Graphene Oxide/Cement Composites for Electromagnetic Interference Shielding

Abstract:

Graphene oxide (GO) synthesized through a modified Hummers’ method was added into cement matrix to prepare GO/cement. The microstructure, mechanical properties, and the electromagnetic shielding effectiveness (SE) at 8.2–12.4 GHz of GO/cement composite were investigated. It has been observed that incorporation of GO in the cement matrix can regulate to form flower-like hydration crystals and distinctly enhance the flexural/compressive early stage strength of GO/cement composites. Furthermore, GO sheets played a vital role in effectively improve the shielding effectiveness with the dominant shielding mechanism of absorption of electromagnetic radiation.

• Periodical: Materials Science Forum (Volumes 809-810)
• Pages: 485-489
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.809-810.485
• Online since: December 2014
• Authors: Dan Zhao, Juan Chen, Qun Gao, He Yi Ge*
• Keywords: Cement-Based Composite, Electromagnetic Interference Shielding, Graphene Oxide, Mechanical Property

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