorganic clay (Na+-montmorillonite) prepared by emulsion polymerization were investigated.

TL;DR: In this paper, the Schottky diodes based on Al/poly(3-hexylthiophene), PHT/Au (or indium tin oxide (ITO)) are fabricated with various preparation conditions to elucidate the mechanisms of rectification and photocarrier generation.

TL;DR: The photoinduced electron transfer from semiconducting polymers onto buckminsterfullerene, C60, is reversible, ultrafast with a quantum efficiency approaching unity, and metastable.

TL;DR: In this paper, a room temperature study of the spin lattice relaxation of carbon nanotubes prepared with various catalysts was performed and two components were identified: the fast relaxing component is associated with the absence of damaged or chemically damaged nanobutes damaged by the chemical or mechanical treatments, while the rest of the signal presents a relaxation time of about 90 s corresponding to semiconducting or cut carbon-nanotubes.

TL;DR: In this paper, the temperature dependence of the current-voltage-luminescence characteristics in organic light-emitting diodes (OLEDs) with varying thickness of LiF layers is studied to understand the mechanism of the enhanced electron injection by inserting a thin insulating LiF layer at the tris 8-hydroxyquinoline) aluminum (Alq 3 )-Al interfaces.

TL;DR: In this article, the reflectance of unoriented single-wall carbon nanotube films has been measured over a wide wavelength range (far-IR-UV) and the results are consistent with the film being a mixture of conducting (armchair), small bandgap (n ≡ m, mod 3) and semiconducting nanotubes.

TL;DR: In this paper, the authors describe physical measurements on a unique class of pentacene-based compounds where additional symmetric side groups have been added to enhance their solubility in common organic solvents.

TL;DR: In this paper, a single carbon single-walled nanotube (SWNT) was used to demonstrate the viability of a single-nano-actuator based actuator.

TL;DR: In this paper, the effect of flow field and heat transfer created by interactions between a pair of vortices generated by a vortex generator in a rectangular channel flow was analyzed using the pseudo-compressibility method.

TL;DR: In this article, a well-aligned carbon nanotube field emitter array was constructed by thermal chemical vapor deposition at temperatures below 800∞ Co n Fe nanoparticles deposited by a pulsed laser on a porous Si substrate.

TL;DR: In this paper, the authors studied the transport properties of regioregular poly(3-alkylthiophene) (PAT) films and found that the photocarriers are the holes, and their mobilities decrease and activation energies increase with increasing alkyl chain length.

TL;DR: In this article, the authors show that the electrical properties of single-wall C, BN, and BC3 nanotubes in ideally rolled-up forms show a wide spectrum from truly metals to large band gap semiconductors.

TL;DR: In this paper, the performance and interaction of the title group IB transition metals at the reduced oxygen coordination of MgO surface were investigated using the TD and DFT methods of ab initio molecular electronic structure calculations.

TL;DR: An overview of the magnetic properties and photo-induced magnetism of cobalt-iron Prussian blue analogs is given in this article, where the results for K 1−2x Co 1+x [ Fe ( CN ) 6 ]·y H 2 O (0.2⩽x⩾0.4, y∼5) indicate that the materials are in a cluster glass state.

TL;DR: In this paper, the authors synthesized helical polyacetylene films with left and right-handed screw structures under chiral nematic reaction field and discussed the influence of the chiral reaction field on film properties, morphology, crystal structure, electrical conductivity and optical activity.

TL;DR: In this article, the authors presented the organic electroluminescent devices and lasers of which the colors are tuned by utilizing the Forster excitation energy transfer, and demonstrated color-tunable photoluminescence, electroluminance, and laser emission in the PBSDHFS/PDHFPPV binary and PBSD-HFS-PDH FPPV/DCM ternary blends.

TL;DR: In this paper, hole transport device (HTD) and electron transport devices (ETD) were fabricated to investigate the electrical characteristics of polymer based light emitting diode (LED) devices, and the current density-applied field (J-E ) characteristics of the HTD and ETD with various thickness at different temperatures.

TL;DR: In this article, the authors reviewed recent progress in mass production technologies of multicrystalline silicon (mc-Si) solar cells and showed substantial increase in the worldwide PV market would be expected to increase by the development of low cost and high technologies of MCSi solar cells.

TL;DR: In this article, the authors show that the resistance of single-wall carbon nanotube (SWCN) ropes or mats, and some individual tubes, typically shows a crossover from non-metallic to metallic temperature dependence as temperature increases.

TL;DR: The quasi-classical approach has proved very useful for studying the vortex state of nodal superconductors in high T c cuprates as mentioned in this paper, and the thermal conductivity tensor has been shown to be a tensor tensor in both d-wave and f-wave superconductor.

TL;DR: In this paper, a theoretical framework for the collective Josephson plasma is presented, where the vortex speed can exceed the propagating velocities of the Josephson plasmas due to very weak dissipation.

TL;DR: In this paper, the suitability of various carbon based materials for the electron source in this device, namely tetrahedrally bonded amorphous carbon (Ta-C), nanoclustered carbon and carbon nanotubes, was investigated.