发光
手性(物理)
镧系元素
配体(生物化学)
材料科学
圆极化
化学
纳米技术
结晶学
光电子学
光学
物理
受体
对称性破坏
有机化学
自发对称破缺
量子力学
生物化学
离子
Nambu–Jona Lasinio模型
微带线
作者
David Caffrey,Tumpa Gorai,Bláithín Rawson,Miguel Martínez‐Calvo,Jonathan A. Kitchen,Niamh S. Murray,Oxana Kotova,Steve Comby,Robert D. Peacock,Patrycja Stachelek,Róbert Pál,Thorfinnur Gunnlaugsson
标识
DOI:10.1002/advs.202307448
摘要
The synthesis of a family of chiral and enantiomerically pure pyridyl-diamide (pda) ligands that upon complexation with europium [Eu(CF3 SO3 )3 ] result in chiral complexes with metal centered luminescence is reported; the sets of enantiomers giving rise to both circular dichroism (CD) and circularly polarized luminescence (CPL) signatures. The solid-state structures of these chiral metallosupramolecular systems are determined using X-ray diffraction showing that the ligand chirality is transferred from solution to the solid state. This optically favorable helical packing arrangement is confirmed by recording the CPL spectra from the crystalline assembly by using steady state and enantioselective differential chiral contrast (EDCC) CPL Laser Scanning Confocal Microscopy (CPL-LSCM) where the two enantiomers can be clearly distinguished.
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