Polarised luminescent films containing fluorene cross-linkers obtained by in situ photo-polymerisation

Millaruelo, M.; Oriol, Luis; Piñol, Milagros; Sáez, P.; Serrano, José Luís

doi:10.1016/s1010-6030(02)00366-0

Cited by 10 publications

(2 citation statements)

References 26 publications

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“…Millaruelo et al [20] have described a similar behaviour for compounds with the same number of aromatic rings. For the generation of thermotropicity in series I the addition of one aromatic ring is necessary, leading to series II and III (vide supra Scheme 1).…”

Section: Mesomorphic Propertiesmentioning

confidence: 71%

Synthesis and properties of new liquid crystals derivatives of 2,7-diethynyl-9,9-dihexylfluorene

et al. 2012

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Section: Mesomorphic Propertiesmentioning

confidence: 71%

Synthesis and properties of new liquid crystals derivatives of 2,7-diethynyl-9,9-dihexylfluorene

et al. 2012

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“…9), and the resultant emission dichroic ratios are from 9 : 1 to 14 : 1 across the visible spectrum [64]. Other nematic liquid crystalline oligomers have been synthesized, but generally have a lower degree of order and, thus, smaller emission dichroism, of 4 : 1 to 7 : 1 [169].…”

Section: Polarized Photoluminescencementioning

confidence: 99%

Fluorene-Based Conjugated Oligomers for Organic Photonics and Electronics

Wallace

Chen

Polyfluorenes

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Synthesis and characterization of light‐emitting oligo(p‐phenylene‐vinylene)s and polymeric derivatives containing three‐ and five‐conjugated phenylene rings

Lin

Tsai

Huang

et al. 2005

J. Polym. Sci. A Polym. Chem.

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Several series of light-emitting oligo(p-phenylene-vinylene)s (BIII and BV series containing three-and five-conjugated phenylene rings) with various side groups and end groups attached to the cores were synthesized and characterized. The analogous PBV polymers, derived from the BV series, were also synthesized and investigated. Blue and greenish light emissions were observed in the photoluminescence (PL) and electroluminescence (EL) spectra of the blend and pure films with these p-conjugated structures. In contrast to the three-conjugated ring oligomers, the five-conjugated ring derivatives (oligomers and polymers) had larger maximum emission wavelength values of PL and EL emissions. Mesomorphism was introduced into the BV series by the replacement of three-conjugated rings (BIII series) with five-conjugated phenyl cores (BV series). The liquid-crystalline properties of the BV series with end groups (on both end rings) were better than those of analogous BV-OC 8 without end groups. Polarized PL emissions were obtained by the alignment of liquid-crystalline phase in rubbing cells. Upon heating, different PL emission wavelengths and intensities were observed in various phases. Not only the solubility and thermal properties but also the PL and EL properties could be effectively adjusted by the attachment of flexible alkoxy groups either on the central rings or on both end rings of the conjugated cores. V V C 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 44: [783][784][785][786][787][788][789][790][791][792][793][794][795][796][797][798][799][800] 2006

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Polarised luminescent films containing fluorene cross-linkers obtained by in situ photo-polymerisation

Cited by 10 publications

References 26 publications

Synthesis and properties of new liquid crystals derivatives of 2,7-diethynyl-9,9-dihexylfluorene

Synthesis and properties of new liquid crystals derivatives of 2,7-diethynyl-9,9-dihexylfluorene

Fluorene-Based Conjugated Oligomers for Organic Photonics and Electronics

Synthesis and characterization of light‐emitting oligo(p‐phenylene‐vinylene)s and polymeric derivatives containing three‐ and five‐conjugated phenylene rings

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