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Solvothermal syntheses of three new one-dimensional ternary selenidostannates: [DBNH][M1/2Sn1/2Se2] (M = Mn, Zn, Hg)

  • Wei-Wei Xiong
  • , Pei-Zhou Li
  • , Tian-Hua Zhou
  • , Yanli Zhao
  • , Rong Xu
  • , Qichun Zhang*
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Three new ternary selenidostannates [DBNH][M1/2Sn 1/2Se2] (M = Mn (1), Zn (2), Hg (3); DBN = 1,5-diazabicyclo[4.3.0]non-5-ene) have been synthesized under solvothermal condition. Single crystal X-ray analyses reveal that compounds 1-3 crystallize in the tetragonal space group P42/ncm. The structures of 1-3 feature a similar straight one-dimensional [M1/2Sn1/2Se 2]nn- chain, which is built up by edge-sharing M 1/2Sn1/2Se4 tetrahedra. The transition metal ions (e.g. Mn2+ (1), Zn2+ (2), Hg2+ (3)) and Sn4+ ions are located at the same metal site in a mixed-metal phase with a ratio of 0.5/0.5. The band gaps of compounds 2 (2.42 eV) and 3 (2.46 eV) were calculated from the solid state UV-vis diffuse reflectance spectroscopy. © 2013 Elsevier Inc.
Original languageEnglish
Pages (from-to)86-90
JournalJournal of Solid State Chemistry
Volume204
Online published28 May 2013
DOIs
Publication statusPublished - Aug 2013
Externally publishedYes

Research Keywords

  • Chalcogenides
  • Crystal structure
  • Mixed-metal phase
  • Ternary

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