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Title: Femtosecond laser pulse driven melting in gold nanorod aqueous colloidal suspension: Identification of a transition from stretched to exponential kinetics

Abstract

Many potential industrial, medical, and environmental applications of metal nanorods rely on the physics and resultant kinetics and dynamics of the interaction of these particles with light. We report a surprising kinetics transition in the global melting of femtosecond laser-driven gold nanorod aqueous colloidal suspension. At low laser intensity, the melting exhibits a stretched exponential kinetics, which abruptly transforms into a compressed exponential kinetics when the laser intensity is raised. It is found the relative formation and reduction rate of intermediate shapes play a key role in the transition. Supported by both molecular dynamics simulations and a kinetic model, the behavior is traced back to the persistent heterogeneous nature of the shape dependence of the energy uptake, dissipation and melting of individual nanoparticles. These results could have significant implications for various applications such as water purification and electrolytes for energy storage that involve heat transport between metal nanorod ensembles and surrounding solvents.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1201628
Alternate Identifier(s):
OSTI ID: 1392619
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Li, Yuelin, Jiang, Zhang, Lin, Xiao -Min, Wen, Haidan, Walko, Donald A., Deshmukh, Sanket A., Subbaraman, Ram, Sankaranarayanan, Subramanian K. R. S., Gray, Stephen K., and Ho, Phay. Femtosecond laser pulse driven melting in gold nanorod aqueous colloidal suspension: Identification of a transition from stretched to exponential kinetics. United States: N. p., 2015. Web. doi:10.1038/srep08146.
Li, Yuelin, Jiang, Zhang, Lin, Xiao -Min, Wen, Haidan, Walko, Donald A., Deshmukh, Sanket A., Subbaraman, Ram, Sankaranarayanan, Subramanian K. R. S., Gray, Stephen K., & Ho, Phay. Femtosecond laser pulse driven melting in gold nanorod aqueous colloidal suspension: Identification of a transition from stretched to exponential kinetics. United States. doi:10.1038/srep08146.
Li, Yuelin, Jiang, Zhang, Lin, Xiao -Min, Wen, Haidan, Walko, Donald A., Deshmukh, Sanket A., Subbaraman, Ram, Sankaranarayanan, Subramanian K. R. S., Gray, Stephen K., and Ho, Phay. Fri . "Femtosecond laser pulse driven melting in gold nanorod aqueous colloidal suspension: Identification of a transition from stretched to exponential kinetics". United States. doi:10.1038/srep08146. https://www.osti.gov/servlets/purl/1201628.
@article{osti_1201628,
title = {Femtosecond laser pulse driven melting in gold nanorod aqueous colloidal suspension: Identification of a transition from stretched to exponential kinetics},
author = {Li, Yuelin and Jiang, Zhang and Lin, Xiao -Min and Wen, Haidan and Walko, Donald A. and Deshmukh, Sanket A. and Subbaraman, Ram and Sankaranarayanan, Subramanian K. R. S. and Gray, Stephen K. and Ho, Phay},
abstractNote = {Many potential industrial, medical, and environmental applications of metal nanorods rely on the physics and resultant kinetics and dynamics of the interaction of these particles with light. We report a surprising kinetics transition in the global melting of femtosecond laser-driven gold nanorod aqueous colloidal suspension. At low laser intensity, the melting exhibits a stretched exponential kinetics, which abruptly transforms into a compressed exponential kinetics when the laser intensity is raised. It is found the relative formation and reduction rate of intermediate shapes play a key role in the transition. Supported by both molecular dynamics simulations and a kinetic model, the behavior is traced back to the persistent heterogeneous nature of the shape dependence of the energy uptake, dissipation and melting of individual nanoparticles. These results could have significant implications for various applications such as water purification and electrolytes for energy storage that involve heat transport between metal nanorod ensembles and surrounding solvents.},
doi = {10.1038/srep08146},
journal = {Scientific Reports},
issn = {2045-2322},
number = ,
volume = 5,
place = {United States},
year = {2015},
month = {1}
}

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Works referenced in this record:

Plasmonics for improved photovoltaic devices
journal, February 2010

  • Atwater, Harry A.; Polman, Albert
  • Nature Materials, Vol. 9, Issue 3, p. 205-213
  • DOI: 10.1038/nmat2629

Optical Constants of the Noble Metals
journal, December 1972