Substituent Effect in Sensitization Mechanisms of Pyrromethene Dyes in Solution

Substituent Effect in Sensitization Mechanisms of Pyrromethene Dyes in Solution

The sensitization mechanisms for photo-initiations comprised a sensitizer dyes such as 2, 8-diethyl-1, 3, 5, 7, 9-pentamethylbipyrromethene difluoroborate (EBP), 1, 3, 5, 7, 9-pentamethyl-bipyrromethene difluoroborate (HBP), and 2, 8-diethyl-1, 3, 5, 7-teramethyl-9-phenylbipyrromethene difluoroborat...

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Veröffentlicht in:Journal of Photopolymer Science and Technology 2000, Vol.13(5), pp.691-696
Hauptverfasser: Urano, Toshiyuki, Ohno-Okumura, Eiko, Sakamoto, Keiichi, Suzuki, Shota, Yamaoka, Tsuguo, Hara, Naoto, Fukui, Keijiro, Karatsu, Takashi, Kitamura, Akihide
Format: Artikel
Sprache:eng
Schlagworte:
liquid photoresist
polymerization
pyrromethene
Sensitizer
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Zusammenfassung:The sensitization mechanisms for photo-initiations comprised a sensitizer dyes such as 2, 8-diethyl-1, 3, 5, 7, 9-pentamethylbipyrromethene difluoroborate (EBP), 1, 3, 5, 7, 9-pentamethyl-bipyrromethene difluoroborate (HBP), and 2, 8-diethyl-1, 3, 5, 7-teramethyl-9-phenylbipyrromethene difluoroborate (PBP), and a radical generating reagent 3, 3′, 4, 4′-tetrakis(t-butylperoxycarbonyl) benzophenone (BTTB) in acetonitrile have been investigated by singe photon counting.
ISSN:0914-9244
1349-6336
DOI:10.2494/photopolymer.13.691