Concentration‐ and Solvent‐Dependent Photochemical Instability of 6,13‐Bis(triisopropysilylethynyl)pentacene

Concentration‐ and Solvent‐Dependent Photochemical Instability of 6,13‐Bis(triisopropysilylethynyl)pentacene

The solvent‐ and concentration‐dependent photostability of TIPS‐pentacene in solution is directly related to the efficiency of singlet‐state deactivation by a combination of pairwise interactions and quenching at low concentration. At higher concentrations, further increases in stability suggest the...

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Veröffentlicht in:Advanced optical materials 2014-07, Vol.2 (7), p.636-640
Hauptverfasser: Abu‐Sen, Laila, Morrison, John J., Horn, Andrew B., Yeates, Stephen G.
Format: Artikel
Sprache:eng
Schlagworte:
Agglomeration
Deactivation
Instability
Low concentrations
Optical materials
Optics
pentacenes
Photochemical
photostability
Quenching
solubility
Stability
UV‐visible
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Zusammenfassung:The solvent‐ and concentration‐dependent photostability of TIPS‐pentacene in solution is directly related to the efficiency of singlet‐state deactivation by a combination of pairwise interactions and quenching at low concentration. At higher concentrations, further increases in stability suggest the onset of aggregation.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201400003