Hi, I'm trying a procedure to synthesis nano ZIF-90 in water for specific application, but there is some problem. pxrd pattern for as-synthesized MOF is not completely compatible with charactristic XRD pattern of ZIF-90, in terms of tetha. on the other side, as article indicated, i choose 1 to 40 ratio of zinc acetate to 2-imidazole carboxaldehyde to obtain particles with the scale of 100 nm, but led to really low yield, there is not another way to reach nanosize ZIF-90? I appreciate if anyone has the same experience and could help me.
Besides, you can find PXRD for all of the six structures as attached. Methanol solvate was reported in this crystallography information files. Please make an overlay of these PXRD files with your experimental patterns and see whether your structure adopts with previous reports or not.
For more information, you can read these two papers, as well. (DOI:10.1021/ja805222x and DOI:10.1021/jacs.7b10897)
The following articles might be helpful...
1. Article Room-temperature synthesis of ZIF-90 nanocrystals and the de...
2. Article Rapid Room-Temperature Synthesis and Characterization of Nan...
3. Article Room-temperature synthesis of bimetallic Co-Zn based Zeoliti...
Hi dr Ali Samie , thanks for your precious advice. yes for ZIF-90 synthesis in methanol there is good agreement in PXRD peaks, for mine and simulated ones, but I couldn't find any CIF file for ZIF-90 synthesized in water, just found a PXRD pattern in this article: Nanoscale ATP-responsive Zeolitic Imidazole Framework-90 as a General Platform for Cytosolic Protein Delivery and Genome Editing
10.1021/jacs.8b11996
as you see it is different with the other patterns for ZIF-90
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