Syntheses, Crystal Structures, and Electronic Structures of Quaternary Group IV-Selenide Semiconductors
Subhendu Jana,
Eric Gabilondo,
Scott McGuigan
et al.
Abstract:Early transition-metal chalcogenides have garnered recent
attention
for their optoelectronic properties for solar energy conversion. Herein,
the first Zr-/Hf-chalcogenides with a main group cation, Ba9Hf3Sn2Se19 (1) and
Ba8Zr2SnSe13(Se2) (2), have been synthesized. The structure of 1 is formed from isolated SnSe4
4– tetrahedra
and distorted HfSe6 octahedra. The latter condense via
face-sharing trimeric motifs that are further vertex-bridged into
chains of 1
∞[Hf(1)2Hf(2)Se11]10–. The
structure of 2 is comprise… Show more
Black needle-shaped crystals of a novel Eu(II)-containing chalcogenide semiconductor, EuHfSe3, have been synthesized at high temperatures using sealed-tube solid-state reaction techniques. Single crystal X-ray diffraction data (XRD) was used to...
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