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11 Result(s)

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  1. No Access

    Article

    New π-conjugated electroluminescent polymers containing organoiridium quinolinolate complexes in the backbone and light diodes formed on their basis

    New conjugated copolyfluorenes containing covalently bound quinolinolate complexes of iridium in the backbone are synthesized under conditions of the Yamamoto reaction. The structures and properties of the pol...

    M. L. Keshtov, D. V. Marochkin, S. A. Kuklin, E. I. Mal’tsev… in Polymer Science Series B (2014)

  2. No Access

    Article

    Synthesis and photo- and electroluminescent properties of copolyfluorenes with nile red fragments in side chains

    New copolyfluorenes containing units of 4,7-dibromo-2,1,3-benzothiadiazole (green luminophore) and 3,6- or 2,7-dibromocarbazole derivatives with side-chain fragments of green (4-pyrrolidinyl-1,8-naphthalimide)...

    G. I. Nosova, D. A. Lypenko, R. Yu. Smyslov, I. A. Berezin… in Polymer Science Series B (2014)

  3. No Access

    Article

    New photo- and electroluminescent conjugated copolyfluorenes with 7,8,10-triarylfluoranthene units in the backbone

    A new monomer, the dibromo derivative of fluoranthene 1-[7,10-bis(4-bromophenyl)fluoranthen-8-yl]pyrene, is synthesized and used to prepare three new copolyfluorenes containing 3, 5, and 10 mol % 7,8,10-triary...

    M. L. Keshtov, E. I. Mal’tsev, D. V. Marochkin, A. V. Muranov… in Polymer Science Series B (2012)

  4. No Access

    Article

    Photoluminescent phenylated polyfluorenes synthesized in an organic solvent and supercritical carbon dioxide

    A number of new phenylated polyfluorenes with blue emission are synthesized via the Diels-Alder reaction in chloronaphthalene and supercritical carbon dioxide. It is shown that these polymers are thermally sta...

    M. L. Keshtov, E. I. Mal’tsev, A. M. Lopatin, L. N. Nikitin… in Polymer Science Series B (2012)

  5. No Access

    Article

    New π-conjugated polymers based on N-(4-(3,5-bis(4-bromophenyl)-[1,2,4]triazol-4-yl)-phenyl)carbazole: Synthesis and photoluminescent, electroluminescent, and electrochromic properties

    New π-conjugated copolyfluorenes carrying main-chain electron-acceptor triazole groups and side-chain electron-donor carbazole fragments are synthesized. All copolymers show solubility in common organic solven...

    M. L. Keshtov, E. I. Mal’tsev, D. V. Marochkin, V. S. Kochurov… in Polymer Science Series B (2011)

  6. No Access

    Article

    New photoluminescent phenylated polyfluorenes

    A new fluorene-containing bis(cyclopentadienone) is synthesized. The interaction of this compound with various diethynylarylenes via the Diels-Alder reaction gives rise to new photoactive phenylated polyfluore...

    M. L. Keshtov, E. I. Mal’tsev, D. A. Lypenko, S. I. Pozin… in Polymer Science Series B (2010)

  7. No Access

    Article

    Synthesis and photophysical properties of polyphenylquinoxalines with thiophene and benzothiophene units in side chains

    New bis(α-diketones) with thiophene and benzothiophene moieties were synthesized. A series of new polyphenylquinoxalines containing these moieties in side chains was prepared via polycondensation of these dike...

    M. L. Keshtov, E. I. Mal’tsev, D. A. Lypenko, M. A. Brusentseva… in Polymer Science Series A (2008)

  8. No Access

    Article

    Synthesis and photophysical properties of polyphenylquinoxalines with thiophene and dibenzothiophene units in the backbone

    New bis(α-diketones) containing thiophene and dibenzothiophene groups were synthesized. Via the reaction of these monomers with aromatic tetramines under high-temperature polycondensation conditions, a series ...

    M. L. Keshtov, E. I. Mal’tsev, D. A. Lyphenko… in Polymer Science Series B (2007)

  9. No Access

    Article

    New carbazole-containing polyphenylquinoxalines: Synthesis, photophysical, and electroluminescent properties

    New carbazole-containing polyphenylquinoxalines combining the electron-transport behavior of quinoxaline with hole-transport and electroluminescent properties of carbazole have been synthesized. The polymers s...

    M. L. Keshtov, E. I. Mal’tsev, D. A. Lypenko, M. A. Brusentsova… in Polymer Science Series A (2006)

  10. No Access

    Article

    Electrophosphorescence of aromatic polyimides doped with platinum porphyrins

    The mechanism of electroluminescence in polymeric thin-layer devices based on aromatic polyimides and various molecular complexes of Pt porphyrins as heavy-atom-containing luminophores was studied. On the basi...

    E. I. Mal’tsev, M. A. Brusentseva, V. D. Rumyantseva… in Polymer Science Series A (2006)

  11. No Access

    Article

    Infrared electroluminescence of organic nanocrystals in polymer composites

    Electroluminescent polymeric nanocomposite structures that are based on aromatic polyimides and cyanine dye nanosized crystals known as J aggregates and emit light in the IR region were prepared. For the first...

    E. I. Mal’tsev, D. A. Lypenko, A. I. Tolmachev… in Polymer Science Series A (2006)