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Russian Journal of Physical Chemistry A

, Volume 87, Issue 4, pp 662–667 | Cite as

Mechanism of complexation of the phenothiazine dye methylene blue with fullerene C60

  • A. S. Buchelnikov
  • V. V. Kostyukov
  • M. P. Yevstigneev
  • Yu. I. Prylutskyy
Physical Chemistry of Nanoclusters and Nanomaterials

Abstract

The complexation of fullerene C60 with the aromatic dye methylene blue (MB) in aqueous solution was studied. Spectrophotometric titration revealed a reasonably strong interaction between C60 and MB molecules with an equilibrium constant K = 2110 L/mol and the binding of up to five dye molecules with the surface of C60. The energy analysis of the MB-C60 system showed that the intermolecular and hydrophobic interactions were dominant in the energy profile of the complexation, and while the electrostatic factor played an insignificant role.

Keywords

aromatic dye complexation molecular dynamics spectrophotometry fullerene 

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • A. S. Buchelnikov
    • 1
  • V. V. Kostyukov
    • 1
  • M. P. Yevstigneev
    • 1
  • Yu. I. Prylutskyy
    • 2
  1. 1.Sevastopol National Technical UniversitySevastopolUkraine
  2. 2.Taras Shevchenko National UniversityKievUkraine

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