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Materials 2018, 11(5), 794; https://doi.org/10.3390/ma11050794

External-Stimuli-Assisted Control over Assemblies of Plasmonic Metals

Department of Chemical Engineering, Tohoku University, Sendai 980-8579, Japan
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Received: 17 April 2018 / Revised: 7 May 2018 / Accepted: 9 May 2018 / Published: 15 May 2018
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Abstract

Assembly of plasmonic nanoparticles (NPs) in suspensions is a promising approach for the control of optical and sensing properties that depend on the assembled states of plasmonic NPs. This review focuses on the controlling methods to assemble the NP via external stimuli such as pH, temperature, light, magnetic field, and electric field. External stimuli are introduced as powerful tools to assemble the NPs because of various operational factors, such as the intensity, application time, and frequency, which can be employed. In addition to a summary of recent studies on the controlling methods, a future study on the reversible control over assembled states of the plasmonic NPs via external stimuli is proposed. View Full-Text
Keywords: external stimuli; plasmonic nanoparticles; localized surface plasmon resonance; surface-enhanced Raman scattering; assembled state; magnetic field; electric field external stimuli; plasmonic nanoparticles; localized surface plasmon resonance; surface-enhanced Raman scattering; assembled state; magnetic field; electric field
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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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Watanabe, K.; Kuroda, K.; Nagao, D. External-Stimuli-Assisted Control over Assemblies of Plasmonic Metals. Materials 2018, 11, 794.

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