Fig. 1: Fabrication of nano-sandwiches.
From: Sandwiching of MOF nanoparticles between graphene oxide nanosheets among ice grains
a Scheme of the fabrication process of nano-sandwiches by confined freeze assembly. b SEM images of the randomly assembled MOF-GO composites. c Ultramicrotomy of ZIF-8-GO for TEM study. d, e Electron tomography and SEM images of the ZIF-8-GO nano-sandwich. f Digital photographs of four MOF-GO nano-sandwiches to verify the generality of the strategy and potential for the upscaling. g Ordered nanoparticles with different degrees of assembly. Scale bar, 500 nm.
