Cellulose composite aerogel for highly efficient electromagnetic interference shielding
An ultra-light and highly conductive cellulose composite aerogel was fabricated by a simple, efficient and environmentally benign strategy. The scaffold structure was well designed from nanofibrillar networks to nanosheet networks by controlling the concentration of cellulose in the sodium hydroxide...
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Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2015-01, Vol.3 (9), p.4983-4991 |
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container_issue | 9 |
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container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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creator | Huang, Hua-Dong Liu, Chun-Yan Zhou, Dong Jiang, Xin Zhong, Gan-Ji Yan, Ding-Xiang Li, Zhong-Ming |
description | An ultra-light and highly conductive cellulose composite aerogel was fabricated by a simple, efficient and environmentally benign strategy. The scaffold structure was well designed from nanofibrillar networks to nanosheet networks by controlling the concentration of cellulose in the sodium hydroxide/urea solution. The obtained conductive aerogel was first reported as an electromagnetic interference shielding material; it exhibits an electromagnetic interference (EMI) shielding effectiveness of ∼20.8 dB and a corresponding specific EMI shielding effectiveness as high as ∼219 dB cm
3
g
−1
with microwave absorption as the dominant EMI shielding mechanism in the microwave frequency range of 8.2–12.4 GHz at a density of as low as 0.095 g cm
−3
. This result demonstrates that this type of green conductive aerogel has the potential to be used as lightweight shielding material against electromagnetic radiation, especially for aircraft and spacecraft applications. |
doi_str_mv | 10.1039/C4TA05998K |
format | Article |
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3
g
−1
with microwave absorption as the dominant EMI shielding mechanism in the microwave frequency range of 8.2–12.4 GHz at a density of as low as 0.095 g cm
−3
. This result demonstrates that this type of green conductive aerogel has the potential to be used as lightweight shielding material against electromagnetic radiation, especially for aircraft and spacecraft applications.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/C4TA05998K</identifier><language>eng</language><subject>Aerogels ; Cellulose ; Density ; Electromagnetic interference ; Electromagnetic interference shielding ; Nanostructure ; Networks ; Noise levels ; Shielding</subject><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2015-01, Vol.3 (9), p.4983-4991</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c305t-73acf4f77828f6941579be67a36469ab910c3f6fa96a3fc6444001eaf744a4563</citedby><cites>FETCH-LOGICAL-c305t-73acf4f77828f6941579be67a36469ab910c3f6fa96a3fc6444001eaf744a4563</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Huang, Hua-Dong</creatorcontrib><creatorcontrib>Liu, Chun-Yan</creatorcontrib><creatorcontrib>Zhou, Dong</creatorcontrib><creatorcontrib>Jiang, Xin</creatorcontrib><creatorcontrib>Zhong, Gan-Ji</creatorcontrib><creatorcontrib>Yan, Ding-Xiang</creatorcontrib><creatorcontrib>Li, Zhong-Ming</creatorcontrib><title>Cellulose composite aerogel for highly efficient electromagnetic interference shielding</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>An ultra-light and highly conductive cellulose composite aerogel was fabricated by a simple, efficient and environmentally benign strategy. The scaffold structure was well designed from nanofibrillar networks to nanosheet networks by controlling the concentration of cellulose in the sodium hydroxide/urea solution. The obtained conductive aerogel was first reported as an electromagnetic interference shielding material; it exhibits an electromagnetic interference (EMI) shielding effectiveness of ∼20.8 dB and a corresponding specific EMI shielding effectiveness as high as ∼219 dB cm
3
g
−1
with microwave absorption as the dominant EMI shielding mechanism in the microwave frequency range of 8.2–12.4 GHz at a density of as low as 0.095 g cm
−3
