Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 67, Issue 5, Pages 817-821Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2006.01.037
Keywords
composite fabrication; optical properties of nanotubes; biopolymers
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Amylose/single-walled carbon nanotubes (SWNT) composites or complexes have been prepared in aqueous solutions and deposited as films. The complexes are obtained by adding hydroxypropylated amylose (AmH) to a surfactant stabilized individual SWNT aqueous dispersion. The dispersion and the possible aggregation of SWNT are probed by optical spectroscopic means and by AFM imaging. AmH allows to avoid aggregation and to disperse the SWNT. The structure of the AmH/SWNT complex is not fully elucidated but it involves the surfactant. This complex formation is reversible by enzymatic hydrolysis. At high AmH content, composite films may be obtained. (c) 2006 Elsevier Ltd. All rights reserved.
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