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In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications

Electrodes with hierarchical nanoarchitectures could promote electrochemical properties due to their largely exposed active sites and quick charge transfer. Herein, in situ grown hierarchical NiO nanosheet@nanowire films are reported by a one-step hydrothermal process followed by heat treatment. The...

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Autores principales: Yao, Shangzhi, Zhang, Yong, Cai, Jingyi, Hong, Yong, Wang, Yan, Cui, Jiewu, Shu, Xia, Liu, Jiaqin, Tan, Hark Hoe, Wu, Yucheng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: RSC 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9642607/
https://www.ncbi.nlm.nih.gov/pubmed/36545393
http://dx.doi.org/10.1039/d2na00505k
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author Yao, Shangzhi
Zhang, Yong
Cai, Jingyi
Hong, Yong
Wang, Yan
Cui, Jiewu
Shu, Xia
Liu, Jiaqin
Tan, Hark Hoe
Wu, Yucheng
author_facet Yao, Shangzhi
Zhang, Yong
Cai, Jingyi
Hong, Yong
Wang, Yan
Cui, Jiewu
Shu, Xia
Liu, Jiaqin
Tan, Hark Hoe
Wu, Yucheng
author_sort Yao, Shangzhi
collection PubMed
description Electrodes with hierarchical nanoarchitectures could promote electrochemical properties due to their largely exposed active sites and quick charge transfer. Herein, in situ grown hierarchical NiO nanosheet@nanowire films are reported by a one-step hydrothermal process followed by heat treatment. The unique NiO hierarchical nanostructures, which are composed of NiO nanowires grown on the surface of a nanosheet array, show improved electrochromic properties such as large optical modulation in different light regions (95% at 550 nm and 50.6% at 1000 nm), fast color change (9.8/5.4 s) and better coloring efficiency (91.2 cm(2) C(−1)) with long-term cycling properties (82.2% after 700 cycles). Simultaneously, the hierarchical nanostructures possess optimal areal capacitance (117.2 mF cm(−2)), rate performance and cycling properties. The enhanced electrochemical properties are due to the pretreated seed layer and the synergistic effect between the unique in situ grown ultrathin nanowire and the underlying vertical nanosheet layer which can strengthen the mechanical adhesion of the nanoarray film to the substrate and make both nanosheets and nanowires more exposed to the electrolyte, enhancing charge transfer and mass diffusion. This work provides a promising pathway towards developing high quality electrochromic energy storage devices.
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spelling pubmed-96426072022-12-20 In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications Yao, Shangzhi Zhang, Yong Cai, Jingyi Hong, Yong Wang, Yan Cui, Jiewu Shu, Xia Liu, Jiaqin Tan, Hark Hoe Wu, Yucheng Nanoscale Adv Chemistry Electrodes with hierarchical nanoarchitectures could promote electrochemical properties due to their largely exposed active sites and quick charge transfer. Herein, in situ grown hierarchical NiO nanosheet@nanowire films are reported by a one-step hydrothermal process followed by heat treatment. The unique NiO hierarchical nanostructures, which are composed of NiO nanowires grown on the surface of a nanosheet array, show improved electrochromic properties such as large optical modulation in different light regions (95% at 550 nm and 50.6% at 1000 nm), fast color change (9.8/5.4 s) and better coloring efficiency (91.2 cm(2) C(−1)) with long-term cycling properties (82.2% after 700 cycles). Simultaneously, the hierarchical nanostructures possess optimal areal capacitance (117.2 mF cm(−2)), rate performance and cycling properties. The enhanced electrochemical properties are due to the pretreated seed layer and the synergistic effect between the unique in situ grown ultrathin nanowire and the underlying vertical nanosheet layer which can strengthen the mechanical adhesion of the nanoarray film to the substrate and make both nanosheets and nanowires more exposed to the electrolyte, enhancing charge transfer and mass diffusion. This work provides a promising pathway towards developing high quality electrochromic energy storage devices. RSC 2022-09-27 /pmc/articles/PMC9642607/ /pubmed/36545393 http://dx.doi.org/10.1039/d2na00505k Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Yao, Shangzhi
Zhang, Yong
Cai, Jingyi
Hong, Yong
Wang, Yan
Cui, Jiewu
Shu, Xia
Liu, Jiaqin
Tan, Hark Hoe
Wu, Yucheng
In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title_full In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title_fullStr In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title_full_unstemmed In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title_short In situ grown hierarchical NiO nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
title_sort in situ grown hierarchical nio nanosheet@nanowire arrays for high-performance electrochromic energy storage applications
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9642607/
https://www.ncbi.nlm.nih.gov/pubmed/36545393
http://dx.doi.org/10.1039/d2na00505k
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