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2012 | 10 | 2 | 313-319
Tytuł artykułu

Influence of acceptor functionality on charge transfer interactions in mixtures of poly(9-vinylcarbazole) with nitroaromatic compounds

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Charge transfer interactions in mixtures of poly(9-vinylcarbazole) with three nitro compounds (4,4′dinitrodibenzyl, ethyl 3,5-dinitrobenzoate and 2,2′,4,4′-tetranitrodibenzyl) were examined. GPC shows an increase of apparent polymer weight average molecular weight (MW) in mixtures compared with pure PVK. Electron acceptors show upfield 1H-NMR shifts for all mixtures. The equilibrium association constants (k) calculated from the Benesi-Hildebrand equation are 0.511, 1.371, and 1.868 L mol−1 for PVK blends with DNDB, DNBE and TNDB, respectively. Shifts of (−NO2) stretch vibrations in mixtures support charge transfer complex formation between PVK chains and electron acceptors The ability to accept electrons decreases: TNDB>DNBE>DNDB. [...]
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Wydawca

Czasopismo
Rocznik
Tom
10
Numer
2
Strony
313-319
Opis fizyczny
Daty
wydano
2012-04-01
online
2012-01-29
Twórcy
  • “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania, angrig@icmpp.ro
  • “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania
Bibliografia
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-011-0144-1
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