Nanoparticles assembly of γ-Al2O3 nanobud using γ-AlOOH as precursor

One phase of alumina, the γ-phase is widely used as catalyst, catalyst support and adsorbent as well as Al2O3 is a ceramic metal oxide of great importance as building material, refractory material, electro technology, electronics and biotechnology electrical and heat insulator, attributed to its high strength, corrosion resistance, chemical stability, low thermal conductivity, and good electrical insulation [1,2]. It is conventionally prepared by heating the hydrated trihydroxides, gibbsite and bayerite, to temperature of > 1000 oC [2,3]. In this work, the conventional chemical method for synthesis of alumina is to dehydrate boehmite nanorods which that prepared with hydrothermal method, but the morphology of alumina remains the same.

کلیدواژه ها:

γ-Al2O3 ، nanobud ، γ-AlOOH