Size-Dependent Ab Initio Atomistic Thermodynamics from Cluster to Bulk: Application to Hydration of Titania Nanoparticles
Miguel Recio-Poo,
Ángel Morales-García,
Francesc Illas
et al.
Abstract:Ab initio atomistic thermodynamics (AIAT) has become
an indispensable
tool to estimate Gibbs free energy changes for solid surfaces interacting
with gaseous species relative to pressure (
p
) and
temperature (
T
). For such systems, AIAT assumes that
solid vibrational contributions to Gibbs free energy differences cancel
out. However, the validity of this assumption is unclear for nanoscale
systems. Using hydrated titania nanoparticles (NPs) as an example,
we estim… Show more
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