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Reversible One- to Two- to Three-Dimensional Transformation in CuII Coordination Polymer
Yao Jing1, Yukihiro Yoshida1, Pingping Huang1
1Division of Chemistry, Graduate School of Science, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan.
Angewandte Chemie (International Ed. in English)
|February 3, 2022
Summary
This study demonstrates reversible 1D, 2D, and 3D transformations in copper-terephthalate coordination polymers. These dimensional changes impact gas sorption and magnetic properties, with 3D structures showing enhanced absorption and ferromagnetism.
Area of Science:
- Materials Science
- Chemistry
- Nanotechnology
Background:
- Coordination polymers exhibit diverse structures and properties.
- Controlling dimensionality is key to tuning material characteristics.
Purpose of the Study:
- To demonstrate reversible dimensional transformations (1D, 2D, 3D) in copper-terephthalate coordination polymers.
- To investigate the impact of these transformations on gas sorption and magnetic properties.
Main Methods:
- Synthesis of copper-terephthalate coordination polymers.
- Reversible structural transformations induced by solvent removal/adsorption (water, N,N-dimethylformamide).
- Characterization of gas sorption and magnetic properties.
Main Results:
- Achieved reversible 1D to 2D transformation via water elimination, forming Cu-paddlewheels.
- Demonstrated reversible 2D to 3D transformation by manipulating coordinated N,N-dimethylformamide.
- Observed significant differences in gas sorption, with 3D structures showing pronounced uptake.
- Reported distinct magnetic behaviors correlating with structural dimensionality (1D chains, 2D sheets, 3D networks).
Conclusions:
- Reversible dimensional transformations in coordination polymers are achievable.
- Structural dimensionality critically influences gas sorption and magnetic properties.
- Copper-terephthalate coordination polymers offer tunable properties through controlled structural changes.
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