Multilayered intercalation of 1-octanol into Brodie graphite oxide

Nanoscale
Alexey KlechikovAlexandr V Talyzin

Abstract

Multilayered intercalation of 1-octanol into the structure of Brodie graphite oxide (B-GO) was studied as a function of temperature and pressure. Reversible phase transition with the addition/removal of one layer of 1-octanol was found at 265 K by means of X-ray Diffraction (XRD) and Differential Scanning Calorimetry (DSC). The same transition was observed at ambient temperature upon a pressure increase above 0.6 GPa. This transition was interpreted as an incongruent melting of the low temperature/high pressure B-GO intercalated structure with five layers of 1-octanol parallel to GO sheets (L-solvate), resulting in the formation of a four-layered structure that is stable under ambient conditions (A-solvate). Vacuum heating allows the removal of 1-octanol from the A-solvate layer by layer, while distinct sets of (00l) reflections are observed for three-, two-, and one-layered solvate phases. Step by step removal of the 1-octanol layers results in changes of distance between graphene oxide planes by ∼4.5 Å. This experiment proved that both L- and A-solvates are structures with layers of 1-octanol parallel to GO planes. Unusual intercalation with up to five distinct layers of 1-octanol is remarkably different from the behaviour of...Continue Reading

References

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Dec 2, 2009·Journal of the American Chemical Society·Alexandr V TalyzinVladimir Dmitriev
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Sep 12, 2014·Nanoscale·Alexei VorobievAlexandr V Talyzin
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Apr 5, 2012·The Journal of Physical Chemistry Letters·Shujie YouAlexandr V Talyzin
Sep 4, 2015·Nanoscale·Alexey KlechikovAlexandr V Talyzin

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Citations

Jul 6, 2017·Physical Chemistry Chemical Physics : PCCP·Fabienne Barroso-Bujans, Angel Alegria
Oct 22, 2020·Nanoscale·Artem Iakunkov, Alexandr V Talyzin
Apr 20, 2021·The Journal of Physical Chemistry. C, Nanomaterials and Interfaces·Andreas NordenströmAlexandr V Talyzin
Aug 6, 2021·Physical Chemistry Chemical Physics : PCCP·Julia ShayimovaAyrat M Dimiev

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