Journal
CRYSTENGCOMM
Volume 18, Issue 11, Pages 1866-1870Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ce00031b
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Funding
- Creation of New Business and Industry Program through Kochi Prefectural Industry-Academia-Government Collaboration Research Promotion Operation
- Grants-in-Aid for Scientific Research [26460057] Funding Source: KAKEN
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A millimeter-long metal-organic framework fiber has been successfully constructed. The fiber structure was unexpectedly found via the solvent vaporization process of a dispersion of a Zn-based MOF crystal. Detailed experiments and structural analysis indicate that a humid environment is a key to the growth of the fiber structure, inducing drastic transformation of the MOF crystal morphology from the nanoscopic to macroscopic scale. Synchrotron X-ray single-crystal diffraction analysis reveals that the complete crystal transformation from the Zn-MOF sheet to Zn-MOF fiber is accompanied by water coordination and ligand rearrangement. The highly anisotropic MOF fiber is easily converted to an electro conductive fiber while maintaining the long-fiber morphology.
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