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Electroless Ag-plated sponges by tunable deposition onto cellulose-derived templates for ultra-high electromagnetic interference shielding.

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Title: Electroless Ag-plated sponges by tunable deposition onto cellulose-derived templates for ultra-high electromagnetic interference shielding.
Authors: Wu, Li-Ping1, Li, Ying-Zhan1, Wang, Bi-Jia1, Mao, Zhi-Ping1, Xu, Hong1, Zhong, Yi1, Zhang, Lin-Ping1, Sui, Xiao-Feng1 suixf@dhu.edu.cn
Source: Materials & Design. Dec2018, Vol. 159, p47-56. 10p.
Subjects: Electrophoretic deposition, Silver, Cellulose, Electromagnetism, Electroplating
Abstract: Abstract Environmental-friendly cellulose-derived sponges were employed as porous templates to achieve uniform Ag deposition via a facile and economical electroless plating method. SEM and BET results confirmed an Ag layer was deposited on cellulose composite sponges without damaging the porous structure. XPS and XRD analysis demonstrated substantial interactions between porous substrates and Ag particles. When utilized as electromagnetic interference (EMI) shielding materials, a 3.2 mm thick silver-plated sponge exhibited a total shielding effectiveness (SE total) value of as high as 120.85 dB in the frequency range of 10–1500 MHz when the plating time was 120 min. Moreover, the conductive sponges displayed absorption-dominant mechanism to alleviate secondary radiation, making them promising candidates as high EMI shielding materials. Graphical abstract Unlabelled Image Highlights • Highly conductive electroless silver plated cellulose composite sponges were obtained with maximum conductivity of 2288 S/m. • Surface and interior moiety of sponges still retained porous structure after condense deposition of Ag layer. • The highest total shielding effectiveness of 120.85 dB was obtained when plating time was 120 min. • Absorption-dominant shielding mechanism was obtained, helping to reduce secondary radiation pollution. [ABSTRACT FROM AUTHOR]
Copyright of Materials & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 131884844
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Electroless Ag-plated sponges by tunable deposition onto cellulose-derived templates for ultra-high electromagnetic interference shielding.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Li-Ping%22">Wu, Li-Ping</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Ying-Zhan%22">Li, Ying-Zhan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Bi-Jia%22">Wang, Bi-Jia</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mao%2C+Zhi-Ping%22">Mao, Zhi-Ping</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xu%2C+Hong%22">Xu, Hong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhong%2C+Yi%22">Zhong, Yi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Lin-Ping%22">Zhang, Lin-Ping</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sui%2C+Xiao-Feng%22">Sui, Xiao-Feng</searchLink><relatesTo>1</relatesTo><i> suixf@dhu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+%26+Design%22">Materials & Design</searchLink>. Dec2018, Vol. 159, p47-56. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Electrophoretic+deposition%22">Electrophoretic deposition</searchLink><br /><searchLink fieldCode="DE" term="%22Silver%22">Silver</searchLink><br /><searchLink fieldCode="DE" term="%22Cellulose%22">Cellulose</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetism%22">Electromagnetism</searchLink><br /><searchLink fieldCode="DE" term="%22Electroplating%22">Electroplating</searchLink>
– Name: Abstract
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  Data: Abstract Environmental-friendly cellulose-derived sponges were employed as porous templates to achieve uniform Ag deposition via a facile and economical electroless plating method. SEM and BET results confirmed an Ag layer was deposited on cellulose composite sponges without damaging the porous structure. XPS and XRD analysis demonstrated substantial interactions between porous substrates and Ag particles. When utilized as electromagnetic interference (EMI) shielding materials, a 3.2 mm thick silver-plated sponge exhibited a total shielding effectiveness (SE total) value of as high as 120.85 dB in the frequency range of 10–1500 MHz when the plating time was 120 min. Moreover, the conductive sponges displayed absorption-dominant mechanism to alleviate secondary radiation, making them promising candidates as high EMI shielding materials. Graphical abstract Unlabelled Image Highlights • Highly conductive electroless silver plated cellulose composite sponges were obtained with maximum conductivity of 2288 S/m. • Surface and interior moiety of sponges still retained porous structure after condense deposition of Ag layer. • The highest total shielding effectiveness of 120.85 dB was obtained when plating time was 120 min. • Absorption-dominant shielding mechanism was obtained, helping to reduce secondary radiation pollution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Materials & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.matdes.2018.08.037
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Silver
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      – SubjectFull: Cellulose
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      – SubjectFull: Electroplating
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      – TitleFull: Electroless Ag-plated sponges by tunable deposition onto cellulose-derived templates for ultra-high electromagnetic interference shielding.
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            NameFull: Wu, Li-Ping
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              Text: Dec2018
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              Y: 2018
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