. This result demonstrates that this type of green conductive aerogel has the potential to be used as lightweight shielding material against electromagnetic radiation, especially for aircraft and spacecraft applications.</description><subject>Aerogels</subject><subject>Cellulose</subject><subject>Density</subject><subject>Electromagnetic interference</subject><subject>Electromagnetic interference shielding</subject><subject>Nanostructure</subject><subject>Networks</subject><subject>Noise levels</subject><subject>Shielding</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEYhIMoWGov_oIcRVhNmmw-jmVRKxa8VDwuaXyzjWQ3a5Ie-u9dqehcZg4PAzMIXVNyRwnT9w3frkittXo5Q7MlqUkluRbnf1mpS7TI-ZNMUoQIrWfovYEQDiFmwDb2Y8y-ADaQYgcBu5jw3nf7cMTgnLcehoIhgC0p9qYboHiL_VAgOUgwWMB57yF8-KG7QhfOhAyLX5-jt8eHbbOuNq9Pz81qU1lG6lJJZqzjTkq1VE5oTmupdyCkYYILbXaaEsuccEYLw5wVnHNCKBgnOTe8FmyObk69Y4pfB8il7X220yYzQDzklgqhlVRc1RN6e0JtijkncO2YfG_SsaWk_Tmw_T-QfQO8pmO3</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Huang, Hua-Dong</creator><creator>Liu, Chun-Yan</creator><creator>Zhou, Dong</creator><creator>Jiang, Xin</creator><creator>Zhong, Gan-Ji</creator><creator>Yan, Ding-Xiang</creator><creator>Li, Zhong-Ming</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150101</creationdate><title>Cellulose composite aerogel for highly efficient electromagnetic interference shielding</title><author>Huang, Hua-Dong ; Liu, Chun-Yan ; Zhou, Dong ; Jiang, Xin ; Zhong, Gan-Ji ; Yan, Ding-Xiang ; Li, Zhong-Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c305t-73acf4f77828f6941579be67a36469ab910c3f6fa96a3fc6444001eaf744a4563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Aerogels</topic><topic>Cellulose</topic><topic>Density</topic><topic>Electromagnetic interference</topic><topic>Electromagnetic interference shielding</topic><topic>Nanostructure</topic><topic>Networks</topic><topic>Noise levels</topic><topic>Shielding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Hua-Dong</creatorcontrib><creatorcontrib>Liu, Chun-Yan</creatorcontrib><creatorcontrib>Zhou, Dong</creatorcontrib><creatorcontrib>Jiang, Xin</creatorcontrib><creatorcontrib>Zhong, Gan-Ji</creatorcontrib><creatorcontrib>Yan, Ding-Xiang</creatorcontrib><creatorcontrib>Li, Zhong-Ming</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Hua-Dong</au><au>Liu, Chun-Yan</au><au>Zhou, Dong</au><au>Jiang, Xin</au><au>Zhong, Gan-Ji</au><au>Yan, Ding-Xiang</au><au>Li, Zhong-Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cellulose composite aerogel for highly efficient electromagnetic interference shielding</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>3</volume><issue>9</issue><spage>4983</spage><epage>4991</epage><pages>4983-4991</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>An ultra-light and highly conductive cellulose composite aerogel was fabricated by a simple, efficient and environmentally benign strategy. The scaffold structure was well designed from nanofibrillar networks to nanosheet networks by controlling the concentration of cellulose in the sodium hydroxide/urea solution. The obtained conductive aerogel was first reported as an electromagnetic interference shielding material; it exhibits an electromagnetic interference (EMI) shielding effectiveness of ∼20.8 dB and a corresponding specific EMI shielding effectiveness as high as ∼219 dB cm
3
g
−1
with microwave absorption as the dominant EMI shielding mechanism in the microwave frequency range of 8.2–12.4 GHz at a density of as low as 0.095 g cm
−3
. This result demonstrates that this type of green conductive aerogel has the potential to be used as lightweight shielding material against electromagnetic radiation, especially for aircraft and spacecraft applications.</abstract><doi>10.1039/C4TA05998K</doi><tpages>9</tpages></addata></record> |
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source | Alma/SFX Local Collection; Royal Society of Chemistry E-Journals |
subjects | Aerogels Cellulose Density Electromagnetic interference Electromagnetic interference shielding Nanostructure Networks Noise levels Shielding |
title | Cellulose composite aerogel for highly efficient electromagnetic interference shielding |
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