Facile synthesis of BiCuOS by hydrothermal methods

William C. Sheets, Evan S. Stampler, Houria Kabbour, Mariana I. Bertoni, Laurent Cario, Thomas O Mason, Tobin J Marks, Kenneth R Poeppelmeier

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Abstract

BiCuOS, which is isostructural to the layered rare-earth oxysulfides LnCuOS (Ln = La-Eu), was synthesized by a single-step hydrothermal reaction at low temperature (250°C) and pressure (2O3 and Cu2O, and thus generates BiCuOS in a good yield. The optical and electrical properties of BiCuOS were measured to determine the influence of replacing a rare-earth cation with bismuth. The electrical conductivity of BiCuOS is increased over that of certain layered rare-earth oxysulfides, LnCuOS (Ln = La, Pr, and Nd), and is similar to that of the cerium members, CeCuOS and CeAgOS. Band structure calculations reveal that, similar to other potential transparent conductors containing sixth-row elements, relativistic effects significantly lower the energy of the conduction band, and thus narrow the optical band gap. These low-energy conduction bands are responsible for the electrical and optical properties of BiCuOS.

Original languageEnglish
Pages (from-to)10741-10748
Number of pages8
JournalInorganic Chemistry
Volume46
Issue number25
DOIs
Publication statusPublished - Dec 10 2007

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Rare earths
rare earth elements
Conduction bands
conduction bands
Electric properties
synthesis
Optical properties
electrical properties
Cerium
optical properties
Bismuth
Optical band gaps
relativistic effects
cerium
Band structure
bismuth
Cations
low pressure
conductors
cations

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Sheets, W. C., Stampler, E. S., Kabbour, H., Bertoni, M. I., Cario, L., Mason, T. O., ... Poeppelmeier, K. R. (2007). Facile synthesis of BiCuOS by hydrothermal methods. Inorganic Chemistry, 46(25), 10741-10748. https://doi.org/10.1021/ic7014622

Facile synthesis of BiCuOS by hydrothermal methods. / Sheets, William C.; Stampler, Evan S.; Kabbour, Houria; Bertoni, Mariana I.; Cario, Laurent; Mason, Thomas O; Marks, Tobin J; Poeppelmeier, Kenneth R.

In: Inorganic Chemistry, Vol. 46, No. 25, 10.12.2007, p. 10741-10748.

Research output: Contribution to journalArticle

Sheets, WC, Stampler, ES, Kabbour, H, Bertoni, MI, Cario, L, Mason, TO, Marks, TJ & Poeppelmeier, KR 2007, 'Facile synthesis of BiCuOS by hydrothermal methods', Inorganic Chemistry, vol. 46, no. 25, pp. 10741-10748. https://doi.org/10.1021/ic7014622
Sheets WC, Stampler ES, Kabbour H, Bertoni MI, Cario L, Mason TO et al. Facile synthesis of BiCuOS by hydrothermal methods. Inorganic Chemistry. 2007 Dec 10;46(25):10741-10748. https://doi.org/10.1021/ic7014622
Sheets, William C. ; Stampler, Evan S. ; Kabbour, Houria ; Bertoni, Mariana I. ; Cario, Laurent ; Mason, Thomas O ; Marks, Tobin J ; Poeppelmeier, Kenneth R. / Facile synthesis of BiCuOS by hydrothermal methods. In: Inorganic Chemistry. 2007 ; Vol. 46, No. 25. pp. 10741-10748.
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AB - BiCuOS, which is isostructural to the layered rare-earth oxysulfides LnCuOS (Ln = La-Eu), was synthesized by a single-step hydrothermal reaction at low temperature (250°C) and pressure (2O3 and Cu2O, and thus generates BiCuOS in a good yield. The optical and electrical properties of BiCuOS were measured to determine the influence of replacing a rare-earth cation with bismuth. The electrical conductivity of BiCuOS is increased over that of certain layered rare-earth oxysulfides, LnCuOS (Ln = La, Pr, and Nd), and is similar to that of the cerium members, CeCuOS and CeAgOS. Band structure calculations reveal that, similar to other potential transparent conductors containing sixth-row elements, relativistic effects significantly lower the energy of the conduction band, and thus narrow the optical band gap. These low-energy conduction bands are responsible for the electrical and optical properties of BiCuOS.

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