Dear beloved scientist.

I have a question regarding ZIF-8 Nanoparticles synthesis. I used Zn(NO3)2.6 H2O as Zn2+ precursor and 1,2-dimethylimidazole (1,2-Dmim) as the Mim source with molar ratio of 1:4. Then they were solved in 50 ml methanol and stirred for 24 h at room temperature. But, after 2- 3 hours, there is no color change in the reaction solution. I use this journal as my reference for synthesis (Article ZIF-8-Based Quasi-Solid-State Electrolyte for Lithium Batteries

). Is it normal to have no color change after several hours? How the color of the solution of the success reaction of ZIF-8 NPs? Because it's my first time to do this synthesis. Do you have any opinion that can improve my method? Your opinion regarding this matter is very welcomed.

Thank you.

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