Polygermyne: Germanium sheet polymers with efficient near-infrared luminescence

Günther Vogg; Martin S. Brandt; Lex J.P. Meyer; Martin Stutzmann; Zoltán Hajnal; Bernadett Szücs; Thomas Frauenheim

doi:10.1557/proc-667-g3.13

Polygermyne: Germanium sheet polymers with efficient near-infrared luminescence

Günther Vogg
, Martin S. Brandt
, Lex J.P. Meyer
, Martin Stutzmann
, Zoltán Hajnal
, Bernadett Szücs
, Thomas Frauenheim

TUM Emeriti of Excellence

Research output: Contribution to journal › Article › peer-review

Abstract

The structural, optical and electronic properties of the Ge sheet polymer poylgermyne are summarized. Prepared via topotactic transformation of Zintl-phase CaGe₂, (GeH)_n forms a layered crystal in a tr6 stacking sequence with a distance of 5.65 Å between adjacent layers. The photoluminescence at 1.3 eV is excited nearly resonantly with a Stokes shift of 0.2 eV. Together with band structure calculations this shows that polygermyne has a direct band gap.

Original language	English
Pages (from-to)	G3131-G3136
Journal	Materials Research Society Symposium - Proceedings
Volume	667
DOIs	https://doi.org/10.1557/proc-667-g3.13
State	Published - 2001

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title = "Polygermyne: Germanium sheet polymers with efficient near-infrared luminescence",

abstract = "The structural, optical and electronic properties of the Ge sheet polymer poylgermyne are summarized. Prepared via topotactic transformation of Zintl-phase CaGe2, (GeH)n forms a layered crystal in a tr6 stacking sequence with a distance of 5.65 {\AA} between adjacent layers. The photoluminescence at 1.3 eV is excited nearly resonantly with a Stokes shift of 0.2 eV. Together with band structure calculations this shows that polygermyne has a direct band gap.",

author = "G{\"u}nther Vogg and Brandt, \{Martin S.\} and Meyer, \{Lex J.P.\} and Martin Stutzmann and Zolt{\'a}n Hajnal and Bernadett Sz{\"u}cs and Thomas Frauenheim",

year = "2001",

doi = "10.1557/proc-667-g3.13",

language = "English",

volume = "667",

pages = "G3131--G3136",

journal = "Materials Research Society Symposium - Proceedings",

issn = "0272-9172",

publisher = "Materials Research Society",

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TY - JOUR

T1 - Polygermyne

T2 - Germanium sheet polymers with efficient near-infrared luminescence

AU - Vogg, Günther

AU - Brandt, Martin S.

AU - Meyer, Lex J.P.

AU - Stutzmann, Martin

AU - Hajnal, Zoltán

AU - Szücs, Bernadett

AU - Frauenheim, Thomas

PY - 2001

Y1 - 2001

N2 - The structural, optical and electronic properties of the Ge sheet polymer poylgermyne are summarized. Prepared via topotactic transformation of Zintl-phase CaGe2, (GeH)n forms a layered crystal in a tr6 stacking sequence with a distance of 5.65 Å between adjacent layers. The photoluminescence at 1.3 eV is excited nearly resonantly with a Stokes shift of 0.2 eV. Together with band structure calculations this shows that polygermyne has a direct band gap.

AB - The structural, optical and electronic properties of the Ge sheet polymer poylgermyne are summarized. Prepared via topotactic transformation of Zintl-phase CaGe2, (GeH)n forms a layered crystal in a tr6 stacking sequence with a distance of 5.65 Å between adjacent layers. The photoluminescence at 1.3 eV is excited nearly resonantly with a Stokes shift of 0.2 eV. Together with band structure calculations this shows that polygermyne has a direct band gap.

UR - https://www.scopus.com/pages/publications/0035744582

U2 - 10.1557/proc-667-g3.13

DO - 10.1557/proc-667-g3.13

M3 - Article

AN - SCOPUS:0035744582

SN - 0272-9172

VL - 667

SP - G3131-G3136

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

ER -

Polygermyne: Germanium sheet polymers with efficient near-infrared luminescence

Abstract

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