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• W4282970813 abstract "Circularly polarized luminescence (CPL) with tunable chirality is currently a challenging issue in the development of supramolecular nanomaterials. We herein report the formation of helical nanoribbons which grow into helical tubes through dynamic helicity inversion. For this, chiral PtII complexes of terpyridine derivatives, namely S-trans-1 and R-trans-1, with respective S- and R-alanine subunits and incorporating trans-double bonds in the alkyl chain were prepared. In DMSO/H2 O (5 : 1 v/v), S-trans-1 initially forms a fibrous self-assembled product, which then undergoes dynamic transformation into helical tubes (left-handed or M-type) through helical ribbons (right-handed or P-type). Interestingly, both helical supramolecular architectures are capable of emitting CPL signals. The metastable helical ribbons show CPL signals (glum =±4.7×10-2 ) at 570 nm. Meanwhile, the nanotubes, which are the thermodynamic products, show intense CPL signals (glum =±5.6×10-2 ) at 610 nm accompanied by helicity inversion. This study provides an efficient way to develop highly dissymmetric CPL nanomaterials by regulating the morphology of metallosupramolecular architectures." @default.
• W4282970813 created "2022-06-17" @default.
• W4282970813 creator A5021496950 @default.
• W4282970813 creator A5022177834 @default.
• W4282970813 creator A5024061112 @default.
• W4282970813 creator A5052091511 @default.
• W4282970813 creator A5060353036 @default.
• W4282970813 creator A5061047186 @default.
• W4282970813 creator A5061964278 @default.
• W4282970813 creator A5063882163 @default.
• W4282970813 creator A5068016625 @default.
• W4282970813 creator A5077163122 @default.
• W4282970813 date "2022-07-08" @default.
• W4282970813 modified "2023-10-02" @default.
• W4282970813 title "Circularly Polarized Luminescence Active Supramolecular Nanotubes Based on Pt^II Complexes That Undergo Dynamic Morphological Transformation and Helicity Inversion" @default.
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