Tuning the Emission Behaviour of Halogenated Bridged Ethers in Solution, as Solids and as Aggregates by Chalcogen Substitution

Justin Dubbert, Marco Valtolina, Alexander Huber, Tim D. Scherz, Christoph Wölper, Constantin G. Daniliuc, Ofer Filiba, Saumik Sen, Igor Schapiro, Fabio Rizzo, Jens Voskuhl

Research output: Contribution to journalArticlepeer-review

Abstract

In this contribution, we describe a set of three chlorinated bridged ethers with varying numbers of sulfur and oxygen atoms. The substitution leads to highly emissive compounds with tunable photophysical properties in relationship to their state of aggregation, i. e. in solution, as aggregates and in the solid state. Additionally, an in-depth X-ray diffractometric analysis supported by a Hirshfeld study of non-covalent interactions and quantum chemical simulations was carried out. As the outcome, it was found that the content of sulfur in the compounds regulates the tuning of emission in solution as well as in the aggregated states as a consequence of their variation of planarity.

Original languageAmerican English
Article numbere202200169
JournalChemPhotoChem
Volume7
Issue number1
DOIs
StatePublished - Jan 2023

Keywords

  • aggregation
  • aggregation-induced emission
  • chalcogens
  • computational chemistry
  • solid-state structures

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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