3 research outputs found
Optochemically Responsive 2D Nanosheets of a 3D Metal-Organic Framework Material
Outstanding functional tunability underpinning metal-organic framework (MOF)
confers a versatile platform to contrive next-generation chemical sensors,
optoelectronics, energy harvesters and converters. We report a rare exemplar of
a porous 2D nanosheet material, constructed from an extended 3D MOF structure.
We develop a rapid supramolecular self-assembly methodology at ambient
conditions, to synthesize readily-exfoliatable MOF nanosheets, functionalized
in situ by adopting the Guest@MOF (Host) strategy. Nanoscale confinement of
light-emitting molecules (as functional guest) inside the MOF pores generates
unusual combination of optical, electronic, and chemical properties, arising
from the strong host-guest coupling effects. We show highly promising photonics
based chemical sensing opened up by the new Guest@MOF composite systems. By
harnessing host-guest optochemical interactions of functionalized MOF
nanosheets, we have accomplished detection of an extensive range of volatile
organic compounds (VOCs) and small molecules important for many practical
applications.Comment: 21 pages, 5 figures, 1 schem