期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 16, 页码 7612-7617出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta00590c
关键词
-
资金
- National Natural Science Foundation of China [21307002]
A new kind of nitrogen-rich fluorescent conjugated microporous polymer TTPB was synthesized via a Friedel-Crafts reaction of 2,4,6-trichloro-1,3,5-triazine (TCT) and N, N, N', N'-tetraphenylbenzidine (TPB) catalyzed by methanesulfonic acid. Having structural features of an expanded conjugated area, N-rich, twisted structure, and microporosity in polymer networks, TTPB showed excellent, efficient, reversible ultrahigh absorption performance for iodine vapour with an uptake of up to 4.43 g g(-1), which is the highest value reported to date for CMPs. Furthermore, fluorescence study indicated that TTPB exhibits high sensitivity to electron-deficient nitrobenzene explosives via fluorescence quenching.
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