淡江大學機構典藏:Item 987654321/117033
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/117033


    Title: Fabrication and 3D Patterning of Bio-Composite Consisting of Carboxymethylated Cellulose Nanofibers and Cobalt Ferrite Nanoparticles
    Authors: Pong, W.F.
    Keywords: Cellulose nanofibers;Electron microscopy;Magnetic nanoparticles;Organic-inorganic hybrid composites;Patterning
    Date: 2019-04-16
    Issue Date: 2019-09-17 12:12:34 (UTC+8)
    Publisher: Wiley-Blackwell Publishing Ltd
    Abstract: In this work, flexible and free‐standing films of bio‐composite of carboxymethylated cellulose nanofibers (CMCNF) and cobalt ferrite (CFO) nanoparticles (NPs) have been fabricated using in‐situ chemical route. Control over CFO fraction (1% ‐ 25%) in CMCNF matrix was achieved by adjusting volume of the iron and cobalt precursors. Free‐standing films of CMCNF‐CFO bio‐composite were characterized using X‐ray diffraction, spectroscopic, microscopic, thermal and Magnetic measurements. The Raman and X‐ray absorption near edge spectroscopy studies confirms the formation of CFO in CMCNF matrix. The microscopic studies revealed that CMCNF fibers are decorated with CFO NPs having size of the order of ∼ 25 nm. Comparison of the thermal properties of CMCNF and CMCNF ‐CFO composites shows that thermal stability improves as CFO content increases. Finally, preliminary results on a method to create 3D patterns of CMCNF ‐CFO nanocomposite having lateral dimensions ∼1.2 μm were presented that pave the way to new uses of bio‐composites.
    Relation: Chemistry Select 4(14), p.4416-4421
    DOI: 10.1002/slct.201900390
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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