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Flower-like boehmite nanostructure formation in two-steps

Zanganeh, N ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1080/00958972.2014.892590
  3. Abstract:
  4. Reaction between AlCl3 and TEA (triethanolamine) gave Al(OH)3 colloidal nanocrystals that were precursors to nucleation and growth of boehmite under hydrothermal conditions. Transition electron microscopic (TEM) observations revealed that flower-like nanostructures were produced through a binary self-assembly system. In the first stage, nanostrips organize themselves to form a bundle, because of NH4 + and TEA. In the second stage, the bundles form flower-like nanostructures due to the interaction of nitrate with TEA. The size of the nanopetals (length 100-200 nm; width 100-150 nm; and thickness 20-70 nm) was measured through TEM. X-ray diffraction and Brunauer-Emmett-Teller (BET-N2) results demonstrate that the obtained nanostructures were composed of a pure AlOOH phase with a surface area of 160 m2g-1. The effect of Cl on the growth of boehmite 3-D nanoarchitectures in the presence of NO3 was also investigated
  5. Keywords:
  6. Hydrothermal ; Nanostructures ; Self-assembly
  7. Source: Journal of Coordination Chemistry ; Volume 67, Issue 3 , 1 February , 2014 , Pages 555-562 ; ISSN: 00958972
  8. URL: http://www.tandfonline.com/doi/abs/10.1080/00958972.2014.892590#.VdBn1301rcs