Halogen‐Bonded Organic Framework (XOF) Based on Iodonium‐Bridged N⋅⋅⋅I + ⋅⋅⋅N Interactions: A Type of Diphase Periodic Organic Network

Autor:	Fei Xie, Shigui Chen, Wei Zeng, Lu Wang, Jing Wang, Siheng Lv, Qian Li, Jixin Han, Yi Chen, Guanfei Gong, Ning Xia
Rok vydání:	2021
Předmět:	Crystallography Materials science X-ray photoelectron spectroscopy Electron diffraction Small-angle X-ray scattering Halogen General Chemistry General Medicine Selected area diffraction Spectroscopy High-resolution transmission electron microscopy Catalysis Powder diffraction
Zdroj:	Angewandte Chemie. 133:14957-14961
ISSN:	1521-3757 0044-8249
DOI:	10.1002/ange.202102448
Popis:	Due to the fascinating structures and wide applications, porous materials with open frameworks have attracted more and more attentions. Herein, a novel two-dimensional (2D) halogen-bonded organic framework ( XOF-TPPE ) was successfully designed and fabricated by iodonium-bridged N···I + ···N interactions between pyridyl groups and I + for the first time. The formation of XOF-TPPE and its linear analogue was monitored by 1 H NMR, UV-Vis, X-ray photoelectron spectroscopy (XPS), IR, SEM, TEM, HRTEM and selected-area electron diffraction (SAED). The structural model of XOF-TPPE was established based on powder X-ray diffraction (PXRD) data and theoretical simulations. Significantly, synchrotron small-angle X-ray scattering (SAXS), DLS and UV-vis spectroscopy experiments suggested that XOF-TPPE still maintains a stable 2D framework structure in solutions. This research opens up a novel avenue for the development of organic frameworks materials, and may bring new promising applications for the field of porous materials.
Databáze:	OpenAIRE
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