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Mar 14 – 17, 2022
Europe/Berlin timezone

Anion size dependence of band gaps of iodido antimonates

Mar 15, 2022, 3:19 PM
Young Crystallographers Lightning Talks(+poster) Young crystallographers Lightning Talks Young Crystallographers Lightning Talks


Jakob Möbs


We synthesized [Hpyz]$_4$[Sb$_{10}$I$_{34}$] (pyz = N$_2$C$_4$H$_4$), which features the largest discrete halogenido pentelate anion yet. Ions of this type with the general formula [Sb$_{2n}$I$_{3n+4}$]$^{4−}$ are known for $n$ = 1 - 5. With this series of compounds at hand we investigated the influence of the anion size on the optical band gap by experimental and theoretical means to shed some more light on the electronic structure of iodido antimonates close to the absorption edge.

Primary authors

Jakob Möbs Gina Stuhrmann (Philipps-University Marburg) Dr Florian Weigend (Philipps-University Marburg) Dr Johanna Heine (Philipps-University Marburg)

Presentation materials