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Size Effect on the Thermodynamic Properties of Silver Nanoparticles

Luo, Wenhua, Hu, Wangyu, Xiao, Shifang·2008·The Journal of Physical Chemistry C

Abstract

The Gibbs free energy of silver nanoparticles has been obtained from the calculations of bulk free energy and surface free energy for both the solid and liquid phase. On the basis of the obtained Gibbs free energy of nanoparticles, thermodynamic properties of silver nanoparticles, such as melting temperature, molar heat of fusion, molar entropy of fusion, and temperature dependences of entropy and specific heat capacity have been investigated. Calculation results indicate that these thermodynamic properties can be divided into two parts: bulk quantity and surface quantity, and surface atoms are dominant for the size effect on the thermodynamic properties of nanoparticles. The method that the intersection of the free-energy curves for solid and liquid nanoparticles decide the melting point of nanoparticles demonstrates that the surface free-energy difference between the solid and liquid phase is a decisive factor for the size-dependent melting of nanostructural materials.

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Metadata

Authors
Luo, W., Hu, W., & Xiao, S.
Venue
The Journal of Physical Chemistry C
Published
2008-01-29
Volume
112
Issue
7
Pages
2359-2369
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2014935899
Cited by
242
References
0
FWCI
7.61
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Size Effect on the Thermodynamic Properties of Silver Nanoparticles. https://app.cochat.ai/papers/10.1021/jp0770155
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Luo, W., Hu, W., & Xiao, S. (2008). Size Effect on the Thermodynamic Properties of Silver Nanoparticles. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp0770155

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.