Journal
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY
Volume 109, Issue 12, Pages 2647-2657Publisher
WILEY
DOI: 10.1002/qua.21981
Keywords
nanomaterials; calorimetry; enthalpy
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New calorimetric techniques enable the measurement of surface enthalpies and phase transformation enthalpies of oxide nanoparticles. These experimental values can benchmark theoretical calculations. A complex and delicate balance of energies of phase transformation, surfaces, and hydration leads to crossovers in thermodynamic stability of polymorphs at the nanoscale. ZnO and TiO2 are discussed in detail as examples. (C) 2009 Wiley Periodicals, Inc. Int J Quantum Chem 109: 2647-2657,2009
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