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Polyaniline/graphene nanocomposite (PANI/G) was synthesized by an in situ polymerization procedure. The microstructure of PANI/G was characterized to be a mixture of PANI nanowires and graphene sheets by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Energy Dispersive X-Ray Fluoresence Spectrometer (EDX). PANI/G was used to modify glassy carbon electrodes to detect...
Novel non-fragile porous conductive nanocomposite vapor sensors with variant volume porosities and specific surface areas have been fabricated from PMMA and carbon nanoparticles. Sensing films were obtained by well known dry-cast non-solvent induced phase separation (NIPS) method. Porous composite structures have been characterized by SEM, BET and water evaporation methods. Response behavior of fabricated...
An amperometric immunosensor based on a multiwall carbon nanotubes (MWCNTs) embedded conducting polymer, poly 5, 2': 5', 2"-terthiophene-3'-carboxylic acid (pTTCA), was developed and the sensor was applied for the detection of IgG. The presence of MWCNTs could enhance the conductivity of pTTCA polymer film and consequently, the overall performance of the immunosensor developed was also improved...
In this paper we report our recent work on preparing two dimensional patterned microstructure arrays using three dimensional colloidal crystals as templates, namely colloidal crystal-assisted lithography. Two alternative processes are described and involved in the colloidal crystal-assisted lithography. One is based upon imprinting the polymer films with three dimensional silica colloidal crystals,...
Gallium nitride (GaN) nanofibers have been produced using electrospinning and a precursor solution composed of gallium nitrate and a cellulose acetate solution. The electrospun fibers were thermally decomposed at 400??C under a nitrogen flow and nitridized under ammonia at 900??C. Scanning electron microscopy (SEM) and profilometry confirmed the production of fibers with diameters ranging from 20...
Chemical staining is commonly used to delineate sample for construction analysis. A wide range of wet etchants are available such as acid-based, alkaline-based solutions and organic solvents. Etch artifacts and over-etched profile maybe observed after wet staining on metal profile. Wet chemical treatment is also essential after dry etching during RIE delayering to reveal metallization of interest...
The polyethylene/montmorillonite nano-composites are prepared by melting intercalation process. The morphology and dielectric properties of the nano-composites are investigated by means of X-ray Diffraction (XRD), scanning electronic microscope (SEM), atomic force microscope (AFM) and dielectric analyzer etc. The results indicated that polyethylene can be intercalated in organically modified montmorillonite...
The market constantly demands an extension of the functional features of electronic devices and this leads to the application of new materials. Polymers represent an innovative potential due to their favorable properties for packing. The MID technology represents a new growing potential in packaging. Basis of this technology are polymer/metal bonds. For the quality and reliability of a polymer/metal...
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