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- W4281678325 abstract "The chiroptical features of chiral diketopyrrolo[3,4-c]pyrrole (DPP) derivatives have been only marginally investigated to date. In this regard, we have synthesized ad hoc four chiral DPP dyes, functionalized with enantiopure alkyl groups from natural sources either on the lactam moieties or on the terminal positions of the π-conjugated backbone, to promote an efficient self-assembly into chiral supramolecular structures. For each of them, the aggregation modes has been investigated by absorbance and ECD spectroscopies in conditions of solution aggregation and on thin films, considering the effects of deposition technique (drop casting vs. spin coating) and post-deposition operations (solvent and thermal annealing). The effect of the structure of lateral π-conjugated units attached to the central DPP scaffold, as well as that of the position of the alkyl chiral group, has been assessed. ECD revealed superior capability, compared to absorbance spectroscopy, to provide information on the aggregation modes and to detect the possible co-existence of multiple aggregation pathways." @default.
- W4281678325 created "2022-06-13" @default.
- W4281678325 creator A5010991998 @default.
- W4281678325 creator A5012512737 @default.
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- W4281678325 creator A5066708808 @default.
- W4281678325 creator A5089367198 @default.
- W4281678325 creator A5091370930 @default.
- W4281678325 date "2022-07-26" @default.
- W4281678325 modified "2023-10-05" @default.
- W4281678325 title "Aggregation Modes of Chiral Diketopyrrolo[3,4‐ <i>c</i> ]pyrrole Dyes in Solution and Thin Films" @default.
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