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Showing papers in "Synthetic Metals in 2000"


Journal ArticleDOI
TL;DR: In this article, a non-mechanical, electrostatic spinning (electrospinning) technique was used to produce polyaniline fiber mat for de-doping and redoping with camphorsulfonic acid (PAn).

551 citations


Journal ArticleDOI
TL;DR: In this paper, the authors investigated the effect of electrochemical oxidation of poly(3,4-ethylenedioxythiophene) (PEDOT) by cyclic voltammetry combined with conductivity measurements, UV-vis-NIR and Raman spectroelectrochemical studies.

344 citations


Journal ArticleDOI
TL;DR: In this article, shaped voltage pulses are applied to polypyrrole linear and bilayer actuators to generate strain rates of up to 3% s y1, with peak power to mass ratios of 39 W kg y1 of polymer, nearly matching mammalian skeletal muscle.

291 citations


Journal ArticleDOI
TL;DR: In this article, the conductivity of reprotonated PANI/TiO2 composite film cast from its suspension in m-cresol and chloroform is higher than that of the film cast using its chloro-form suspension due to well-extended conjugation chain of PANI.

285 citations


Journal ArticleDOI
TL;DR: In this article, a systematic study was performed to investigate the interconversion between pernigraniline (PB) PANI form to emeraldine (EB) one, and from EB to leucoemeraldine (LEB) by ultraviolet/visible (UV/Vis) spectroscopy.

267 citations


Journal ArticleDOI
TL;DR: In this article, drift mobilities in vacuum deposited films of tris(8-quinolinolato)aluminum (Alq3), a triphenylamine derivative (TPD) and a naphtyl-substituted benzidine derivative (α-NPD) were measured using a time-of-flight (TOF) technique.

228 citations


Journal ArticleDOI
TL;DR: In this paper, a light-emitting diodes have been prepared by depositing three organic layers successively by spin-coated and evaporation techniques, and the combination of polymeric and monomeric organic layers leads to highly efficient devices, opening new ways to modify device architectures.

209 citations


Journal ArticleDOI
TL;DR: In this article, a spin coating of poly(methyl methacrylate)-single-walled nanotubes (PMMA-SWNTs) composite was produced by spin coating using different nanotube concentrations.

204 citations


Journal ArticleDOI
TL;DR: In this article, the authors performed density-functional-based tight-binding calculations to search for adsorption sites and predict the maximum hydrogen storage capacity in carbon nanotubes.

202 citations


Journal ArticleDOI
TL;DR: In this paper, a comparison of the work functions of thin films of indium tin oxide (ITO), carried out by means of ultraviolet photoelectron spectroscopy (UPS) and by measurements of the contact potential difference with respect to a gold reference electrode (Kelvin probe (KP) method), is reported.

192 citations


Journal ArticleDOI
TL;DR: In this paper, nano-structures composed of polyaniline (PANi) have been prepared by chemical and electrochemical oxidative polymerization of aniline within the pores of particle track-etched membranes (PTM).

Journal ArticleDOI
TL;DR: In this paper, the authors evaluated the stress generated by different actuator designs and found that the most suitable design for scale-up to practical actuator devices was based on a bundled fibre arrangement where the PPy was first coated onto Pt-coated polyester fibres.

Journal ArticleDOI
TL;DR: In this paper, a series of electrochemical measurements, including corrosion potential and corrosion current has been made on polyaniline-coated iron samples in various environments, and the results showed that polyanILine can offer some degrees of protection in the corrosive environments.

Journal ArticleDOI
TL;DR: In this paper, the surface-enhanced Raman spectroscopy (SERS) was initially assigned to be the CH in plane deformation of oxidized polypyrrole (PPy), and a systematic study was carried out to confirm this assignment.

Journal ArticleDOI
TL;DR: In this article, a co-doped polyaniline (PANI) was obtained, which is soluble in common organic solvents such as chloroform, and exhibits, without any additional doping, a higher conductivity than the insoluble HCl-Doped PANI compressed pellet, and much higher conductivities than that prepared from pure ANIDBSA.

