Exploring the heteroanionic 2D materials RhSeCl and RhTeCl as promising semiconductor materials

Research output: Contribution to journalResearch articleContributedpeer-review

Contributors

  • Domenic Nowak - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Erik Käppler - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Martin Knupfer - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Subakti Subakti - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Axel Lubk - , CEOS- Endowed Chair of Electron Optics (with IFW), Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Dmitriy Efremov - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Bastian Rubrecht - , Leibniz Institute for Solid State and Materials Research Dresden, TUD Dresden University of Technology (Author)
  • Alexey Popov - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Andreas Koitzsch - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Udo Steiner - , Dresden University of Applied Sciences (HTW) (Author)
  • Bernd Büchner - , Chair of Experimental Solid State Physics, Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Martin Valldor - , University of Oslo (Author)
  • Nico Gräßler - , Leibniz Institute for Solid State and Materials Research Dresden (Author)
  • Silke Hampel - , Leibniz Institute for Solid State and Materials Research Dresden (Author)

Abstract

Heteroanionic materials show promising potential as 2D semiconductors due to their tunable band gaps, making them excellent candidates for photocatalytic water splitting applications. We conducted detailed theoretical and experimental analysis of two selected materials by synthesizing crystals through chemical vapor transport and investigating the impact of anion variation on crystal structure and properties. Using powder X-ray diffraction and convergent beam electron diffraction, we elucidated the non-centrosymmetric space groups of these compounds. Thermochemical studies revealed the influence of the crystal structure on the decomposition points of both compounds. Theoretical investigations predict that both materials are indirect bandgap semiconductors, which is confirmed by electron energy loss spectroscopy and photoluminescence studies.

Details

Original languageEnglish
JournalDalton transactions
Early online date27 Jul 2024
Publication statusE-pub ahead of print - 27 Jul 2024
Peer-reviewedYes

Keywords

Sustainable Development Goals

ASJC Scopus subject areas