Molecular Iodine Capture by Covalent Organic Frameworks
Abstract
:1. Introduction
2. Mechanism of Iodine Capture by COFs
2.1. Methods for Studying Adsorption Mechanism
2.2. Physical Adsorption of Iodine by COFs
2.3. Synergistic Effect of Physical and Chemical Adsorption
3. Factors Affecting the Molecular Iodine Capture Performance of COFs
3.1. Structural Characteristics of COFs
3.1.1. Porosity
3.1.2. π-Conjugated Systems
3.1.3. Dimensions of COFs
3.1.4. Flexibility of the Skeleton
3.2. Electron-Rich Functional Groups
COFs | BET (m2·g−1) | Pore Size (nm) | Pore Volume (cm3·g−1) | I2 Uptake (g·g−1) | Adsorption Equilibrium Time (h) | Adsorption Mechanism a | Ref. |
---|---|---|---|---|---|---|---|
PA-TT COF | 48.6 | 2.45 | 0.112 | 5.1 | 12 | P-C | [48] |
PB-TT COF | 1305.3 | 3.67 | 0.986 | 5.97 | 72 | P-C | [48] |
TTF-TAPT | 461 | / | 0.28 | 5.02 | 18 | P-C | [49] |
JUC-560 | 1815 | 2.6 | 1.11 | 5.2 | 14 | P-C | [50] |
JUC-561 | 2359 | 2.55 | 1.92 | 8.19 | 18 | P-C | [50] |
TPB-DMTP | 1927 | 3.3 | 1.28 | 6.26 | 48 | P | [53] |
TTA-TTB | 1733 | 2.2 | 1.01 | 4.95 | 96 | P-C | [53] |
Micro-COF-1 | 816 | 1.6 | 0.59 | 2.9 | 75 | P-C | [54] |
Micro-COF-2 | 1056 | 1.7 | 0.71 | 3.5 | 75 | P-C | [54] |
Meso-COF-3 | 982 | 4.0 | 0.84 | 4 | 75 | P-C | [54] |
Meso-COF-4 | 926 | 4.7 | 1.01 | 3.3 | 75 | P-C | [54] |
COF-TpgDB | 209.6 | 6.8 | 0.36 | 2.75 | 65 | P-C | [58] |
COF-TpgBD | 217.9 | 8.3 | 0.46 | 1.81 | 65 | P-C | [58] |
QTD-COF-1 | / | 1.36/1.72 | / | 6.29 | 20 | P-C | [60] |
NH2-Th-Bta | 10 | 2.4 | / | 3.58 | 37 | P-C | [75] |
Th-Bta | 22 | 2.6 | / | 0.68 | 37 | P-C | [75] |
TJNU-201 | 2510 | 1.4 | / | 5.625 | 96 | P-C | [77] |
TJNU-202 | 714 | 1.7 | / | 4.82 | 96 | P-C | [77] |
TJNU-203 | 1833 | 0.98 | / | 5.885 | 100 | P-C | [78] |
TJNU-204 | 2048 | 0.89 | / | 5.335 | 100 | P-C | [78] |
TPT-Azine | 1020 | 2.5 | 0.65 | 2.19 | / | P | [79] |
4. Conclusions and Outlook
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Yang, Y.; Tu, C.; Yin, H.; Liu, J.; Cheng, F.; Luo, F. Molecular Iodine Capture by Covalent Organic Frameworks. Molecules 2022, 27, 9045. https://doi.org/10.3390/molecules27249045
Yang Y, Tu C, Yin H, Liu J, Cheng F, Luo F. Molecular Iodine Capture by Covalent Organic Frameworks. Molecules. 2022; 27(24):9045. https://doi.org/10.3390/molecules27249045
Chicago/Turabian StyleYang, Yuting, Changzheng Tu, Hongju Yin, Jianjun Liu, Feixiang Cheng, and Feng Luo. 2022. "Molecular Iodine Capture by Covalent Organic Frameworks" Molecules 27, no. 24: 9045. https://doi.org/10.3390/molecules27249045