Journal ArticleDOI
TL;DR: In this paper, the effect of polypyrrole (PPy) in acrylic paint on corrosion protection of a magnesium alloy was investigated using both salt spray and electrochemical tests.

Journal ArticleDOI
TL;DR: In this article, water-dispersible composites of polyaniline (PANI) and poly(N-vinylcarbazole) with nanodimensional ZrO2 were prepared.

Journal ArticleDOI
Nan-Xing Hu1, Shuang Xie1, Zoran B. Popović1, Beng S. Ong1, Ah-Mee Hor1 
TL;DR: A variety of 5,11-diaryl-5, 11-dihydroindolo[3,2-b] carbazole derivatives have been synthesized for use as hole-transport layers in organic light-emitting devices (OLED).

Journal ArticleDOI
TL;DR: In this paper, a system for depositing the light-emitting polymers (LEP) poly( para -phenylene vinylene) (PPV) for a green or a red emitter with a conventional ink jet head followed by spin-coating of poly(di-octyl fluorene) (F8) for an electron-transferring layer or a blue emitter.

Journal ArticleDOI
TL;DR: The photophysics of polyphenylenevinylene (PPV) polymers with large dendritic sidegroups under both isolated chain and aggregated chain conditions were studied in this article.

Journal ArticleDOI
TL;DR: In this paper, the correlation between polymer microstructure and charge carrier mobility in high-mobility, self-organised field effect transistors of poly-3-hexyl-thiophene (P3HT) was investigated.

Journal ArticleDOI
TL;DR: In this article, azo-dye photo-induced translation diffusion model for surface-relief gratings has been proposed and experimental evidence of a migration of the chromophores from high to low intensity regions is provided.

Journal ArticleDOI
TL;DR: The first organic light-emitting diode with both an electronrich columnar liquid crystal as hole transport material and an electron-deficient fluorescent columnar L 1 (FL1) as electron transport material was presented in this article.

Journal ArticleDOI
TL;DR: In this article, stable polyaniline-dodecyl benzene sulfonic acid (PANI-DBSA) aqueous dispersions were obtained by a unique method of aniline polymerization in the presence of DBSA, through an anilinium-DB SA complex appearing as solid needle-like particles, in an aquequeous medium.

Journal ArticleDOI
TL;DR: In this paper, a review summarizes the aspects of utilization of a high-resolution 2-mm waveband electron paramagnetic resonance (EPR) spectroscopy combined with the modified methods of spin label and probe, steady-state saturation of spin-packets and saturation transfer in the study of conducting polymers.

Journal ArticleDOI
TL;DR: In this article, the application of conductive immiscible polymer blends as sensor materials for detection of organic liquid solvents and of their vapors was discussed, where they were used to produce a series of electrically conductive filaments by a capillary rheometer process.

Journal ArticleDOI
TL;DR: In this paper, in situ grazing incidence diffraction with water used as an electrolyte was used for dedoping and redoping of p-toluene sulfonate doped poly(3,4-ethylenedioxythiophene) (PEDOT).

Journal ArticleDOI
TL;DR: In this paper, a doping mechanism of lithium ion through the interaction with a nitrogen at the imine site is proposed, and the capacity of polyaniline cell was increased and then saturated over 15 cycles.

Journal ArticleDOI
TL;DR: In this article, a new synthetic strategy to second-order nonlinear optical (NLO) metalloorganic chromophores has been developed, which can be easily incorporated in thermally stable main-chain polymers for poled polymer NLO applications.

Journal ArticleDOI
TL;DR: In this paper, a new family of hole-transporting amorphous molecular materials with high glass transition temperatures (T g ) have been designed and synthesized, including 4,4′,4″-tris[biphenyl-2-yl(phenyl)amino]triphenylamine ( o -PTDATA), 4, 4′, 4″tris [bipenyl-3-yl (phenyl),triphenylamino], and m-PTDATA.