1968
DOI: 10.1051/jcp/1968650146
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Circular dichroism spectra of adsorbed dye-aggregates

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Cited by 13 publications
(8 citation statements)
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“…In 1964, Mason observed circular dichroism (CD) effects upon addition of a concentrated solution of PIC chloride in ethanol to an aqueous (+)‐tartrate solution (Figure 3). 22 According to Scheibe et al., these CD effects originate from the close contact of the cationic aggregate with the optically active tartrate anion, whereby a small local distortion within the dye assembly takes place 23…”
Section: Cyanine Dyesmentioning
confidence: 99%
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“…In 1964, Mason observed circular dichroism (CD) effects upon addition of a concentrated solution of PIC chloride in ethanol to an aqueous (+)‐tartrate solution (Figure 3). 22 According to Scheibe et al., these CD effects originate from the close contact of the cationic aggregate with the optically active tartrate anion, whereby a small local distortion within the dye assembly takes place 23…”
Section: Cyanine Dyesmentioning
confidence: 99%
“…Scheibe et al. recognized in the 1960s that the hydrophobic effect (also called solvophobic effect for solvents other than water) is the main driving force for the aggregation of cyanine dyes in water 23. Since dispersion forces between the dye molecules can neither explain the high values of free binding energy, nor the fact that these dyes aggregate only in water at room temperature, the hydrogen‐bonding interactions within this solvent have to be considered.…”
Section: Cyanine Dyesmentioning
confidence: 99%
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“…1964 beobachtete Mason einen Circulardichroismus (CD) nach Zugabe einer konzentrierten Lösung von PIC‐Chlorid in Ethanol zu wässriger (+)‐Tartratlösung (Abbildung 3). 22 Scheibe und Mitarbeitern zufolge entsteht dieser CD‐Effekt durch den engen Kontakt zwischen den kationischen Aggregaten und den optisch aktiven Tatratanionen, wodurch eine leichte Verformung des Farbstoffaggregates erfolgt 23…”
Section: Cyanineunclassified
“…Scheibe und Mitarbeiter erkannten in den 1960er Jahren, dass der hydrophobe Effekt (bei anderen Lösungsmitteln als Wasser auch solvophober Effekt genannt) die Haupttriebkraft für die Aggregation von Cyaninfarbstoffen in Wasser liefert 23. Da Dispersionswechselwirkungen zwischen den Farbstoffmolekülen weder die hohe freie Bindungsenthalpie noch die Tatsache, dass Cyanine nur in Wasser aggregieren, erklären können, sind noch Wasserstoffbrücken zwischen den Lösungsmittelmolekülen zu berücksichtigen.…”
Section: Cyanineunclassified