期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 206, 期 -, 页码 53-64出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2017.01.021
关键词
Nano-fibrillated cellulose (NFC); Fe3O4 nanoparticles (Fe3O4 NP); Photocatalytic hydrogen generation; Efficiency; Recyclability
资金
- Canada Research Chairs Program
Nano-fibrillated cellulose (NFC), an abundant renewable bio-macromolecule, has received much attention in the research community. The study detailed herein is related to the preparation of photocatalytic nanocomposites consisting of nano-fibrillated cellulose/magnetite/titanium dioxide nanoparticles (NFC@Fe3O4@TNP). The aim of this study is to improve the photocatalytic efficiency of NFC-TNP composites and to improve their recyclability during the photocatalytic hydrogen generation. The NFC@Fe3O4@TNP nanocomposites were characterized by TEM, EDX, SAED, XRD, XPS, FTIR, Raman spectra and VSM techniques, The results showed that Fe3O4 NP and TNP were Well-distributed on the surface of NFC. The photocatalytic efficiency study showed that NFC@Fe3O4@TNP nanocomposites represented a higher photocatalytic hydrogen generation rate in comparison with that of NFC-TNP sample. In addition, the NFC@Fe3O4@TNP nanocomposites can be readily recovered from the system using a magnet due to their stable superparamagnetic properties, and they had only a marginal loss of TNP and photocatalytic efficiency after fifteen cycles. (C) 2017 Published by Elsevier B.V.
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