An assembly of organic-inorganic composites using halloysite clay nanotubes

Giuseppe Lazzara, Giuseppe Cavallaro, Rawil Fakhrullin, Abhishek Panchal, Anna Stavitskaya, Yuri Lvov, Vladimir Vinokurov

Research output: Contribution to journalArticle

139 Citations (Scopus)

Abstract

Halloysite is natural tubular clay suitable as a component of biocompatible nanosystems with specific functionalities. The selective modification of halloysite inner/outer surfaces can be achieved by exploiting supramolecular and covalent interactions resulting in controlled colloidal stability adjusted to the solvent polarity. The functionalized halloysite nanotubes can be employed as reinforcing filler for polymers as well as carriers for the sustained release of active molecules, such as antioxidants, flame-retardants, corrosion inhibitors, biocides and drugs. The tubular morphology makes halloysite a perspective template for core-shell metal supports for mesoporous catalysts. The catalysts can be incorporated with selective and unselective metal binding on the nanotubes' outer surface or in the inner lumens. Micropatterns of self-assembled nanotubes have been realized by the droplet casting method. The selective modification of halloysite has been exploited to increase the nanotubes' ordering in the produced patterns. Pickering emulsions, induced by the self-assembly of halloysite nanotubes on oil-water interface, can be used for petroleum spill bioremediation and catalysis. © 2018 Elsevier Ltd
Original languageEnglish
Pages (from-to)42-50
Number of pages9
JournalCURRENT OPINION IN COLLOID & INTERFACE SCIENCE
Volume35
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry

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