ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Luminescent Chiral Molecular Glasses by Melt-Quenching Enantiopure BINAP.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Circularly Polarized Luminescent and Melt-Processable Copper(I)-Organic Glasses Based on 2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl.Angewandte Chemie (International ed. in English) · 2026Article
- Luminescent Chiral Molecular Glasses by Melt-Quenching Enantiopure BINAP.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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9 authors.
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Abstract
Chiral organic glasses combine unique optical properties with the processing advantages of amorphous solids. Here, melt-quenching as a strategy for preparing optically active glasses from enantiopure BINAP (2,2'-bis(diphenylphosphino)-1,1'-binaphthyl), a pivotal ligand in asymmetric catalysis and for luminescent metal complexes is demonstrated. Thermal characterization reveals that only R-BINAP and S-BINAP, not rac-BINAP, form molecular glasses with glass transition temperatures near 100 °C. Pair distribution function analysis and circular dichroism confirm the retention of local structure and homochirality despite the loss of long-range order. Remarkably, the glassy state has a beneficial influence on the molecular optoelectronic properties relative to the crystalline state, resulting in an increase of the radiative rate constant by ≈30%, attributed to more favourable Franck-Condon factors. In addition, a highly unusual simultaneous enhancement of circularly polarized luminescence (CPL) by nearly an order of magnitude is observed, achieving dissymmetry factors |g
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