title: The Preparation of Compressible and Fire-Resistant Sponge-Supported Reduced Graphene Oxide Aerogel for Electromagnetic Interference Shielding.
abstract: We here report a facile method to fabricate a sponge-supported reduced graphene oxide aerogel (S-RGOA) using a commercial melamine sponge and graphene oxide (GO). Firstly, GO sheets were self-assembled within the melamine sponge by the assistance of a chemical cross-linking agent; and then, freeze-drying and thermal treatment were adopted to prepare S-RGOA, in which continuous porous reduced graphene oxide (RGO) network formed between the skeleton. The resulting S-RGOA exhibited a high electromagnetic interference shielding effectiveness (EMI SE) of 20.4-27.3 dB in 8-12 GHz and the specific EMI SE could reach 1437 dB⋅cm(3) g(-1) . The mechanical test suggests that the lightweight S-RGOA is compressible and possesses low energy dissipation. Burning and TGA measurements indicate that S-RGOA is fire-resistant and has excellent thermal stability. Our work provides an economical and environmentally-friendly method to fabricate RGO aerogels for using as electromagnetic interference materials.
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Polymers and Polymer Composite Materials, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China.
authors.forename: Changzhen
authors.initials: C
authors.lastname: Liu
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Polymers and Polymer Composite Materials, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China.
authors.forename: Shibing
authors.initials: S
authors.lastname: Ye
authors.affiliation: State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Polymers and Polymer Composite Materials, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China. jcfeng@fudan.edu.cn.
authors.forename: Jiachun
authors.identifier: http://orcid.org/0000-0002-9410-7508
authors.initials: J
authors.lastname: Feng
keywords: electromagnetic interference shielding; fire-resistant aerogels; mechanical properties; reduced graphene oxides; self-assembly