Preparation and characterization of metal-chitosan nanocomposites
Huang, HZ; Yuan, Q; Yang, XR
AbstractVarious metal-chitosan nanocomposites were synthesized, including silver (Ag), gold (Au), platinum (Pt), and palladium (Pd) in aqueous solutions. Metal nanoparticles were formed by reduction of corresponding metal salts with NaBH4 in the presence of chitosan. And chitosan molecules adsorbing onto the surface of as-prepared metal nanoparticles formed the corresponding metal-chitosan nanocomposites. Transmission electron microscopy (TEM) images and UV-vis spectra of the nanocomposites revealed the presence of metal nanoparticles. Comparison of all the resulting particles size, it shows that silver nanoparticles are much larger than others (Au, Pt and Pd). In addition, the difference in particles size leads to develop different morphologies in the films cast from prepared metal-chitosan nanocomposites. Polarized optical microscopy (POM) images show a batonet-like structure for Ag-chitosan nanocomposites film, while for the films cast from other metal (Au, Pt, and Pd)-chitosan nanocomposites, some branched-like structures with a few differences among them were observed under POM observation. (C) 2004 Elsevier B.V. All rights reserved.
KeywordChitosan Nanocomposites Tem Morphology Pom
Indexed BySCI
WOS IDWOS:000225385500005
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Cited Times:263[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorYang, XR
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Jilin, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Jilin, Peoples R China
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GB/T 7714
Huang, HZ,Yuan, Q,Yang, XR. Preparation and characterization of metal-chitosan nanocomposites[J]. COLLOIDS AND SURFACES B-BIOINTERFACES,2004,39(1-2):31-37.
APA Huang, HZ,Yuan, Q,&Yang, XR.(2004).Preparation and characterization of metal-chitosan nanocomposites.COLLOIDS AND SURFACES B-BIOINTERFACES,39(1-2),31-37.
MLA Huang, HZ,et al."Preparation and characterization of metal-chitosan nanocomposites".COLLOIDS AND SURFACES B-BIOINTERFACES 39.1-2(2004):31-37.
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