Citation:
JING Xiao-Yan, ZHANG Lu-Lu, GUO Hui-Ming, WANG Jun. Carboxymethyl Cellulose Assisted Preparation of ZnO Nanoparticles and Their Characterization[J]. Chinese Journal of Applied Chemistry,
;2007, 24(6): 675-679.
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ZnO nanoparticles were prepared by thermal decomposition of [Zn4CO3(OH)6]CMC precursor,which was synthesized by sol-gel process in aqueous solution of carboxymethyl cellulose (CMC) polymer.The reaction precursor and the nanoparticles obtained were characterized by means of XRD,SEM,TEM,TG-DSC and FT-IR.The influence of the CMC polymer on the precursor morphology and the nanoparticle size were also investigated.The size of the ZnO nanoparticles was less than 20 nm and uniform.The agglomeration tendency of the ZnO nanoparticles was decreased due to the steric hindrance by the adsorbed polymer.The ZnO nano-particles exhibited an extremely strong absorption at 200~400 nm wavelength.
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Keywords:
- carboxymethyl cellulose,
- sol-gel,
- ZnO nanoparticle,
- characterization
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