Referenced in: none

Automatically associated channels: Kir2.3

Title: A Series of Novel Organically Templated Germanium Antimony Sulfides.

Authors: Mei-Ling Feng, Wei-Wei Xiong, Dong Ye, Jian-Rong Li, Xiao-Ying Huang

Journal, date & volume: , 2010 Jun 10 , ,

PubMed link: http://www.ncbi.nlm.nih.gov/pubmed/20540069

Abstract
A series of novel organically templated germanium antimony sulfides have been solvothermally synthesized and structurally, thermally, and optically characterized. The compound [Me(2)NH(2)](6)[(Ge(2)Sb(2)S(7))(Ge(4)S(10))] (1) features two distinct tetranuclear [Ge(2)Sb(2)S(7)](2-) and [Ge(4)S(10)](4-) isolated clusters. The compound [(Me)(2)NH(2)][DabcoH](2)[Ge(2)Sb(3)S(10)] (2) (Dabco = triethylenediamine) features a 1D-[Ge(2)Sb(3)S(10)](n)(3n-) ribbon constructed with two [GeSbS(5)](n)(3n-) chains bridged by Sb(3+) ion in psi-SbS(4) configuration. Compounds [M(en)(3)][GeSb(2)S(6)] (M = Ni (3), Co (4) en = ethylenediamine) feature the unique 2D grid layer structures of [GeSb(2)S(6)](n)(2n-). The compound [(Me)(2)NH(2)](2)[GeSb(2)S(6)] (5) previously reported by us features a 3D chiral microporous structure with the chiral channels. The optical absorption spectra indicate that all the compounds are wide bandgap semiconductors. Thermal stabilities of these compounds have been investigated by thermogravimetric analyses (TGA).