Abstract:
:Naturally occurring single crystals having a multidomain morphology are a counterintuitive phenonomon: the macroscopic appearance is expected to follow the symmetry of the unit cell. Growing such crystals in the lab is a great challenge, especially from organic molecules. We achieve here uniform metallo-organic crystals that exhibit single crystallinity with apparently distinct domains and chirality. The chirality is present at both the molecular and macroscopic levels, although only achiral elements are used. "Yo-yo"-like structures having opposite helical handedness evolve from initially formed seemingly achiral cylinders. This non-polyhedral morphology coexists with a continuous coordination network forming homochiral channels. This work sheds light on the enigmatic aspects of fascinating crystallization processes occurring in biological mineralization. Our findings open up opportunities to generate new porous and hierarchical chiral materials.
journal_name
Nat Communjournal_title
Nature communicationsauthors
di Gregorio MC,Shimon LJW,Brumfeld V,Houben L,Lahav M,van der Boom MEdoi
10.1038/s41467-019-13925-5subject
Has Abstractpub_date
2020-01-20 00:00:00pages
380issue
1issn
2041-1723pii
10.1038/s41467-019-13925-5journal_volume
11pub_type
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