Structural characterization and DC conductivity of honeycomb-patterned poly(ε-caprolactone)/gold nanoparticle-reduced graphite oxide composite films

Biocompatible composites containing poly(ε-caprolactone) (PCL) were prepared by incorporating different weight percentages of gold nanoparticles dispersed on reduced graphite oxide (GNP-RGO). The synthesized PCL-GNP-RGO composites were characterized by Fourier transform infrared and UV–vis spectrosc...

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Bibliographic Details
Published in:Materials letters 2013-01, Vol.90 (1), p.14-18
Main Authors: Kim, Won Jung, Basavaraja, C., Thinh, P.X., Huh, Do Sung
Format: Article
Language:English
Subjects:
Electrical conductivity
gold
Gold nanoparticle
graphene
Graphite oxide
nanoparticles
Poly(ε-caprolactone)
spectroscopy
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Summary:Biocompatible composites containing poly(ε-caprolactone) (PCL) were prepared by incorporating different weight percentages of gold nanoparticles dispersed on reduced graphite oxide (GNP-RGO). The synthesized PCL-GNP-RGO composites were characterized by Fourier transform infrared and UV–vis spectroscopy. Honeycomb-patterned thin films were fabricated by casting the composite solution under humid conditions. The dependence of the room-temperature DC conductivity and pattern structure of the films on the GNP-RGO concentration were studied. [Display omitted] ► Biocompatible poly(ε-caprolactone) composites were synthesized by Au nanoparticles dispersed on RGO. ► Honeycomb-patterned thin films were fabricated by casting the composite solution under humid conditions. ► The variance of conductivity and pattern structure of the composite films were studied.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2012.09.007