Molecular Oligogermanes and Related Compounds: Structure, Optical and Semiconductor Properties

Kirill V Zaitsev; Viktor A Tafeenko; Yuri F Oprunenko; Anastasia V Kharcheva; Zhaisan Zhanabil; Yerlan Suleimen; Kevin Lam; Vladimir B Zaitsev; Anna V Zaitseva; Galina S Zaitseva; Sergey S Karlov

doi:10.1002/asia.201700151

Molecular Oligogermanes and Related Compounds: Structure, Optical and Semiconductor Properties

Chem Asian J. 2017 Jun 1;12(11):1240-1249. doi: 10.1002/asia.201700151. Epub 2017 Feb 28.

Affiliations

¹ Department of Chemistry, Moscow State University, Leninskye Gory, 1, 3, Moscow, 119991, Russia.
² Department of Chemistry, School of Science and Technology, Nazarbayev University, Astana, 010000, Kazakhstan.
³ Department of Physics, Moscow State University, Leninskye Gory, 1, Moscow, 119991, Russia.
⁴ Institute of Physical Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, Russia.

PMID: 28165676
DOI: 10.1002/asia.201700151

Abstract

The optical (UV/Vis absorbance, fluorescence in the solid state and in solution) and semiconducting properties of a number of di- and trigermanes as well as related silicon- and tin-containing germanes, 1-6 ((p-Tol)₃ GeGeMe₃ (1), Ph₃ SnGe(SiMe₃ )₃ (2), (C₆ F₅ )₃ GeGePh₃ (3), (p-Tol)₃ GeSiMe₂ SiMe₃ (4), (p-Tol)₃ GeGeMe₂ Ge(p-Tol)₃ (5), (p-Tol)₃ GeSiMe₂ SiMe₂ Ge(p-Tol)₃ (6)) were investigated. Molecular structures of 5 and 6 were studied by X-ray diffraction analysis. All compounds displayed luminescence properties. In addition, a band gap (of about 3.3 eV) was measured for compounds 1-6 showing that those molecules display semiconductor properties.

Keywords: X-ray analysis; luminescence; oligogermanes; organic semiconductors; silagermanes.