Title: Modeling the Size-Dependent Solid-Solid Phase Transition Temperature of Cu2S Nanosolids
Authors: Li, Yejun
Qi, Weihong ×
Janssens, Ewald
Huang, Baiyun #
Issue Date: May-2012
Publisher: American Chemical Society
Series Title: Journal of Physical Chemistry C vol:116 issue:17 pages:9800-9804
Abstract: The present study provides a simple model to predict the favored phase of Cu2S nanosolids upon variation of their size, shape, and temperature. Insight into the phase stability at the nanoscale will aid in the design of new nanomaterials. A study of the solid-solid phase transition demonstrated that the low-chalcocite to high-chalcocite transition temperature of Cu2S nanowires increases with increasing wire diameter consistent with recent experimental data.(31) At ambient temperature, the high-chalcocite phase is the most stable phase for nanofilms with a thickness below 1.5 nm, nanowires With a diameter below 3 tun and nanoparticles smaller than 4.5 nm, all in agreement with experimental observations.
ISSN: 1932-7447
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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