Composite multilayer films based on polyelectrolytes and in situ-formed carbon nanostructures with enhanced photoluminescence and conductivity...
Ermakov A. V., Prikhozhdenko E. S., Demina P. A., Gorbachev I. A., Vostrikova A. M., Sapelkin A. V., Goryacheva I. Y., Sukhorukov G. B.
Journal of Applied Polymer Science
Vol.136, Issue27, Num.47718
Опубликовано: 2019
Тип ресурса: Статья
Аннотация:
We report a facile route for the fabrication of thin composite films based on polyelectrolytes and carbon nanostructures. Composite films were made by layer-by-layer assembly of polyelectrolyte multilayers utilizing embedded dextran sulfate (Dex) solution as a carbon source. Raman measurements indicate the formation of carbon nanostructures from the Dex precursor over the whole film. Formation of these nanostructures results in enhanced photoluminescence and an increase in conductivity by two orders of magnitude to about 0.055 S cm −1 . The latter corresponds to the level of wide-gap semiconductors, in contrast to the initial insulating polyelectrolyte film. A distinct peak of photoluminescence of the films is found in the blue region at the wavelength of 450 nm. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47718. © 2019 Wiley Periodicals, Inc.
Ключевые слова:
Carbon; Carbon films; Multilayer films; Multilayers; Nanostructures; Photoluminescence; Polyelectrolytes; Sulfur compounds; Wide band gap semiconductors; Carbon Nanostructures; Conductivity properties; Layer-by-layer assemblies; Orders of magnitude; Polyelectrolyte films; Polyelectrolyte multilayer; Thin composite films; Wide-gap semiconductor; Nanocomposite films
Язык текста: Английский
ISSN: 1097-4628
Ermakov A. V. Aleksej Vadimovich 1991-
Prikhozhdenko E. S.
Demina P. A.
Gorbachev I. A.
Vostrikova A. M.
Sapelkin A. V.
Goryacheva I. Y.
Sukhorukov G. B. Gleb Borisovich 1969-
Ермаков А. В. Алексей Вадимович 1991-
Прихожденко Е. С.
Демина П. А.
Горбачев И. А.
Вострикова А. М.
Сапелкин А. В.
Горячева И. Y.
Сухоруков Г. Б. Глеб Борисович 1969-
Composite multilayer films based on polyelectrolytes and in situ-formed carbon nanostructures with enhanced photoluminescence and conductivity properties
Composite multilayer films based on polyelectrolytes and in situ-formed carbon nanostructures with enhanced photoluminescence and conductivity...
Текст визуальный непосредственный
Journal of Applied Polymer Science
John Wiley & Sons
Vol.136, Issue27 Num.47718
2019
Статья
Carbon Carbon films Multilayer films Multilayers Nanostructures Photoluminescence Polyelectrolytes Sulfur compounds Wide band gap semiconductors Carbon Nanostructures Conductivity properties Layer-by-layer assemblies Orders of magnitude Polyelectrolyte films Polyelectrolyte multilayer Thin composite films Wide-gap semiconductor Nanocomposite films
We report a facile route for the fabrication of thin composite films based on polyelectrolytes and carbon nanostructures. Composite films were made by layer-by-layer assembly of polyelectrolyte multilayers utilizing embedded dextran sulfate (Dex) solution as a carbon source. Raman measurements indicate the formation of carbon nanostructures from the Dex precursor over the whole film. Formation of these nanostructures results in enhanced photoluminescence and an increase in conductivity by two orders of magnitude to about 0.055 S cm −1 . The latter corresponds to the level of wide-gap semiconductors, in contrast to the initial insulating polyelectrolyte film. A distinct peak of photoluminescence of the films is found in the blue region at the wavelength of 450 nm. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47718. © 2019 Wiley Periodicals, Inc.