Details

Autor(en) / Beteiligte

• Sorg, Jens R
• Wehner, Tobias
• Matthes, Philipp R
• Sure, Rebecca
• Grimme, Stefan
• Heine, Johanna
• Müller-Buschbaum, Klaus

Titel

Bismuth as a versatile cation for luminescence in coordination polymers from BiX3/4,4′-bipy: understanding of photophysics by quantum chemical calculations and structural parallels to lanthanidesElectronic supplementary information (ESI) available: 37 figures and 25 tables on crystallographic data, thermal analysis, spectroscopy and theoretical calculations. CCDC 1554513-1554523. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8dt00642c

Erscheinungsjahr

2018-06

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Coordination polymers (CPs) with bismuth( iii ) as a connectivity centre have been prepared from BiX 3 (X = Cl-I) and 4,4′-bipyridine (bipy) in order to implement Bi-based luminescence. The products were obtained via different synthetic routes such as solution chemistry, melt syntheses or mechanochemical reactions. Five neutral and anionic 1D-CPs are presented that show a chemical parallel to trivalent lanthanides forming isostructural or closely related 1D-CPs, of which five additional compounds are described. Bi 3+ proves to be a versatile cation for luminescence resulting from energy transfer processes between a metal and a ligand in the presented CPs. Quantum chemical calculations were carried out to investigate Bi 3+ -participation in the luminescence processes. The calculated results allow an assignment of the bright transitions composed of mainly metal-to-ligand-charge transfer (MLCT) character. These results show that Bi 3+ can form strongly luminescent coordination compounds with N-donor ligands. Bi-coordination polymers exhibit remarkable CT-based photoluminescence.