Sim ple hydr othermal synthesis and chara cterization of high surface area niobia

Niobi um pentoxide, or niobia (Nb۲O۵), po ssesses outs tanding chemical and physical properties which make this oxide pro mising for application in catalysis and photoelectrochemical , ferroelectric , ele ctrochromic devices. R ecently, niobia-based s ystems have received s pecial attention due to their catalytic application in several i mportant chemical proc esses, particularly when high acidity and a water-tolerant property is required. The properties o f Nb۲O۵ strongly depend on its sy nthesis procedure and the conditions of thermal treatment. It is crucial to develo p methods of prepari ng niobium oxide with a high sp ecific surfa ce area and the preparation of w ell-ordered niobia nanocrystals, with high surface area a nd acidic su rface charac teristics still represents a challenge. In this study niobium pentoxi de (Nb۲O۵) nanoparticles with high surface area and pore vo lume have been prepar ed by simple hydrothermal method using least material ( NbCl۵+H۲O۲ ) and low temperature and compared with com mercial samp le.[۱-۳]

کلیدواژه ها:

Niobium pentoxide ، Hydrothermal ، Nanoparticle ، Mesopore ، Surface area