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Pure Appl. Chem., 2000, Vol. 72, No. 1-2, pp. 47-52

http://dx.doi.org/10.1351/pac200072010047

Purpose-built metal oxide nanomaterials. The emergence of a new generation of smart materials

Lionel Vayssieres*, Anders Hagfeldt and Sten Eric Lindquist

Department of Physical Chemistry, Uppsala University, S-75121 Uppsala, Sweden

Abstract: A new concept has been developed in order to achieve a new generation of smart materials, namely purpose-built materials, modeled and designed to match the physical and structural requirements of their applications. A model based on the thermodynamic monitoring of the nucleation, growth, and aging process of metal oxide by minimization of the interfacial tension, yielding to the thermodynamic stabilization of the system, results in well-designed and well-ordered nanostructured materials with the required porosity, morphology, size, and orientation on various substrates.