Circularly Polarized Luminescence from Bischromophoric Cyanostilbene‐Derived Homochiral Nanostructures in Solution,ChemNanoMat

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Circularly Polarized Luminescence from Bischromophoric Cyanostilbene‐Derived Homochiral Nanostructures in Solution
ChemNanoMat ( IF 2.6 ) Pub Date : 2020-05-19 , DOI: 10.1002/cnma.202000275
Souvik Sarkar ₁ , Bhawani Narayan _{1,

2} , Subi J. George ₁

Affiliation

Herein, we present the self‐assembly and chiroptical properties of enantiomeric bischromophoric molecules consisting of trans‐(1,2)‐cyclohexanediamide as the chiral core and cyanostilbene derivative as the fluorescent chromophores. These enantiomers form diverse organic nanostructures, such as vesicles and two‐dimensional sheets, in non‐polar solvents, exhibiting circularly polarized luminescence (CPL) with a remarkable luminescence dissymmetry factor, |g_lum|, in solution. Detailed spectroscopic probing reveals the formation of supramolecular conglomerate assemblies from its racemic mixture of monomers due to the chirality mismatch of the core.

中文翻译：

溶液中双色氰基二苯乙烯衍生的手性纳米结构的圆偏振发光

在这里，我们介绍了对映体双发色分子的自组装和手性性质，该对映体双发色分子由反式-（1,2）-环己二酰胺为手性核，而氰基二苯并菲衍生物为荧光发色团。这些对映异构体在非极性溶剂中形成多种有机纳米结构，例如囊泡和二维薄片，在溶液中表现出圆偏振发光（CPL），具有显着的发光不对称因子| g _lum |。详细的光谱探测揭示了由于核的手性不匹配，由其外消旋的单体混合物形成了超分子聚集体。

更新日期：2020-05-19

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