Nonlinear size-dependent melting of the silica-encapsulated silver nanoparticles

Chengying Tang; Yun Mo Sung; Joonho Lee

doi:10.1063/1.4712599

Nonlinear size-dependent melting of the silica-encapsulated silver nanoparticles

Chengying Tang, Yun Mo Sung, Joonho Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

In spite of the recent report of the in situ high-resolution transmission electron microscopy observation of the melting of Ag nanoparticles (NPs) in Chen et al. [Appl. Phys. Lett. 96, 253104 (2010)], no consistent experimental investigation coupled with theoretical analysis has been reported so far. We report the size-dependence of the melting temperature (T _m) of Ag NPs by both differential scanning calorimetry experiments and thermodynamic assessments. Thermodynamically calculated T _m for the Ag NPs showed a nonlinear function with respect to the inverse of the particle size and agreed well with the present and reported experimental results within an error of 1 K.

Original language	English
Article number	201903
Journal	Applied Physics Letters
Volume	100
Issue number	20
DOIs	https://doi.org/10.1063/1.4712599
Publication status	Published - 2012 May 14

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4712599

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title = "Nonlinear size-dependent melting of the silica-encapsulated silver nanoparticles",

abstract = "In spite of the recent report of the in situ high-resolution transmission electron microscopy observation of the melting of Ag nanoparticles (NPs) in Chen et al. [Appl. Phys. Lett. 96, 253104 (2010)], no consistent experimental investigation coupled with theoretical analysis has been reported so far. We report the size-dependence of the melting temperature (T m) of Ag NPs by both differential scanning calorimetry experiments and thermodynamic assessments. Thermodynamically calculated T m for the Ag NPs showed a nonlinear function with respect to the inverse of the particle size and agreed well with the present and reported experimental results within an error of 1 K.",

author = "Chengying Tang and Sung, {Yun Mo} and Joonho Lee",

note = "Funding Information: This work was supported by the Converging Research Center Program through the Ministry of Education, Science and Technology (2011K000785). C.T. is thankful for the partial financial support provided by the National Natural Science Foundation of China (NSFC) (50861006), the Natural Science Foundation of Guangxi (2011GXNSFC018002), and the Guangxi Key Laboratory of Information Materials (Guilin University of Electronic Technology), China. We also thank Professor J. S. Lee and Dr. H. J. Lee at Korea University for their helpful discussion of the sample preparation and Dr. Baik at KBSI for the TEM characterization.",

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AU - Tang, Chengying

AU - Sung, Yun Mo

AU - Lee, Joonho

N1 - Funding Information: This work was supported by the Converging Research Center Program through the Ministry of Education, Science and Technology (2011K000785). C.T. is thankful for the partial financial support provided by the National Natural Science Foundation of China (NSFC) (50861006), the Natural Science Foundation of Guangxi (2011GXNSFC018002), and the Guangxi Key Laboratory of Information Materials (Guilin University of Electronic Technology), China. We also thank Professor J. S. Lee and Dr. H. J. Lee at Korea University for their helpful discussion of the sample preparation and Dr. Baik at KBSI for the TEM characterization.

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N2 - In spite of the recent report of the in situ high-resolution transmission electron microscopy observation of the melting of Ag nanoparticles (NPs) in Chen et al. [Appl. Phys. Lett. 96, 253104 (2010)], no consistent experimental investigation coupled with theoretical analysis has been reported so far. We report the size-dependence of the melting temperature (T m) of Ag NPs by both differential scanning calorimetry experiments and thermodynamic assessments. Thermodynamically calculated T m for the Ag NPs showed a nonlinear function with respect to the inverse of the particle size and agreed well with the present and reported experimental results within an error of 1 K.

AB - In spite of the recent report of the in situ high-resolution transmission electron microscopy observation of the melting of Ag nanoparticles (NPs) in Chen et al. [Appl. Phys. Lett. 96, 253104 (2010)], no consistent experimental investigation coupled with theoretical analysis has been reported so far. We report the size-dependence of the melting temperature (T m) of Ag NPs by both differential scanning calorimetry experiments and thermodynamic assessments. Thermodynamically calculated T m for the Ag NPs showed a nonlinear function with respect to the inverse of the particle size and agreed well with the present and reported experimental results within an error of 1 K.

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Nonlinear size-dependent melting of the silica-encapsulated silver nanoparticles

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