An open-framework bimetallic chalcogenide structure K3Rb 3Zn4Sn3Se13 built on a unique [Zn4Sn3Se16]12- cluster: Synthesis, crystal structure, ion exchange and optical properties

Min Wu, Weiping Su, Niren Jasutkar, Xiaoying Huang, Jing Li

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Single crystals of K3Rb3Zn4Sn 3Se13 were synthesized by solvothermal method. The building block in this structure is a [Zn4Sn3Se 16]12- cluster which consists of four ZnSe4 and three SnSe4 tetrahedra connected through corner-sharing of Se atoms. The 3D network contains intersecting channels running parallel to the crystallographic [2 1 1], [1-1-1] and [12-1] directions. The disordered K + and Rb+ cations reside in these channels. Ion exchange of Cs+ with disordered Rb+/K+ ions in the structure showed a partial replacement of 15.8%. Optical diffuse reflectance experiments were carried out and gave a sharp absorption edge at 2.6 eV.

Original languageEnglish
Pages (from-to)21-27
Number of pages7
JournalMaterials Research Bulletin
Volume40
Issue number1
DOIs
Publication statusPublished - Jan 4 2005

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Cations
Ion exchange
Optical properties
Crystal structure
Positive ions
Single crystals
Ions
optical properties
Atoms
crystal structure
synthesis
tetrahedrons
ions
Experiments
reflectance
cations
single crystals
atoms
Direction compound

Keywords

  • A. Chalcogénides
  • B. Semiconductors
  • C. Chemical synthesis
  • D. X-ray diffraction
  • E. Optical properties

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

An open-framework bimetallic chalcogenide structure K3Rb 3Zn4Sn3Se13 built on a unique [Zn4Sn3Se16]12- cluster : Synthesis, crystal structure, ion exchange and optical properties. / Wu, Min; Su, Weiping; Jasutkar, Niren; Huang, Xiaoying; Li, Jing.

In: Materials Research Bulletin, Vol. 40, No. 1, 04.01.2005, p. 21-27.

Research output: Contribution to journalArticle

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