Shape
Matching in Superatom Chemistry and Assembly
Posted on 2020-06-30 - 19:05
Creating
structures with superatomic nanoclusters rather than atoms
offers the possibility of new hierarchical solids with collective
properties. The variability of chemical compositions, sizes, and shapes
of these superatomic building blocks provides great opportunities
to access unknown assemblies. Herein we explore this concept by using
geometrically anisotropic superatomic nanoclusters as building blocks.
We reveal a series of novel superatomic architectures that are built
from rod-shaped Co12Se16(PEt3)10 and C140 nanoclusters. More importantly, these
assemblies show nonclose packings that afford voids to accommodate
solvent molecules as a result of the shape anisotropy of the constituent
building blocks. These intercalated small molecules act as “crystal
modulators” to modulate the solid-state structures and properties.
As a result, we are able to tune the crystal packings and optical
gaps of the solids and see the moment when electrical conduction is
“turned on”. Our results demonstrate the vast potential
of using anisotropic superatomic nanoclusters to create solid-state
materials and provide a novel approach to configure their assemblies
and properties.
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Yang, Jingjing; Wang, Feifan; Russell, Jake C.; Hochuli, Taylor J.; Roy, Xavier; Steigerwald, Michael L.; et al. (2020). Shape
Matching in Superatom Chemistry and Assembly. ACS Publications. Collection. https://doi.org/10.1021/jacs.0c04321
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AUTHORS (9)
JY
Jingjing Yang
FW
Feifan Wang
JR
Jake C. Russell
TH
Taylor J. Hochuli
XR
Xavier Roy
MS
Michael L. Steigerwald
XZ
Xiaoyang Zhu
DP
Daniel W. Paley
CN
Colin Nuckolls
KEYWORDS
building blocksshape anisotropynovel approachsuperatomic building blocksmolecules actanisotropic superatomic nanoclustersassemblies show nonclose packingschemical compositionsSuperatom Chemistryassemblycrystal packingsconstituent building blocksPEt 3C 140 nanoclusterssuperatomic nanoclustersnovel superatomic architecturessolidrod-shaped Co 12 Se 16