Covalent organic frameworks: design, synthesis, and functions

K Geng, T He, R Liu, S Dalapati, KT Tan, Z Li… - Chemical …, 2020‏ - ACS Publications
Covalent organic frameworks (COFs) are a class of crystalline porous organic polymers with
permanent porosity and highly ordered structures. Unlike other polymers, a significant …

Adsorption-based capture of iodine and organic iodides: status and challenges

T Pan, K Yang, X Dong, Y Han - Journal of Materials Chemistry A, 2023‏ - pubs.rsc.org
Nuclear energy is a sustainable low-carbon energy source that plays an increasingly
important role in supporting the progress of human society. However, there are safety issues …

Efficient and simultaneous capture of iodine and methyl iodide achieved by a covalent organic framework

Y **e, T Pan, Q Lei, C Chen, X Dong, Y Yuan… - Nature …, 2022‏ - nature.com
Radioactive molecular iodine (I2) and organic iodides, mainly methyl iodide (CH3I), coexist
in the off-gas stream of nuclear power plants at low concentrations, whereas few adsorbents …

Chemically stable guanidinium covalent organic framework for the efficient capture of low-concentration iodine at high temperatures

Z Zhang, X Dong, J Yin, ZG Li, X Li… - Journal of the …, 2022‏ - ACS Publications
The capture of radioactive I2 vapor from nuclear waste under industrial operating conditions
remains a challenging task, as the practical industrial conditions of high temperature (≥ …

Ionic functionalization of multivariate covalent organic frameworks to achieve an exceptionally high iodine‐capture capacity

Y **e, T Pan, Q Lei, C Chen, X Dong… - Angewandte Chemie …, 2021‏ - Wiley Online Library
Abstract Adsorption‐based iodine (I2) capture has great potential for the treatment of
radioactive nuclear waste. In this study, we apply a “multivariate” synthetic strategy to …

A nitrogen-rich covalent organic framework for simultaneous dynamic capture of iodine and methyl iodide

L He, L Chen, X Dong, S Zhang, M Zhang, X Dai, X Liu… - Chem, 2021‏ - cell.com
The capture of radioiodine species during nuclear fuel reprocessing and nuclear accidents
is crucial for nuclear safety, environmental protection, and public health. Previously reported …

Pore space partition synthetic strategy in imine-linked multivariate covalent organic frameworks

M Hao, Y **e, M Lei, X Liu, Z Chen… - Journal of the …, 2023‏ - ACS Publications
Partitioning the pores of covalent organic frameworks (COFs) is an attractive strategy for
introducing microporosity and achieving new functionality, but it is technically challenging to …

Reversible iodine capture by nonporous adaptive crystals of a bipyridine cage

D Luo, Y He, J Tian, JL Sessler… - Journal of the American …, 2021‏ - ACS Publications
The ability to capture radioactive iodine species is crucial for nuclear accident preparedness
and nuclear waste treatment; however, it remains a challenge. Here we report a new readily …

Colyliform Crystalline 2D Covalent Organic Frameworks (COFs) with Quasi‐3D Topologies for Rapid I2 Adsorption

X Guo, Y Li, M Zhang, K Cao, Y Tian… - Angewandte Chemie …, 2020‏ - Wiley Online Library
Abstract Constructing three‐dimensional (3D) structural characteristics on two‐dimensional
(2D) covalent organic frameworks (COFs) is a good approach to effectively improve the …

Iodine capture in porous organic polymers and metal–organic frameworks materials

W **e, D Cui, SR Zhang, YH Xu, DL Jiang - Materials Horizons, 2019‏ - pubs.rsc.org
The enrichment of radioactive iodine in the waste of nuclear industries threatens human
health, and thus the efficient capture of iodine has attracted a great deal of attention in recent …