K2Hg2Se3: Large-Scale Synthesis of a Photoconductor Material Prototype with a Columnar Polyanionic Substructure

K2Hg2Se3, a new photoconducting material with a direct band gap around 1.4 eV, was obtained in nearly quantitative yields and large scale (50 g per batch) by means of solvothermal treatment of a corresponding solid. The compound comprises covalently linked selenidomercurate columns that accommodate...

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Published inChemistry of materials
Main Authors Thiele, Günther, Lippert, Sina, Fahrnbauer, Felix, Bron, Philipp, Oeckler, Oliver, Rahimi-Iman, Arash, Koch, Martin, Roling, Bernhard, Dehnen, Stefanie
Format Journal Article
LanguageEnglish
Published American Chemical Society 09.06.2015
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Summary:K2Hg2Se3, a new photoconducting material with a direct band gap around 1.4 eV, was obtained in nearly quantitative yields and large scale (50 g per batch) by means of solvothermal treatment of a corresponding solid. The compound comprises covalently linked selenidomercurate columns that accommodate potassium counterions. Composition and structure allow for a specific combination of optoelectronic, photophysical, and thermoelectric properties, which initiates a systematic material development within this family of compounds.
ISSN:0897-4756
1520-5002
DOI:10.1021/acs.chemmater.5b01198