Stable melt formation of 2D nitrile-based coordination polymer and hierarchical crystal-glass structuring

Crystal melting and vitrification of nitrile-based two-dimensional coordination polymer (CP) were studied. The crystal melts at 169 °C and has a wide liquid-state temperature window of over 110 °C. The crystalline state transformed to a glassy state by melt-quench or mechanical milling. The mechanic...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 63; pp. 898 - 8983
Main Authors Das, Chinmoy, Ogawa, Tomohiro, Horike, Satoshi
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 14.08.2020
Subjects
Coordination polymers
Crystal structure
Crystallization
Glass
Mechanical milling
Melts (crystal growth)
Porosity
solvents
temperature
Vitrification
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Summary:Crystal melting and vitrification of nitrile-based two-dimensional coordination polymer (CP) were studied. The crystal melts at 169 °C and has a wide liquid-state temperature window of over 110 °C. The crystalline state transformed to a glassy state by melt-quench or mechanical milling. The mechanically induced glass showed permanent porosity, and it also showed glass-to-crystal transformation upon solvent treatment. Surface crystallization on top of the grain-boundary-free glass monolith was demonstrated. 2D nitrile-based coordination polymer crystal shows over 110 °C of windows of liquid state and it forms a glass monolith.
Bibliography:Electronic supplementary information (ESI) available: Experimental details, PXRD, FT-IR, XAS, PDF and adsorption isotherms. See DOI
10.1039/d0cc03691a
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d0cc03691a