Energetics of oxide nanoparticles | Zendy

Navrotsky Alexandra | Zendy

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Energetics of oxide nanoparticles

Author(s) -

Navrotsky Alexandra

Publication year - 2009

Publication title -

international journal of quantum chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.484

H-Index - 105

eISSN - 1097-461X

pISSN - 0020-7608

DOI - 10.1002/qua.21981

Subject(s) - energetics , oxide , nanoparticle , nanoscopic scale , thermodynamics , phase (matter) , transformation (genetics) , standard enthalpy of formation , chemistry , materials science , chemical physics , chemical stability , nanotechnology , physics , organic chemistry , biochemistry , gene

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 TiO 2 are discussed in detail as examples. © 2009 Wiley Periodicals, Inc. Int J Quantum Chem, 2009

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