期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 4, 期 42, 页码 16714-16722出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta06656a
关键词
-
资金
- National Natural Science Foundation of China (NSFC) [21274081, 21574075]
A novel hybrid nanoporous network was easily fabricated by the one-step Heck reaction of octavinylsilsesquioxane with dibromothiophene. FTIR, solid state CP-MAS-NMR (C-13 and Si-29), and elemental analysis indicate that a thiophene unit has been successfully introduced into the silsesquioxane-based network. The Brunauer-Emmett-Teller (BET) measurement shows that this hybrid network possesses a high surface area of 915 m(2) g(-1), a large pore volume of 1.61 cm3 g(-1), and unique hierarchical pores, i.e. uniform micropores and continuous multimodal mesopores. Remarkably, it displays an ultrahigh adsorption capability of 1402 mg g(-1) for Rhodamine B, and 862 mg g(-1) for Methylene Blue, which are among the highest values compared with other reported adsorbents. It also shows a good removal capability of toxic heavy metal ions from wastewater. More importantly, it could remove multiple pollutants efficiently from wastewater by simple filtration and possesses excellent regeneration performance.
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