Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 41, Pages 13256-13259Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b08978
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Funding
- National Natural Science Foundation of China [51422307, 51372280, 51173213, 51172290, 51232005]
- Guangdong Natural Science Funds for Distinguished Young Scholar [S2013050014408]
- Ministry of Education [NCET-12-0572]
- Pearl River S&T Nova Program of Guangzhou [2013J2200015]
- Fundamental Research Funds for the Central Universities [15lgjc17, 13lgpy57]
- National Key Basic Research Program of China [2014CB932400]
- BSF [2012074]
- NSF [DMR 1501324]
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Multifunctionalization of microporous polymers is highly desirable but remains a significant challenge, considering that the current microporous polymers are generally hydrophobic and nonresponsive to different environmental stimuli and difficult to be carbonized without damage of their well-defined nano-morphology. Herein, we demonstrate a facile and versatile method to fabricate water-dispersible, pH/temperature responsive and readily carbonizable hairy microporous polymeric nanospheres based on combination of the hyper-cross-linking chemistry with the surface-initiated atom transfer radical polymerization (SI-ATRP). The hyper-cross-linking creates a highly microporous core, whereas the SI-ATRP provides diverse functionalities by surface grafting of hairy functional blocks. The as-prepared materials present multifunctional properties, including sensitive response to pH/temperature, high adsorption capacity toward adsorbates from aqueous solution, and valuable transformation into well-defined microporous carbon nanospheres because of hybrid of carbonizable core and thermo-decomposable protection shell. We hope this strategy could promote the development of both functional microporous polymers and advanced hairy nanoparticles for multipurpose applications.
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