Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88780
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dc.contributor.authorZhang, Youfangen
dc.contributor.authorWang, Peiyuen
dc.contributor.authorPei, Yongmaoen
dc.contributor.authorChen, Mingjien
dc.contributor.authorLu, Xuehongen
dc.contributor.authorZeng, Zhihuien
dc.contributor.authorWang, Changxianen
dc.contributor.authorSeyed Shahabadi, Seyed Ismailen
dc.date.accessioned2018-04-25T07:47:35Zen
dc.date.accessioned2019-12-06T17:10:47Z-
dc.date.available2018-04-25T07:47:35Zen
dc.date.available2019-12-06T17:10:47Z-
dc.date.copyright2018en
dc.date.issued2018en
dc.identifier.citationZeng, Z., Wang, C., Zhang, Y., Wang, P., Seyed Shahabadi, S. I., Pei, Y., et al. (2018). Ultralight and Highly Elastic Graphene/Lignin-Derived Carbon Nanocomposite Aerogels with Ultrahigh Electromagnetic Interference Shielding Performance. ACS Applied Materials and Interfaces, 10 (9), 8205–8213.en
dc.identifier.issn1944-8244en
dc.identifier.urihttps://hdl.handle.net/10356/88780-
dc.description.abstractUltralight and highly elastic reduced graphene oxide (RGO)/lignin-derived carbon (LDC) composite aerogels with aligned micron-sized pores and cell walls are prepared using a facile freeze-drying method. The presence of a small fraction of LDC in the cell walls enhances the interfacial polarization effect while almost maintaining the amount of charge carriers and conductivity of the cell walls, greatly boosting the wave absorption capability of the cell walls. RGO/LDC aerogels also show a greater number of large cell walls with better integrity than RGO aerogels, further improving the multiple reflection ability of the aligned cell walls. Synergistic effects of the multiphase cell walls and the preferred microstructures of the RGO/LDC aerogels lead to their high electromagnetic interference (EMI) shielding effectiveness of 21.3–49.2 dB at an ultralow density of 2.0–8.0 mg/cm3. This corresponds to the surface-specific SE (SE divided by density and thickness) up to 53 250 dB·cm2/g, which is higher than the values reported for other carbon- and metal-based shields. Furthermore, the critical roles that microstructures play in determining the EMI shielding performance are directly revealed by comparing the shielding performance in directions parallel and normal to cell walls, as well as in an in situ compression process.en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.format.extent35 p.en
dc.language.isoenen
dc.relation.ispartofseriesACS Applied Materials and Interfacesen
dc.rights© 2018 American Chemical Society (ACS). This is the author created version of a work that has been peer reviewed and accepted for publication by ACS Applied Materials and Interfaces, American Chemical Society (ACS). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1021/acsami.7b19427].en
dc.subjectPorous Architecturesen
dc.subjectLightweighten
dc.titleUltralight and Highly Elastic Graphene/Lignin-Derived Carbon Nanocomposite Aerogels with Ultrahigh Electromagnetic Interference Shielding Performanceen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.1021/acsami.7b19427en
dc.description.versionAccepted versionen
dc.identifier.rims206341en
item.grantfulltextopen-
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