Journal
ADVANCED MATERIALS
Volume 31, Issue 16, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201900104
Keywords
adsorption; fluorescence; microporous materials; pH responsive; smart polymer
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Funding
- National Natural Science Foundation of China [U1601206, 51872336, 51703254, 51422307, 21771066]
- Leading Scientific, Technical and Innovation Talents of Guangdong Special Support Program [2017TX04C248]
- National Program for Support of Top-notch Young Professionals
- Fundamental Research Funds for the Central Universities [18lgzd10, 17lgpy89]
- Special Funds for Training Talents in Quanzhou
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It remains a formidable challenge to construct advanced adsorbents with superb adsorption, environmental stimuli response, and real-time detection capability for efficiently treating contaminants from complex environmental systems. A novel class of an all-in-one microporous adsorbent that simultaneously has excellent environmental chemosensory responsivity, visual detectivity, superfast micropollutant adsorption, as well as easy regeneration is reported herein. The advanced microporous adsorbent discussed in this study presents a hairy nanospherical morphology composed of a hairy stimuli-responsive polymeric shell and a shell-assisted superadsorptive microporous core. The adsorbent not only exhibits a valuable capability of pollutant detection by visible fluorescence quenching, but can also remove organic micropollutants from polluted water with super-rapid speed (79%, 98%, and 100% of its equilibrium uptake in 7 s, 10 s, and 2 min, respectively) and excellent recyclability (>96%). More importantly, the adsorbent still shows unimpeded adsorption performance in the flow-through adsorption tests (15 mL min(-1)), indicating a very appealing application prospect.
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