Analysis of the surface decoration of TiO2 grains using silver nanoparticles obtained by ultrasonochemical synthesis towards organic photovoltaics

The wet ultrasonochemical method was used to obtained TiO₂/n-Ag nanoparticles for polymer solar cells.

Self-assembly of an electronically conductive network through microporous scaffolds

Electron transfer spanning significant distances through a microporous structure was established via the self-assembly of an electronically conductive iridium oxide nanowire matrix enveloping the pore walls. Microporous formations were simulated using two scaffold materials of varying physical and chemical properties; paraffin wax beads, and agar gel. Following infiltration into the micropores, iridium nanoparticles self-assembled at the pore wall/ethanol interface. Subsequently, cyclic voltammetry was employed to electrochemically crosslink the metal, erecting an interconnected, and electronically conductive metal oxide nanowire matrix. Electrochemical and spectral characterization techniques confirmed the formation of oxide nanowire matrices encompassing lengths of at least 1.6mm, 400× distances previously achieved using iridium nanoparticles. Nanowire matrices were engaged as biofuel cell anodes, where electrons were donated to the nanowires by a glucose oxidizing enzyme.

Semitransparent polymer-based solar cells via simple wet lamination process with TiO2 layer using automatic spray layer-by-layer method

We fabricated electron transport TiO₂ layer by water base solution using spray layer-by-layer method for semitransparent organic thin film solar cell.

Influence of gold additives on the stability and phase transformation of titanate nanostructures

Au is stabilized on titanate nanowires partially in positively charged gold form and also as Au clusters. Au loaded nanotubes loose their tubular morphology and are readily transformed into anatase. On the other hand, gold stabilizes the layered structure of titanate nanowires.