2022
DOI: 10.1002/ange.202203075
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Räumliche und zeitliche Kartierung effizienter chiraler Induktion durch helikale Additive in dünnen Copolymerfilmen

Abstract: Wir beobachteten eine effiziente Induktion von Chiralität in dünnen Polyfluoren-Copolymer-Dünnschichten durch Mischen mit chiralen Additiven vom Helicen-Typ basierend auf dem Dibenzo[c,h]acridin-Motiv. Bilder, die mittels Circulardichroismus (CD)und zirkular polarisierter Lumineszenz (CPL)-Mikroskopie erhalten wurden, liefern Informationen zu den chiralen Anordnungen in den dünnen Schichten mit beugungsbegrenzter Auflösung. Das CD-Signal zeigt eine charakteristische Abhängigkeit von der Filmdicke, was für eine… Show more

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(2 citation statements)
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“…The g abs and g lum values of these compounds both as molecules in solution and as thin films are quite small (about 10 −2 or below). Films of the pure additive therefore do not support chiral supramolecular structures [15, 17] …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The g abs and g lum values of these compounds both as molecules in solution and as thin films are quite small (about 10 −2 or below). Films of the pure additive therefore do not support chiral supramolecular structures [15, 17] …”
Section: Resultsmentioning
confidence: 99%
“…Specifically, we used 2,2′‐dimethoxy‐5,5′,6,6′‐tetrahydro‐1,1′‐bidibenzo[ c , h ]acridine 2 and its methylene‐bridged analog 3 (Figure 1). [15] The photophysics of the pure compounds 2 and 3 has been investigated in detail previously [15, 17] …”
Section: Introductionmentioning
confidence: 99%