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Entropy 2015, 17(8), 5437-5449; doi:10.3390/e17085437

Reaction Kinetic Parameters and Surface Thermodynamic Properties of Cu2O Nanocubes

1
School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning, 530008, China
2
Key Laboratory of Forest Chemistry and Engineering, Guangxi University for Nationalities, Nanning, 530008, China
3
Guangxi Colleges and Universities Key Laboratory of Food Safety and Pharmaceutical Analytical Chemistry, Guangxi University for Nationalities, Nanning, 530008, China
*
Author to whom correspondence should be addressed.
Academic Editors: A. Perez-Madrid and Iván Santamaría-Holek
Received: 15 May 2015 / Revised: 18 June 2015 / Accepted: 1 July 2015 / Published: 30 July 2015
(This article belongs to the Special Issue Nanothermodynamics)
View Full-Text   |   Download PDF [1688 KB, uploaded 30 July 2015]   |  

Abstract

Cuprous oxide (Cu2O) nanocubes were synthesized by reducing Cu(OH)2 in the presence of sodium citrate at room temperature. The samples were characterized in detail by field-emission scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, X-ray powder diffraction, and N2 absorption (BET specific surface area). The equations for acquiring reaction kinetic parameters and surface thermodynamic properties of Cu2O nanocubes were deduced by establishment of the relations between thermodynamic functions of Cu2O nanocubes and these of the bulk Cu2O. Combined with thermochemical cycle, transition state theory, basic theory of chemical thermodynamics, and in situ microcalorimetry, reaction kinetic parameters, specific surface enthalpy, specific surface Gibbs free energy, and specific surface entropy of Cu2O nanocubes were successfully determined. We also introduced a universal route for gaining reaction kinetic parameters and surface thermodynamic properties of nanomaterials. View Full-Text
Keywords: nanothermodynamics; cuprous oxide; nanocrystal; specific surface enthalpy; specific surface Gibbs free energy; specific surface entropy nanothermodynamics; cuprous oxide; nanocrystal; specific surface enthalpy; specific surface Gibbs free energy; specific surface entropy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, X.; Tang, H.; Lu, X.; Lin, S.; Shi, L.; Huang, Z. Reaction Kinetic Parameters and Surface Thermodynamic Properties of Cu2O Nanocubes. Entropy 2015, 17, 5437-5449.

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