Journal of Nanomedicine & Nanotechnology

Self-construction from 2D to 3D: One-pot layer-by-layer (LbL) assembly of Graphene Oxide (GO) sheets held together by coordination polymers

9^th Nano Congress for Next Generation

August 01-02, 2016 Manchester, UK

Mohamed B Zakaria and Yusuke Yamauchi

Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo, 169-8555, World Premier International (WPI) Research Center for Materials Nanoarchitechtonics (MANA).
National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.

Posters & Accepted Abstracts: J Nanomed Nanotechnol

Abstract:

For further development of functional materials, a smart construction of functional 2D materials to well-defined 3D constructions is crucial. The best strategy in this line is a layer-by-layer (LbL) assembly that can provide well-designed alternate layered structures in nanoscale precision from a variety of functional components. Here, we demonstrate a novel synthetic strategy which entails deposition of Ni-based cyanide bridged coordination polymer (NiCNNi) flakes on the surface of Graphene Oxide (GO) sheets, and allows precise control of the resulting lamellar nano-architecture by in-situ crystallization. GO sheets are utilized as nucleation sites promoting the optimized crystal growth of NiCNNi flakes. The NiCNNi-coated GO sheets then self-assembled and are stabilized as ordered lamellar nanomaterials. This approach might be applied to many other inorganic-organic hybrids for ordered layer-bylayer (LbL) architectures. Regulated thermal treatment under nitrogen yields Ni3C-GO composite with a similar morphology to the starting material. The Ni3C-GO composite exhibits outstanding electro catalytic activity with strong durability for the oxygen reduction reaction.

Biography :

Email: MOHAMED.Barakat@nims.go.jp