A Porous Crystalline Nitrone-Linked Covalent Organic Framework

被引：16

作者：

Kurandina, Daria ^{[5
,6
]}

Huang, Banruo ^{[4
]}

Xu, Wentao ^{[5
,6
]}

Hanikel, Nikita ^{[5
,6
]}

Daru, Andrea ^{[7
,8
]}

Stroscio, Gautam D. ^{[7
,8
]}

Wang, Kaiyu ^{[1
,2
]}

Gagliardi, Laura ^{[7
,8
]}

Toste, F. Dean ^{[4
]}

Yaghi, Omar M. ^{[1
,2
,3
]}

机构：

[1] Univ Calif Berkeley, Kavli Energy Nanosci Inst, Dept Chem, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Bakar Inst Digital Mat Planet, Div Comp Data Sci & Soc, Berkeley, CA 94720 USA

[3] UC Berkeley, KACST Joint Ctr Excellence Nanomat Clean Energy A, King Abdulaziz City Sci & Technol, Riyadh 11442, Saudi Arabia

[4] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[5] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[6] Univ Calif Berkeley, Kavli Energy Nanosci Inst, Berkeley, CA 94720 USA

[7] Univ Chicago, Pritzker Sch Mol Engn, Dept Chem, Chicago, IL 60637 USA

[8] Univ Chicago, Chicago Ctr Theoret Chem, Chicago, IL 60637 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2023年 / 62卷 / 36期

基金：

美国国家科学基金会;

关键词：

Atmospheric Water Harvesting; Covalent Organic Frameworks; Light Rearrangement; Nitrone; SCAN META-GGA; CARBON-DIOXIDE; IRRADIATION; LINKAGES; STORAGE;

D O I：

10.1002/anie.202307674

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Herein, we report the synthesis of a nitrone-linked covalent organic framework, COF-115, by combining N, N & PRIME;, N & PRIME;, N & PRIME;& PRIME;& PRIME;-(ethene-1, 1, 2, 2-tetrayltetrakis(benzene-4, 1-diyl))tetrakis(hydroxylamine) and terephthaladehyde via a polycondensation reaction. The formation of the nitrone functionality was confirmed by solid-state C-13 multi cross-polarization magic angle spinning NMR spectroscopy of the C-13-isotope-labeled COF-115 and Fourier-transform infrared spectroscopy. The permanent porosity of COF-115 was evaluated through low-pressure N-2, CO2, and H-2 sorption experiments. Water vapor and carbon dioxide sorption analysis of COF-115 and the isoreticular imine-linked COF indicated a superior potential of N-oxide-based porous materials for atmospheric water harvesting and CO2 capture applications. Density functional theory calculations provided valuable insights into the difference between the adsorption properties of these COFs. Lastly, photoinduced rearrangement of COF-115 to the associated amide-linked material was successfully demonstrated.

引用

页数：5

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