http://www.cnr.it/ontology/cnr/individuo/prodotto/ID169318
Random terpolymers for electroluminescent devices: Synthesis and characterization of new cyano-containing poly(fluorenylene-vinylene)s (Articolo in rivista)
- Type
- Label
- Random terpolymers for electroluminescent devices: Synthesis and characterization of new cyano-containing poly(fluorenylene-vinylene)s (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/pola.22917 (literal)
- Alternative label
Roberto Grisorio, Claudia Piliego, Paola Fini, Pinalysa Cosma, Piero Mastrorilli, Giuseppe Gigli, Gian Paolo Suranna, and Cosimo Francesco Nobile (2008)
Random terpolymers for electroluminescent devices: Synthesis and characterization of new cyano-containing poly(fluorenylene-vinylene)s
in Journal of polymer science. Part A, Polymer chemistry
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Roberto Grisorio, Claudia Piliego, Paola Fini, Pinalysa Cosma, Piero Mastrorilli, Giuseppe Gigli, Gian Paolo Suranna, and Cosimo Francesco Nobile (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- \"[Grisorio, Roberto; Mastrorilli, Piero; Suranna, Gian Paolo; Nobile, Cosimo Francesco] Politecn Bari, DIAC, I-70125 Bari, Italy; [Piliego, Claudia; Gigli, Giuseppe] INFM, CNR, NNL, Lecce, Italy; [Piliego, Claudia] ISUFI, Sez Nanosci, Lecce, Italy; [Fini, Paola] CNR, Dipartimento Chim, IPCF, I-70126 Bari, Italy; [Cosma, Pinalysa] Univ Bari, Dipartmento Chim, Bari, Italy; [Gigli, Giuseppe] Univ Salento, Dipartimento Ingn Innovaz, Lecce, Italy (literal)
- Titolo
- Random terpolymers for electroluminescent devices: Synthesis and characterization of new cyano-containing poly(fluorenylene-vinylene)s (literal)
- Abstract
- The synthesis of new random poly(2,7-fluorenylene-vinylene)s was achieved by a Suzuki-Heck cascade polymerization reaction. The poly(fluorenylene-vinylene) base structure was modified by the regio-random incorporation of 1-cyano-2,5-phenylene as electron withdrawing unit (CN-PFV1) and its properties were compared with terpolymers also embodying 1,4-dioctyloxy-2,5-phenylene (CN-PFV2) or 3,6-N-octylcarbazole (CN-PFV3) as electron-donating moieties. Thermal analysis revealed a high thermal stability (T-d > 389 degrees C) and the absence of glass transitions for all polymers. Cyclic voltammetry indicated a high electron affinity of the materials (2.96-3.21 eV) attributed to the presence of the cyano-containing comonomer. In dilute solutions, the copolymers showed a broad green fluorescence with quantum yields ranging from 0.42 to 0.79, while in the solid state, a relatively narrow emission centered at similar to 560 nm, governed by the low-energy segments within the pi-conjugated backbone, was observed. The electroluminescence properties of the materials were tested in OLED devices of ITO/PEDOT-PSS/CN-PFV1-3/Ca/Al or ITO/PEDOT-PSS/CN-PFV1-3/Alq(3)/Ca/Al configurations, showing a bright green-yellow emission that, in the case of CN-PFV2, reached 1403 cd/m(2) with efficiencies as high as 0.13 cd/A. (C) 2008 Wiley Periodicals, Inc. (literal)
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