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Issue 22, 2011
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Universal relation for size dependent thermodynamic properties of metallic nanoparticles

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Abstract

The previous model on surface free energy has been extended to calculate size dependent thermodynamic properties (i.e., melting temperature, melting enthalpy, melting entropy, evaporation temperature, Curie temperature, Debye temperature and specific heat capacity) of nanoparticles. According to the quantitative calculation of size effects on the calculated thermodynamic properties, it is found that most thermodynamic properties of nanoparticles vary linearly with 1/D as a first approximation. In other words, the size dependent thermodynamic properties Pn have the form of Pn = Pb(1 − K/D), in which Pb is the corresponding bulk value and K is the material constant. This may be regarded as a scaling law for most of the size dependent thermodynamic properties for different materials. The present predictions are consistent literature values.

Graphical abstract: Universal relation for size dependent thermodynamic properties of metallic nanoparticles

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Publication details

The article was received on 10 Oct 2010, accepted on 25 Feb 2011 and first published on 26 Apr 2011


Article type: Paper
DOI: 10.1039/C0CP90161J
Citation: Phys. Chem. Chem. Phys., 2011,13, 10652-10660
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    Universal relation for size dependent thermodynamic properties of metallic nanoparticles

    S. Xiong, W. Qi, Y. Cheng, B. Huang, M. Wang and Y. Li, Phys. Chem. Chem. Phys., 2011, 13, 10652
    DOI: 10.1039/C0CP90161J

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