Synthesis, structure, and optical properties of the new lanthanum copper oxysulfide La3CuO2S3

Ismail Ijjaali; Christy L. Haynes; Adam D. McFarland; Richard P. Van Duyne; James A. Ibers

doi:10.1016/S0022-4596(03)00058-6

Synthesis, structure, and optical properties of the new lanthanum copper oxysulfide La₃CuO₂S₃

Ismail Ijjaali, Christy L. Haynes, Adam D. McFarland, Richard P. Van Duyne, James A. Ibers

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The new quaternary lanthanum copper oxysulfide La₃CuO ₂S₃ has been synthesized by the reaction of La ₂S₃ and CuO at 1223K. This compound crystallizes in space group Pnma of the orthorhombic system with four formula units in a cell of dimensions at 153K of a=14.0318(7)Å, b=3.9342(2)Å, and c=12.5212(6)Å. The structure of La₃CuO₂S ₃ consists of a three-dimensional framework of interconnected LaO_nS_8-n bicapped trigonal prisms and CuS₄ tetrahedra. Optical absorption measurements on a La₃CuO ₂S₃ single crystal led to derived band gaps of 2.01eV in both the [010] and [001] directions.

Original language	English (US)
Pages (from-to)	257-260
Number of pages	4
Journal	Journal of Solid State Chemistry
Volume	172
Issue number	2
DOIs	https://doi.org/10.1016/S0022-4596(03)00058-6
State	Published - May 2003

Bibliographical note

Funding Information:
This research was supported by NSF Grant DMR00-96676 (JAI) and a GlaxoSmithKline-sponsored ACS Division of Analytical Chemistry fellowship to CLH. Use was made of the MRL Central Facilities supported by the National Science Foundation at the Materials Research Center of Northwestern University under Grant No. DMR00-76097.

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title = "Synthesis, structure, and optical properties of the new lanthanum copper oxysulfide La3CuO2S3",

abstract = "The new quaternary lanthanum copper oxysulfide La3CuO 2S3 has been synthesized by the reaction of La 2S3 and CuO at 1223K. This compound crystallizes in space group Pnma of the orthorhombic system with four formula units in a cell of dimensions at 153K of a=14.0318(7){\AA}, b=3.9342(2){\AA}, and c=12.5212(6){\AA}. The structure of La3CuO2S 3 consists of a three-dimensional framework of interconnected LaOnS8-n bicapped trigonal prisms and CuS4 tetrahedra. Optical absorption measurements on a La3CuO 2S3 single crystal led to derived band gaps of 2.01eV in both the [010] and [001] directions.",

author = "Ismail Ijjaali and Haynes, {Christy L.} and McFarland, {Adam D.} and {Van Duyne}, {Richard P.} and Ibers, {James A.}",

note = "Funding Information: This research was supported by NSF Grant DMR00-96676 (JAI) and a GlaxoSmithKline-sponsored ACS Division of Analytical Chemistry fellowship to CLH. Use was made of the MRL Central Facilities supported by the National Science Foundation at the Materials Research Center of Northwestern University under Grant No. DMR00-76097. ",

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AU - Ijjaali, Ismail

AU - Haynes, Christy L.

AU - McFarland, Adam D.

AU - Van Duyne, Richard P.

AU - Ibers, James A.

N1 - Funding Information: This research was supported by NSF Grant DMR00-96676 (JAI) and a GlaxoSmithKline-sponsored ACS Division of Analytical Chemistry fellowship to CLH. Use was made of the MRL Central Facilities supported by the National Science Foundation at the Materials Research Center of Northwestern University under Grant No. DMR00-76097.

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N2 - The new quaternary lanthanum copper oxysulfide La3CuO 2S3 has been synthesized by the reaction of La 2S3 and CuO at 1223K. This compound crystallizes in space group Pnma of the orthorhombic system with four formula units in a cell of dimensions at 153K of a=14.0318(7)Å, b=3.9342(2)Å, and c=12.5212(6)Å. The structure of La3CuO2S 3 consists of a three-dimensional framework of interconnected LaOnS8-n bicapped trigonal prisms and CuS4 tetrahedra. Optical absorption measurements on a La3CuO 2S3 single crystal led to derived band gaps of 2.01eV in both the [010] and [001] directions.

AB - The new quaternary lanthanum copper oxysulfide La3CuO 2S3 has been synthesized by the reaction of La 2S3 and CuO at 1223K. This compound crystallizes in space group Pnma of the orthorhombic system with four formula units in a cell of dimensions at 153K of a=14.0318(7)Å, b=3.9342(2)Å, and c=12.5212(6)Å. The structure of La3CuO2S 3 consists of a three-dimensional framework of interconnected LaOnS8-n bicapped trigonal prisms and CuS4 tetrahedra. Optical absorption measurements on a La3CuO 2S3 single crystal led to derived band gaps of 2.01eV in both the [010] and [001] directions.

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