Risultato della ricerca: Otherpeer review


Halloysite (HNT) is a natural clay that, in the last years, has shown an important increasing on various applicationsin different field of interesting.Chemically similar to kaolin, it shows the predominately rolled shape, to form multilayers tubes of nanometricdimensions.The different chemical composition of the inside lumen (Al-OH) surface and outside (Si-O) give to the tubes apartial negative charge outside and positive inside. In this way, it is possible to get different interactions of differentmolecules or systems selectivity on one or another surface.The selective functionalization, covalent or not, of the HNT lumen or outer surface, gives the possibility to the nanotubesto further expand and modulate their properties, increasing the potential efficacy and the application fields.Recently some studies are, also, focused on the edges and interlayer properties and potentials.Among the countless applications of halloysite, is central the nanotube ability to interact with metals.Metals ions are one of the worst pollutants in the environmental contest. Halloysite has shown interesting propertiesas starting point to make environmental recovery system.Another important application of the ability of HNT of interaction with metals is catalysis.Catalyst immobilization is a good opportunity to obtain materials that can be recovered and reused for severalcycles with low leaching.Several studies have been carried out on the use of ionic liquids as reaction media and as stabilizers for metal nanoparticles.In particular, great attention has been devoted to the use of supported ionic liquid phase (SILP)-basedmaterials as heterogeneous recyclable palladium catalyst.Herein are reported some recent developments about immobilization of metal nanoparticles on halloysite nanotubesand studies about the materials and applications.
Lingua originaleEnglish
Numero di pagine1
Stato di pubblicazionePublished - 2017


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