Continuous flow synthesis of porous materials

• Published in: Chinese chemical letters Vol. 31; no. 6; pp. 1448 - 1461
• Main Authors: Xin, Yu, Peng, Sheng, Chen, Junxing, Yang, Zujin, Zhang, Jianyong
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.06.2020; MOE Laboratory of Polymeric Composite and Functional Materials, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
• Subjects: Continuous flow; Covalent-organic frameworks; Metal-organic frameworks; Porous materials; Zeolites; Covalent-organic frameworks; Metal-organic frameworks; Zeolites; Porous materials; Continuous flow
• ISSN: 1001-8417; 1878-5964
• DOI: 10.1016/j.cclet.2019.09.054

Continuous flow synthesis of various porous materials such as metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), porous organic cages and zeolites is discussed. [Display omitted] Porous materials play an important role in chemical catalysis, separation and other industrial applications. High-efficiency preparation of porous materials has become an active research area. Conventional synthesis of porous materials has been dominated by one-pot solution processing conditions carried out by bulk mixing under conventional electric heating via hydrothermal, solvothermal or ionothermal reactions where high temperatures and pressures are the standard. Continuous flow synthesis has many key advantages in terms of efficient mass and heat transfer, precise control of residence times, improved opportunities for automation and feedback control of synthesis, scaling-up reactions and improved safety parameters compared to above mentioned conventional batch scale synthetic methods. In this review, continuous flow synthesis of various crystalline porous materials such as metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), porous organic cages and zeolites is discussed. Combination of microfluidic methods with other techniques are also shown including various heating ways and various methods of substrate adding.