Effect of graphitization on the wettability and electrical conductivity of CVD-carbon nanotubes and films

Article Abstract:

The effect of the annealing temperature on wetting and the electrical conductivity of chemical vapor deposition (CVD)-carbon nanotubes (CNT) and films are investigated. Environmental scanning electron microscopy (ESEM) is used to analyze the interaction of CNT with water and contact angle measurements performed using the sessile drop method on CVD-carbon films show that the contact angle increases nearly linearly with increasing annealing temperature.

Observations, Electric properties, Chemical vapor deposition, Nanotubes, Chemical vapour deposition

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Polysulfone-ZrO(sub 2) surface interactions: The influence on formation, morphology and properties of Zirfon-membranes

Article Abstract:

The interaction between polysulfone and Zr[O.sub.2] particles is studied as a function of the particle sintering temperature in order to understand the role of Zr[O.sub.2] on the formation, morphology, and properties of organo-mineral composite membranes. The organo-mineral composite membranes are formed by immersion precipitation in water, and the resulting membrane morphology is analyzed using high resolution scanning electron microscopy (SEM).

Plastics Material and Resin Manufacturing, Plastics materials and resins, Polysulfone Resins, Zirconium oxide, Structure, Polysulphones, Polysulfone

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Functional metalloproteins integrated with conductive substrates: Detecting single molecules and sensing individual recognition events

Article Abstract:

A multitechnique approach, based on scanning probe microscopy techniques, is described for a comprehensive characterization of different metalloproteins on metal electrodes. The success of an immobilization strategy is established, which is of primary importance for optimal integration of metalloproteins with a metal electrode that can be assessed by means of the proposed approach.

Science & research, Research, Metalloproteins, Electrodes

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