and their hybrids in MOF materials can
further broaden their potential applications.
Although several recent reports have
demonstrated the hybridization of MOFs
with graphene-based nanosheets,
in most cases, graphene nanosheets were
randomly distributed inside microsize MOF
crystals,or served as synthetic support
for the surface decoration of dispersed
MOF nanocrystals. The encapsulation
of other types of 2D nanomaterials and
their related composites in MOF matrices
to form 2D coreshell structures, unfortunately,
has not been realized. Herein, we
demonstrate the coating of various 2D
materials including MoS2, graphene oxide
(GO), and reduced graphene oxide (rGO)
nanosheets, as well as their hybrids with
metal nanoparticles (i.e., Pt-MoS2, Pt-GO,
and Pt-rGO) with MOFs (i.e., ZIF-8 used
here). As a proof of concept, the memory
device based on MoS2@ZIF-8 hybrid
has been investigated, which exhibits
the write-once-read-many-times (WORM)
memory effect with high ON/OFF ratio and
long operating lifetime.