Pechini method used in the obtention of semiconductor nanoparticles based niobium. - Raba-Páez, Angela Mercedes; Suarez-Ballesteros, Diego Nicolás; Martínez-Zambrano, José Jobanny; Rojas-Sarmiento, Hugo Alfonso; Rincón-Joya, Miryam (Dyna (0012-7353), 2015)