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Preparation and Characterization of Ultrathin Films Layer-by-Layer Self-Assembled from Graphite Oxide Nanoplatelets and Polymers

Cassagneau, Thierry, Guérin, Frédéric, Fendler, Janos H.·2000·Langmuir

Abstract

Graphite, oxidized by HNO 3 and NaClO 3 to 25% (GO-25), 42% (GO-42), and 33% (GO-33), has been dispersed to partially exfoliated nanoplatelets and, along with poly(diallyldimethylammonium chloride) (PDDA) and poly(ethylene oxide) (PEO), layer-by-layer self-assembled to ultrathin S−(PDDA/GO) 10, S−PDDA/(GO/PEO) 10, and S−(PDDA/GO/PEO) 10 films (where S is the indium tin oxide- or chromium/gold-coated glass or quartz substrate and GO refers to platelets of oxidized graphite). The GO powders have been characterized by X-ray diffraction prior and by transmission electron microscopy after their dispersions. Thicknesses of each of the successively adsorbed layers were comparatively determined by absorption spectrophotometry, surface plasmon resonance spectroscopy, quartz crystal microbalance, and scanning force microscopy. Good agreements were obtained by these three different techniques.

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Metadata

Authors
Cassagneau, T., Guérin, F., & Fendler, J. H.
Venue
Langmuir
Published
2000-08-03
Volume
16
Issue
18
Pages
7318-7324
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
OpenAlex
W2063528091
Cited by
172
References
0
FWCI
2.83
Type
journal article
Language
en
Open access
closed

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Cassagneau, T., Guérin, F., & Fendler, J. H. (2000). Preparation and Characterization of Ultrathin Films Layer-by-Layer Self-Assembled from Graphite Oxide Nanoplatelets and Polymers. Langmuir. https://doi.org/10.1021/la000442o

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