期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 12, 页码 16248-16254出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.8b03106
关键词
Cellulose aerogel; Zinc oxide; In situ; Ionic liquid; Tunable; Recycling
资金
- National Natural Scientific Fund of China [21476234, 21336002]
- International Cooperation and Exchange of the National Natural Science Foundation of China [51561145020]
- Strategic Priority Research Program of Chinese Academy of Science [XDA21060300]
- CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences
Cellulose/zinc oxide (ZnO) aerogels are traditionally produced using methods harmful to the environment because of the acids and alkalis that are involved in the production process. This study reported a facile approach for synthesizing cellulose aerogels with uniform and tunable ZnO nanoparticles that are based on ionic liquid 1-allyl-3-methylimidazolium chloride ([Amim]Cl) and polyhydric alcohol. The entire preparation process is environmental friendly and controllable. The hybrid aerogels are lightweight (0.0463 g/cm(3)) with a high surface area (267 4 m(2)/g) and possess great compressive strength (51.53 N/cm(2)). Furthermore, the morphology and size of the ZnO nanoparticles are observed to be tunable; the ZnO nanoparticles can be uniformly synthesized in situ on the cellulose fibers by adjusting the concentration of Zn(Ac)(2) precursor and the hydrolytic time. The cellulose/ZnO aerogels exhibit good catalytic efficiency during the degradation of polyethylene terephthalate and can be directly taken out without separation for recycling.
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