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Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites

Polymer nanocomposites with nanoparticles dispersed in polymer matrices have attracted extensive attention due to their significantly improved overall performance, in which the nanoparticle-polymer interface plays a key role. Understanding the structures and properties of the interfacial region, how...

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Autores principales: Li, Xinhui, He, Shan, Jiang, Yanda, Wang, Jian, Yu, Yi, Liu, Xiaofei, Zhu, Feng, Xie, Yimei, Li, Youyong, Ma, Cheng, Shen, Zhonghui, Li, Baowen, Shen, Yang, Zhang, Xin, Zhang, Shujun, Nan, Ce-Wen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10504251/
https://www.ncbi.nlm.nih.gov/pubmed/37714851
http://dx.doi.org/10.1038/s41467-023-41479-0
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author Li, Xinhui
He, Shan
Jiang, Yanda
Wang, Jian
Yu, Yi
Liu, Xiaofei
Zhu, Feng
Xie, Yimei
Li, Youyong
Ma, Cheng
Shen, Zhonghui
Li, Baowen
Shen, Yang
Zhang, Xin
Zhang, Shujun
Nan, Ce-Wen
author_facet Li, Xinhui
He, Shan
Jiang, Yanda
Wang, Jian
Yu, Yi
Liu, Xiaofei
Zhu, Feng
Xie, Yimei
Li, Youyong
Ma, Cheng
Shen, Zhonghui
Li, Baowen
Shen, Yang
Zhang, Xin
Zhang, Shujun
Nan, Ce-Wen
author_sort Li, Xinhui
collection PubMed
description Polymer nanocomposites with nanoparticles dispersed in polymer matrices have attracted extensive attention due to their significantly improved overall performance, in which the nanoparticle-polymer interface plays a key role. Understanding the structures and properties of the interfacial region, however, remains a major challenge for polymer nanocomposites. Here, we directly observe the presence of two interfacial polymer layers around a nanoparticle in polar polymers, i.e., an inner bound polar layer (~10 nm thick) with aligned dipoles and an outer polar layer (over 100 nm thick) with randomly orientated dipoles. Our results reveal that the impacts of the local nanoparticle surface potential and interparticle distance on molecular dipoles induce interfacial polymer layers with different polar molecular conformations from the bulk polymer. The bilayer interfacial features lead to an exceptional enhancement in polarity-related properties of polymer nanocomposites at ultralow nanoparticle loadings. By maximizing the contribution of inner bound polar layer via a nanolamination design, we achieve an ultrahigh dielectric energy storage density of 86 J/cm(3), far superior to state-of-the-art polymers and nanocomposites.
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spelling pubmed-105042512023-09-17 Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites Li, Xinhui He, Shan Jiang, Yanda Wang, Jian Yu, Yi Liu, Xiaofei Zhu, Feng Xie, Yimei Li, Youyong Ma, Cheng Shen, Zhonghui Li, Baowen Shen, Yang Zhang, Xin Zhang, Shujun Nan, Ce-Wen Nat Commun Article Polymer nanocomposites with nanoparticles dispersed in polymer matrices have attracted extensive attention due to their significantly improved overall performance, in which the nanoparticle-polymer interface plays a key role. Understanding the structures and properties of the interfacial region, however, remains a major challenge for polymer nanocomposites. Here, we directly observe the presence of two interfacial polymer layers around a nanoparticle in polar polymers, i.e., an inner bound polar layer (~10 nm thick) with aligned dipoles and an outer polar layer (over 100 nm thick) with randomly orientated dipoles. Our results reveal that the impacts of the local nanoparticle surface potential and interparticle distance on molecular dipoles induce interfacial polymer layers with different polar molecular conformations from the bulk polymer. The bilayer interfacial features lead to an exceptional enhancement in polarity-related properties of polymer nanocomposites at ultralow nanoparticle loadings. By maximizing the contribution of inner bound polar layer via a nanolamination design, we achieve an ultrahigh dielectric energy storage density of 86 J/cm(3), far superior to state-of-the-art polymers and nanocomposites. Nature Publishing Group UK 2023-09-15 /pmc/articles/PMC10504251/ /pubmed/37714851 http://dx.doi.org/10.1038/s41467-023-41479-0 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Li, Xinhui
He, Shan
Jiang, Yanda
Wang, Jian
Yu, Yi
Liu, Xiaofei
Zhu, Feng
Xie, Yimei
Li, Youyong
Ma, Cheng
Shen, Zhonghui
Li, Baowen
Shen, Yang
Zhang, Xin
Zhang, Shujun
Nan, Ce-Wen
Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title_full Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title_fullStr Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title_full_unstemmed Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title_short Unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
title_sort unraveling bilayer interfacial features and their effects in polar polymer nanocomposites
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10504251/
https://www.ncbi.nlm.nih.gov/pubmed/37714851
http://dx.doi.org/10.1038/s41467-023-41479-0
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