Journal
ULTRASONICS SONOCHEMISTRY
Volume 55, Issue -, Pages 186-195Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2019.02.014
Keywords
2D-structures; Coordination polymers; Nanomaterials; Delamination process; Ultrasound-assisted process
Categories
Funding
- Spanish Government funds [MAT 2015-70615-R]
- European Regional Development Fund (ERDF)
- CERCA Program/Generalitat de Catalunya
- Severo Ochoa program from Spanish Ministry of Economy, Industry and Competitiveness (MINECO) [SEV-2017-0706]
- la Caixa Foundation [100010434, LCF/BQ/ES17/11600012]
- MINECO [BES-2015-071492]
- Generalitat Valenciana [Prometeo2014/11/076]
- Spanish MINECO [CTQ2017-87201-P AEI/FEDER]
- EU
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Two novel cadmium-based 2D coordination polymers have been synthesized and characterized. Experimental results evidence that the best delamination processes occurs when weak interactions dominate the cohesion between layers and solvent molecules are occluded within the crystalline network. In this case, the delamination of the crystals occurs spontaneously in water. On top of that, and thanks to the high stability of the resulting (flake) colloidal dispersions, we have completed a detailed study of the sonication assisted delamination impact by: I) comparison of two different sonication approaches (bath vs. tip sonication) and II) optimization of final flake morphology and yield by controlling solvent and sonication time. Our results definitely pave the way for the fabrication and implementation of 2D coordination polymers using ultrasound.
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