“…In principle, the next step of the elemental substitutions to reduce the thermal conductivity and narrow the band gap would include the replacement of K + with Tl + to produce K 2– x Tl x Hg 2 Te 3 . However, such compounds would be extremely toxic, comparable with HgBe 2 . We refer to an early mentioning of the compound with the nominal composition K 2 Hg 2 Te 3 in the literature yet as the precursor to various ammonium telluridomercurate salts, without the provision of any chemical or physical characterization …”
mentioning
confidence: 99%
“…However, such compounds would be extremely toxic, comparable with HgBe 2 . 13 We refer to an early mentioning of the compound with the nominal composition K 2 Hg 2 Te 3 in the literature yet as the precursor to various ammonium telluridomercurate salts, without the provision of any chemical or physical characterization. 14 ■ ASSOCIATED CONTENT * S Supporting Information…”
K2Hg2Te3 was synthesized via a mercury-flux synthesis pathway. Single-crystal
and powder X-ray diffraction reveal the compound to be isostructural
to its lighter congener K2Hg2Se3,
yet exhibiting enhanced photoconductivity and electrical conductivity
of (several) orders of magnitude and a decreased thermal conductivity
and band gap. In this report, we elaborate on the synthesis and properties
of the novel ternary compound.
“…In principle, the next step of the elemental substitutions to reduce the thermal conductivity and narrow the band gap would include the replacement of K + with Tl + to produce K 2– x Tl x Hg 2 Te 3 . However, such compounds would be extremely toxic, comparable with HgBe 2 . We refer to an early mentioning of the compound with the nominal composition K 2 Hg 2 Te 3 in the literature yet as the precursor to various ammonium telluridomercurate salts, without the provision of any chemical or physical characterization …”
mentioning
confidence: 99%
“…However, such compounds would be extremely toxic, comparable with HgBe 2 . 13 We refer to an early mentioning of the compound with the nominal composition K 2 Hg 2 Te 3 in the literature yet as the precursor to various ammonium telluridomercurate salts, without the provision of any chemical or physical characterization. 14 ■ ASSOCIATED CONTENT * S Supporting Information…”
K2Hg2Te3 was synthesized via a mercury-flux synthesis pathway. Single-crystal
and powder X-ray diffraction reveal the compound to be isostructural
to its lighter congener K2Hg2Se3,
yet exhibiting enhanced photoconductivity and electrical conductivity
of (several) orders of magnitude and a decreased thermal conductivity
and band gap. In this report, we elaborate on the synthesis and properties
of the novel ternary compound.
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