Research
3D Freeze Printing (3DFP) of Aerogel
3D printed pure, continuous, boundary free and truly 3D (e.g. with overhang structures) graphene aerogel with ultra-low density (0.5-10 g cm-3), high electrical conductivity (~ 15.4 S m-1) and high compressibility.
3DFP process.
Shock Wave-Graphene Interactions
Graphene can be aligned by the additive manufacturing process, such as vertical alignment in Step 1. Shock wave introduced by Step 2 will interact with vertically aligned graphene and generate stress concentration, thus nucleating nanotwins between graphene sheets under low shock pressure.
Step 1: laser sintering of graphene oxide/iron nanocomposite, 2D nanomaterials can be vertically aligned by the developed process.
Step 2: laser shock peening of graphene integrated iron matrix, introducing high density of nanotwins around graphene.
