Photovoltaic devices generate electricity directly from solar radiation, which is abundant and freely accessible, offering the potential for renewable power on a vast scale. Worldwide photovoltaic ...

Occasionally referred to as ‘colloidal gold,’ gold colloid is a suspension comprising sub-micron gold nanoparticles suspended in a solvent - most commonly water. Gold nanoparticles' distinct ...

Reducing the size of metal or semiconductor crystals to the nanoscale results in unique electronic and optical properties, such as high quantum efficiencies, precisely controllable emission ...

Particles are of a colloidal size if their size falls in the range of 1 to 1000nm. A colloid is system whereby colloidal particles are suspended in a continuous medium. They are stable and do not ...