Graphene in the Domain of Construction: A Review of Applications and Prospects
The search for a strong, durable, economical and environmentally friendly material has resulted in development of new technologies and materials in the construction domain. Graphene is a crystalline allotrope of carbon with two-dimensional properties. Though theoretically it was explored in 1947, only recently in 2004, it was possible to extract the single-layer graphene. With an intrinsic tensile strength of 130.5 GPa and Young’s modulus of 1 TPa, it is the strongest material ever tested. For its properties such as excellent strength, good thermal and electrical conductivities, high surface area, and for potential to absorb and store harmful gases, it has been hailed as the material for near future by the construction experts. Because of the associated symmetry in its ideal structure, graphene has a near inertness for which it can be expected to offer increased corrosion resistance. Further, the low carbon footprint associated with graphene production makes it environmentally more benign compared to several cementitious materials. In the above context, a review of research literatures relating usage of graphene in fields of construction domain including concrete and protective paints has been presented here. The review aims to compile the reported performances and relate those to the scientific evidences in regard to physical and chemical properties of the graphene. The review is expected to help researchers to identify further areas for the exploration and for improvement of the existing technologies to overcome the limitations.
KeywordsGraphene Cement composites Protective paints
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