Structure of D2O solutions of fullerene C60 star derivatives based on poly(N-vinylpyrrolidone): Neutron diffraction and dynamic light scattering data

V. T. Lebedev, G. Török, V. V. Klyubin, D. N. Orlova, A. V. Arutyunyan, A. I. Sibilev, O. V. Nazarova, S. N. Bokov, G. M. Pavlov, E. F. Panarin

Research output: Contribution to journalArticle

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Abstract

Fullerene C60 star derivatives prepared from poly(N-vinylpyrrolidone) covalently bonded to C60 were studied in heavy-water solutions using the techniques of small-angle neutron scattering at a wavelength of λ = 0.3 nm and the momentum transfer range of q = 0.04-0.8 nm-1 and dynamic light scattering. It was found that the functionality of the fullerene core is n = 4. It was shown that the radius of gyration of the star, ≈6 nm in D2O at 20°C, is ≈40% greater that the undisturbed size in the Gaussian chain approximation and the volume of the star is larger by a factor of ≈3. The increased volume of the polymeric shell enhances the interaction of stars, resulting in association. According to light scattering data, the mass fraction of star associates in water reached ≈10% and their diameter was ≈1000 nm.

Original languageEnglish
Pages (from-to)875-881
Number of pages7
JournalVysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya
Volume46
Issue number5
Publication statusPublished - 2004

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Dynamic light scattering
Neutron diffraction
Fullerenes
Stars
Derivatives
Deuterium Oxide
Heavy water
Momentum transfer
Neutron scattering
Light scattering
fullerene C60
N-vinyl-2-pyrrolidinone
Wavelength
Water

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Structure of D2O solutions of fullerene C60 star derivatives based on poly(N-vinylpyrrolidone) : Neutron diffraction and dynamic light scattering data. / Lebedev, V. T.; Török, G.; Klyubin, V. V.; Orlova, D. N.; Arutyunyan, A. V.; Sibilev, A. I.; Nazarova, O. V.; Bokov, S. N.; Pavlov, G. M.; Panarin, E. F.

In: Vysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya, Vol. 46, No. 5, 2004, p. 875-881.

Research output: Contribution to journalArticle

Lebedev, VT, Török, G, Klyubin, VV, Orlova, DN, Arutyunyan, AV, Sibilev, AI, Nazarova, OV, Bokov, SN, Pavlov, GM & Panarin, EF 2004, 'Structure of D2O solutions of fullerene C60 star derivatives based on poly(N-vinylpyrrolidone): Neutron diffraction and dynamic light scattering data', Vysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya, vol. 46, no. 5, pp. 875-881.
Lebedev, V. T. ; Török, G. ; Klyubin, V. V. ; Orlova, D. N. ; Arutyunyan, A. V. ; Sibilev, A. I. ; Nazarova, O. V. ; Bokov, S. N. ; Pavlov, G. M. ; Panarin, E. F. / Structure of D2O solutions of fullerene C60 star derivatives based on poly(N-vinylpyrrolidone) : Neutron diffraction and dynamic light scattering data. In: Vysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya. 2004 ; Vol. 46, No. 5. pp. 875-881.
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AU - Orlova, D. N.

AU - Arutyunyan, A. V.

AU - Sibilev, A. I.

AU - Nazarova, O. V.

AU - Bokov, S. N.

AU - Pavlov, G. M.

AU - Panarin, E. F.

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AB - Fullerene C60 star derivatives prepared from poly(N-vinylpyrrolidone) covalently bonded to C60 were studied in heavy-water solutions using the techniques of small-angle neutron scattering at a wavelength of λ = 0.3 nm and the momentum transfer range of q = 0.04-0.8 nm-1 and dynamic light scattering. It was found that the functionality of the fullerene core is n = 4. It was shown that the radius of gyration of the star, ≈6 nm in D2O at 20°C, is ≈40% greater that the undisturbed size in the Gaussian chain approximation and the volume of the star is larger by a factor of ≈3. The increased volume of the polymeric shell enhances the interaction of stars, resulting in association. According to light scattering data, the mass fraction of star associates in water reached ≈10% and their diameter was ≈1000 nm.

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