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Purpose: The work is to present and characterise various methods of depositing carbon nanotubes with nanoparticles of precious metals, and also to present the results of own works concerning carbon nanotubes coated with platinum nanoparticles. Design/methodology/approach: Electron transmission and scanning microscopy has been used for imaging the structure and morphology of the nanocomposites obtained...
Purpose: The primary purpose of the article is to present the most popular techniques of manufacturing carbon nanotubes (CNTs). The Chemical Vapour Deposition (CVD) method is described in detail with special focus laid on the universality of such technique and on economic considerations. The outcomes of investigations presenting carbon nanotubes fabricated with the EasyTube® 2000 system are also demonstrated...
Purpose: The paper presents a simply method of preparation of polymer matrix nanocomposite reinforced with carbon nanotubes and their influence on the mechanical properties. Design/methodology/approach: A series of polymer matrix nanocomposite materials at filler weight fractions 5%, 10%, 15%, 20%, 30% and 40% both in the absence and in the presence of multiwalled carbon nanotubes (MWCNTs) at a 0...
Purpose: The aim of the paper is to fabricate the dye-sensitized solar cells DSSC with carbon nanotube. Design/methodology/approach: The main aim this work was to improve the technological conditions of conventional dye solar cells by the application of nanostructured materials (MWCNTs) as one of the electrodes of the cell and to prove that the use of this type of nanomaterials increases the efficiency...
Purpose: The purpose of the work is to examine the influence of carbon nanotubes on the properties of dye-sensitised solar cells. Design/methodology/approach: The research material consisted of samples of glass plates with a conductive layer of FTO onto which layers were subsequently deposited of TiO2 titanium dioxide and titanium dioxide with an absorbed dye, a high conductivity PEDOT:PSS polymer...
Purpose: The main aim of the research was to produce nanocomposites consisting of carbon nanotubes coated with palladium nanoparticles and the characterisation of the obtained materials. Design/methodology/approach: High quality multiwalled carbon nanotubes (MWCNTs) with the length of 100-400 nm and the diameter of 6-25 nm obtained in advance with Catalytic Chemical Vapour Deposition (CCVD) were employed...
Purpose: In the present article, the wear behaviour of aluminium alloy matrix nanocomposites containing various amounts of carbon nanotubes (0, 2 and 5 vol.%) fabricated using powder metallurgy route has been investigated. Design/methodology/approach: In order to provide the uniform dispersion of the reinforcement particles in the aluminium matrix, in the study, mechanical milling has been used. Through...
Purpose: The main purpose of the article is to present interesting forms of platinum at a nanometric scale. There are multiple fabrication methods of nanoparticles, nanowires and other forms of platinum, and the methods proposed in the article are simple and effective. They employ carbon nanotubes in the form of a so-called forest, manufactured by CVD methods and nanotubes dispergated (in a water...
Purpose: The goal of this paper is presentation of the variations in MWCNTs-Pt nanocomposite resistance which were examined in the presence of hydrogen with a rising concentration of, respectively, 1, 2, 3 and 4% H2 as well as nitrogen dioxide with a rising concentration of, respectively, 20, 100, 200, 400 ppm of NO2. Design/methodology/approach: Variations in electrical conductivity for the MWCNTs-Pt...
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