Polymeric Copper Oxide

Preparation and Investigation of Its Structure and Optical Properties

I. Yu Prosanov, E. Benassi, N. V. Bulina, A. A. Matvienko, K. B. Gerasimov, A. A. Sidelnikov

Research output: Contribution to journalArticle

Abstract

A complex of polyvinyl alcohol (PVA) with copper hydroxide was used as a precursor to obtain polymeric copper oxide through thermal decomposition. The absence of Cu(OH)2 crystalline phase was observed for the component ratio up to 1 Cu(OH)2 molecular unit to 3 PVA residuals. The formation of crystalline copper oxide was not observed after the dehydration of this material. UV–VIS and IR spectroscopy, and computational modeling were used to study the structure and properties of the obtained materials. A comparison with other similar materials was drawn. It was found that experimental data are in general accordance with the computations based on the polymeric model for copper hydroxide/oxide as a component of hybrid interpolymeric complex with PVA. A distinctive feature observed for polymeric copper oxide is strong broadening of the optical absorption band at 400 nm. It is suggested that this effect is caused by strong electron–phonon interaction, which is also responsible for superconductivity of copper oxide based systems.

Original languageEnglish
Pages (from-to)2328-2335
Number of pages8
JournalJournal of Inorganic and Organometallic Polymers and Materials
Volume28
Issue number6
DOIs
Publication statusPublished - 1 Nov 2018
Externally publishedYes

Fingerprint

Copper oxides
Polyvinyl Alcohol
Polyvinyl alcohols
Optical properties
Crystalline materials
Copper
Superconductivity
Dehydration
Oxides
Light absorption
Absorption spectra
Infrared spectroscopy
Pyrolysis
cupric hydroxide
copper hydroxide

Keywords

  • CuO
  • Hybrid interpolymeric complexes
  • Hybrid materials
  • Inorganic polymers
  • Low-dimensional structures

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Polymeric Copper Oxide : Preparation and Investigation of Its Structure and Optical Properties. / Prosanov, I. Yu; Benassi, E.; Bulina, N. V.; Matvienko, A. A.; Gerasimov, K. B.; Sidelnikov, A. A.

In: Journal of Inorganic and Organometallic Polymers and Materials, Vol. 28, No. 6, 01.11.2018, p. 2328-2335.

Research output: Contribution to journalArticle

Prosanov, I. Yu ; Benassi, E. ; Bulina, N. V. ; Matvienko, A. A. ; Gerasimov, K. B. ; Sidelnikov, A. A. / Polymeric Copper Oxide : Preparation and Investigation of Its Structure and Optical Properties. In: Journal of Inorganic and Organometallic Polymers and Materials. 2018 ; Vol. 28, No. 6. pp. 2328-2335.
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AU - Benassi, E.

AU - Bulina, N. V.

AU - Matvienko, A. A.

AU - Gerasimov, K. B.

AU - Sidelnikov, A. A.

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AB - A complex of polyvinyl alcohol (PVA) with copper hydroxide was used as a precursor to obtain polymeric copper oxide through thermal decomposition. The absence of Cu(OH)2 crystalline phase was observed for the component ratio up to 1 Cu(OH)2 molecular unit to 3 PVA residuals. The formation of crystalline copper oxide was not observed after the dehydration of this material. UV–VIS and IR spectroscopy, and computational modeling were used to study the structure and properties of the obtained materials. A comparison with other similar materials was drawn. It was found that experimental data are in general accordance with the computations based on the polymeric model for copper hydroxide/oxide as a component of hybrid interpolymeric complex with PVA. A distinctive feature observed for polymeric copper oxide is strong broadening of the optical absorption band at 400 nm. It is suggested that this effect is caused by strong electron–phonon interaction, which is also responsible for superconductivity of copper oxide based systems.

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