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. 2022 Jul 20;13(30):8727–8743. doi: 10.1039/d2sc03441g

Overview of the synthetic methods of MOFs along with their features, temperature-duration and advantages.

S. no. Synthetic methods Features Temperature-duration Advantages
1 Solvothermal (hydrothermal) Solvents such as water, DMF used At 353–453 K for 2–3 days • High yield of MOF
• High surface area and porosity of MOF
• Highly crystalline MOF
2 Non-solvothermal Under the boiling point of solvent At 298 K for several days to months • Carried out at room temperature or simple heating
• Simple equipment required
3 Electrochemical Through anodic dissolution or cathodic deposition At 273–303 K for 10–30 min • Suitable for synthesis of large quantity of MOF
• No formation or separation of anions required
4 Mechanochemical Chemical transformation through milling or grinding At 298 K for 30 min−2 h • No washing or activation required
• Suitable for metal precursor with low solubility
5 Microfluidics Reaction in microfluidic channel At 323–423 K for few minutes • Fast crystallization rate
• Great control over morphology of MOF crystal
6 Microwave-assisted Interaction between reactants and radiation At 303–373 K for 4 min−4 h • Good efficiency in short duration
• Great control over reaction parameters and morphology of MOF crystals
7 Ionothermal Ionic liquids used as solvent and template At 333–373 K for 6 h • Environmentally-friendly method
• Great control over morphology of MOF crystals
8 Sonochemical Ultrasonic waves used for acoustic cavitation effect At 272–313 K for 30–180 min • Fast crystallization rate
• Suitable for small particle size
9 Spray drying Atomization of MOF precursor solution using spray drier At 423–453 K for 5–10 min • Fast and simple technique
• Suitable for multi-metallic MOFs
10 Flow chemistry Continuous MOF synthesis in tube reactors At 353 K for 5–10 min • Low material and energy consumption
• Ease in down streaming