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Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays

A trilayer SiO(2)/Ag/SiO(2) nanocap array was prepared on a two-dimensional template. When annealed at different temperatures, the curvature of the SiO(2)/Ag/SiO(2) nanocap arrays increased, which led to Ag nanocap shrinkage. The stress provided by the curved SiO(2) layer induced the formation of Ag...

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Detalles Bibliográficos
Autores principales: Zhang, Fan, Wang, Yaxin, Zhang, Yongjun, Chen, Lei, Liu, Yang, Yang, Jinghai
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6027533/
https://www.ncbi.nlm.nih.gov/pubmed/29904010
http://dx.doi.org/10.3390/nano8060436
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author Zhang, Fan
Wang, Yaxin
Zhang, Yongjun
Chen, Lei
Liu, Yang
Yang, Jinghai
author_facet Zhang, Fan
Wang, Yaxin
Zhang, Yongjun
Chen, Lei
Liu, Yang
Yang, Jinghai
author_sort Zhang, Fan
collection PubMed
description A trilayer SiO(2)/Ag/SiO(2) nanocap array was prepared on a two-dimensional template. When annealed at different temperatures, the curvature of the SiO(2)/Ag/SiO(2) nanocap arrays increased, which led to Ag nanocap shrinkage. The stress provided by the curved SiO(2) layer induced the formation of Ag nanotwins. Ag nanotwins assisted the growth of nanoparticles when the neighboring nanotwins changed the local misorientations. Nanocap shrinkage reduced the surface plasmon resonance (SPR) coupling between neighboring nanocaps; concurrently, grain growth decreased the SPR coupling between the particles in each nanocap, which led to a red shift of the localized surface plasmon resonance (LSPR) bands and decreased the surface-enhanced Raman scattering (SERS) signals.
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spelling pubmed-60275332018-07-13 Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays Zhang, Fan Wang, Yaxin Zhang, Yongjun Chen, Lei Liu, Yang Yang, Jinghai Nanomaterials (Basel) Article A trilayer SiO(2)/Ag/SiO(2) nanocap array was prepared on a two-dimensional template. When annealed at different temperatures, the curvature of the SiO(2)/Ag/SiO(2) nanocap arrays increased, which led to Ag nanocap shrinkage. The stress provided by the curved SiO(2) layer induced the formation of Ag nanotwins. Ag nanotwins assisted the growth of nanoparticles when the neighboring nanotwins changed the local misorientations. Nanocap shrinkage reduced the surface plasmon resonance (SPR) coupling between neighboring nanocaps; concurrently, grain growth decreased the SPR coupling between the particles in each nanocap, which led to a red shift of the localized surface plasmon resonance (LSPR) bands and decreased the surface-enhanced Raman scattering (SERS) signals. MDPI 2018-06-14 /pmc/articles/PMC6027533/ /pubmed/29904010 http://dx.doi.org/10.3390/nano8060436 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zhang, Fan
Wang, Yaxin
Zhang, Yongjun
Chen, Lei
Liu, Yang
Yang, Jinghai
Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title_full Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title_fullStr Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title_full_unstemmed Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title_short Ag Nanotwin-Assisted Grain Growth-Induced by Stress in SiO(2)/Ag/SiO(2) Nanocap Arrays
title_sort ag nanotwin-assisted grain growth-induced by stress in sio(2)/ag/sio(2) nanocap arrays
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6027533/
https://www.ncbi.nlm.nih.gov/pubmed/29904010
http://dx.doi.org/10.3390/nano8060436
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