Preparation and characterization of cellulose-ZnO nanocomposite based on ionic liquid ([C4mim]Cl)

Cellulose-ZnO composite was achieved by microwave assisted dissolution of cellulose in ionic liquid 1-butyl-3-methylimidazolium chloride ([C 4 mim]Cl) followed by addition of premixed ground of Zn(CH 3 COO) 2 ·2H 2 O and NaOH. Surface characterization, optical property and thermal stability of nanoc...

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Bibliographic Details
Published in:Cellulose (London) 2013-04, Vol.20 (2), p.699-705
Main Authors: Bagheri, Mozhgan, Rabieh, Sasan
Format: Article
Language:English
Subjects:
Bioorganic Chemistry
Cellulose
Cellulose fibers
Ceramics
Chemistry
Chemistry and Materials Science
Composites
Glass
Gravimetric analysis
Ionic liquids
Ions
Nanocomposites
Nanoparticles
Natural Materials
Optical properties
Organic Chemistry
Original Paper
Physical Chemistry
Polymer Sciences
Scanning electron microscopy
Sodium hydroxide
Surface properties
Surface stability
Sustainable Development
Thermal stability
Wurtzite
Zinc oxide
Zinc oxides
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Summary:Cellulose-ZnO composite was achieved by microwave assisted dissolution of cellulose in ionic liquid 1-butyl-3-methylimidazolium chloride ([C 4 mim]Cl) followed by addition of premixed ground of Zn(CH 3 COO) 2 ·2H 2 O and NaOH. Surface characterization, optical property and thermal stability of nanocomposite were determined by X-ray diffraction, scanning electron microscopy (SEM), UV–Vis spectroscopy and thermo gravimetric analysis. XRD patterns showed the ZnO in polymer matrix has the wurtzite structure. Presence of zinc oxide nanoparticles and cellulose fibers in the composites were observed by SEM. Band-edge transition of zinc oxide in the nanocomposite occurs in lower wavelength than bulk zinc oxide. Thermal stability of nanocomposite was lower than regenerated cellulose due to catalyst behavior of zinc oxide nanoparticles in cellulose matrix.
ISSN:0969-0239
1572-882X
DOI:10.1007/s10570-012-9857-3