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showing 10 items of 3539 documents
Nanocomposites of epoxy resin with graphene nanoplates and exfoliated graphite: Synthesis and electrical properties
2014
Nanocomposites are nowadays one of the most promising materials. Among different fillers, e.g. carbon nanotubes and silicon carbide nanowires (NWSiC), already used with epoxy resin matrices, graphene exfoliated graphite (EG) and graphene nanoplates have some characteristics that make them unique for electromagnetic shielding materials. However, there is still an unresolved problem of proper dispersion that will ensure the homogeneity of samples. To overcome this drawback, inorganic fibres were proposed. An amount of 0.25 phr (parts per hundred; filler content presented as wt.% of the whole polymeric matrix) NWSiC, added to the EG 1 phr/epoxy resin sample, efficiently prevents filler agglome…
Growth and photo-electrochemical behaviour of Cu2O nanowires
2008
Thin Films of Semiconductors for Flexible Solar Cells: Electrochemical Deposition and Characterization
2011
Metodo Per l’Accrescimento di Nanostrutture in Silicio E Dispositivo Elettrico Comprendente Tali Nanostrutture
2013
Characterization of Thin Passive Film-Electrolyte Junctions.The Amorphous Semiconductor (a-SC) Schottky Barrier Approach
2016
The knowledge of the solid-state properties of passive film is a preliminary task for a full understanding of the electron and ion transfer processes at the metal/oxide and oxide/electrolyte interface. Both processes are of paramount importance in determining the mechanism of film growth and dissolution as well as in determining the nature of the breakdown during the growth of anodic oxide films or the onset of generalized or localized corrosion process (1-2). With very few exceptions, it is a common belief, that most of anodic oxide films, grown on metals and alloys in aqueous solutions, display a semiconducting or insulating behaviour. It is also very well known that in many cases the ini…
Fabbricazione elettrochimica e caratterizzazione di materiali nanostrutturati
2010
Metal displacement deposition: a new method to grow amorphous silicon nanotubes
2013
A critical analysis of the theory of amorphous semiconductor Schottky barrier for oxides
2014
THIN ZNS FILMS OBTAINED BY ELECTRODEPOSITION AS BUFFER FOR SOLAR CELLS
2011
Nanochemistry Aspects of Titania in Dye Sensitized Solar Cells
2009
We analyze the main nanochemistry factors affecting photovoltaic performance in TiO2 employed as wide bandgap semiconductor in dye-sensitized solar cells (DSCs). What is the best morphology of the oxide? Which processes yield the required structures? Finally, putting the discussion in the context of the rapid evolution of photovoltaic technologies, we argue that new titania nanostructures will form the basic component of second-generation solar modules based on dye solar cells.