Quiroga-González, E., Kienle, L., Näther, C., Chakravadhanula, V. S. K., Lühmann, H. and Bensch, Wolfgang (2010) Zero- and one-dimensional thioindates synthesized under solvothermal conditions yielding α-In2S3, β-In2S3 or MgIn2S4 as thermal decomposition products. Journal of Solid State Chemistry, 183 (12). pp. 2805-2812. DOI 10.1016/j.jssc.2010.09.024.

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Abstract

The first cationic thioindate with composition [In(en)2S]2·2Cl (zero-dimensional) (1) and the first thioindate being charge compensated by a main group metal complex with composition [Mg(en)3][In2S4] (one-dimensional) (2) have been prepared with ethylenediamine under solvothermal conditions. The main structural motif of [In(en)2S]2·2Cl is the centro-symmetric rhomboidal [In(en)2S]22+ ring which is formed by S–S edge-sharing of two symmetry related [InN4S2] octahedra. The structure of [Mg(en)3][In2S4] is composed of a straight one-dimensional {[InS2]−}∞ chain surrounded by [Mg(en)3]2+ complexes. Both compounds are wide band-gap semiconductors. The thermal decomposition reaction of [In(en)2S]2·2Cl stopped at 500 °C yielded cubic α-In2S3 and reflections of β-In2S3 are seen in the X-ray powder pattern of the residue obtained at 900 °C. In the case of [Mg(en)3][In2S4] the thiospinel MgIn2S4 was identified as decomposition product. The size of the MgIn2S4 crystals are in the nanometer range as evidenced by a pronounced broadening of the reflections in the powder pattern and with transmission electron microscopy.

Document Type:	Article
Research affiliation:	Kiel University Kiel University > Kiel Marine Science OceanRep > The Future Ocean - Cluster of Excellence
Refereed:	Yes
Open Access Journal?:	No
Publisher:	Elsevier
Projects:	Future Ocean
Date Deposited:	12 Jun 2018 11:39
Last Modified:	23 Sep 2019 22:24
URI:	https://oceanrep.geomar.de/id/eprint/43373

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