Influences of mole ratio of polyvinylpyrrolidone(PVP) to AgNO3 and the PVP relative molecular mass on the particles size,dispersivity and shape of nano-Ag powder were reviewed.

The preparation, properties and applications of cadmium sulfide (CdS) nanocomposite materials and lead sulfide (PbS) sulfide nanocomposite materials using Polyvinylpyrrolidone (PVP) as matrix were introduced detailedly in this work.

The Interaction Between Dodecyl Betaine and Polyvinylpyrrolidone;