“Impurity”-driven tunable organic room temperature phosphorescence via conformational regulation in multi host/guest systems
Abstract
, singlet-to-singlet (SSET) and triplet-to-triplet (TTET). It presents a novel trace doping strategy for developing RTP materials with tunable optical features by synergistically controlling the ground and excited state geometries of a single guest molecule, which is rarely reported in the literature. Furthermore, by employing a suitable host matrix, we successfully stabilized a linear conformer of guest DPB in the ground state, which is otherwise unstable, and resulted in improved quantum yield. Simultaneously, we report unusual RTP from commercial BDCA, which we suspect to be caused by the presence of diphenylbenzil-based impurities, reiteratively emphasizing the importance of exercising caution whenever a system exhibits unusual properties.
Fields of Study & Subjects
Organic Light-Emitting Diodes Research
Luminescence and Fluorescent Materials
Lanthanide and Transition Metal Complexes
Publication details
- Journal / source
- Chemical Science
- Publisher
- Royal Society of Chemistry (RSC)
- Volume
- 17
- Issue
- 10
- Pages
- 5016–5028
- Publication date
- 1 January 2026
- Language
- EN