Journal of Materials Science

, Volume 47, Issue 8, pp 3855–3866 | Cite as

Facile tailoring of titanate nanostructures at low alkaline concentration by a solvothermal route



Nanostructured titanates with different morphologies such as nanoflakes, nanotubes, and nanofibers have been selectively synthesized by a simple solvothermal treatment of commercial anatase TiO2 using the mixed water–ethanol cosolvent at low alkaline concentration. The effects of solvothermal temperature, volume ratio of H2O to C2H5OH, amount of NaOH and solvents on the formation of titanate nanostructures have been systematically studied through X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). At low concentration of NaOH solution (the actual concentration of OH in the solution is only 0.58 M), different titanate nanostructures are achieved by simply changing the volume ratio of H2O to C2H5OH at 180 °C and titanate nanotubes can be synthesized between 100 and 180 °C. A probable formation mechanism is proposed based on XRD, SEM and TEM analysis. The influence of cosolvent on the transformation from anatase TiO2 to titanate is also investigated.


TiO2 Titanate Lamellar Structure Sodium Titanate Titanate Nanotubes 



This work has been supported by National Basic Research Program of China (973 Program, 2010CB732306), National Nature Science Foundation of China (21007016 and 20977030), the Project of International Cooperation of the Ministry of Science and Technology of China (2011DFA50530), Science and Technology Commission of Shanghai Municipality (10520709900 and 10JC1403900) and the Fundamental Research Funds for the Central Universities.


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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Key Laboratory for Advanced Materials and Institute of Fine ChemicalsEast China University of Science and TechnologyShanghaiPeople’s Republic of China

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