Delamination and solvothermal decomposition of layered zinc hydroxysalt: Formation of bimodal zinc oxide nanostructures
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Jyothi Machadoa, N. Ravishankarb and Michael Rajamathia, 
, 
Received 8 February 2010;
revised 20 May 2010;
accepted 21 May 2010.
Available online 27 May 2010.
Abstract
Dodecylsulphate-intercalated zinc hydroxysalt, Zn5(OH)8(DS)2·mH2O delaminates to give monolayer colloidal dispersions in alcohols such as 1-butanol and ethylene glycol. The extent of delamination and the stability of the colloidal dispersion are comparable to those of layered double hydroxides. The solvothermal decomposition of the colloidal dispersion of the hydroxysalt in ethylene glycol yields a bimodal ZnO having a nanotubular structure decorated with nanosheets.
Keywords: Anionic clays; Delamination; Solvothermal reaction; Zinc oxide; Nanomaterials
