Gaoquan Shi and co-workers have made composite films comprising graphene oxide sheets and silk fibroin in a layered structure, which mimic natural nacre. They demonstrate a facile solution-casting method for incorporating the fibroin into graphene oxide.
The impressive mechanical properties of their material, surpassing those of natural nacre in some ways, make it potentially useful as a high-strength structural material. The biocompatibility of the material components also makes the composite promising for biological applications, such as tissue engineering.
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Strong composite films with layered structures prepared by casting silk fibroin–graphene oxide hydrogels
Liang Huang, Chun Li, Wenjing Yuan and Gaoquan Shi