Exploratory synthesis in molten salts

Role of flux basicity in the stabilization of the complex thiogermanates Cs 4Pb 4Ge 5S 16, K 2PbGe 2S 6, and K 4Sn 3Ge 3S 14

Oleg Palchik, Gregory M. Marking, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The influence of the Lewis basicity of alkali polysulfide fluxes (A 2S x) (A = alkali) as a function of x on the respective reactivities of Pb and Sn with Ge was studied and found to be strong. Cs 4Pb 4Ge 5S 16, K 2PbGe 2S 6, and K 4Sn 3Ge 3S 14 could be prepared only under low basicity with S/A 2S ratios of ≥ 11. These compounds display complex frameworks and are semiconductors. Cs 4Pb 4Ge 5S 16 is luminescent with red emission.

Original languageEnglish
Pages (from-to)4151-4153
Number of pages3
JournalInorganic Chemistry
Volume44
Issue number12
DOIs
Publication statusPublished - Jun 13 2005

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molten salts
Alkalies
Alkalinity
Molten materials
alkalies
Stabilization
Salts
stabilization
Fluxes
polysulfides
synthesis
reactivity
Semiconductor materials
polysulfide

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Exploratory synthesis in molten salts : Role of flux basicity in the stabilization of the complex thiogermanates Cs 4Pb 4Ge 5S 16, K 2PbGe 2S 6, and K 4Sn 3Ge 3S 14. / Palchik, Oleg; Marking, Gregory M.; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 44, No. 12, 13.06.2005, p. 4151-4153.

Research output: Contribution to journalArticle

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