January 12, 2017 Journal article Open Access

Chapran, Marian; Angioni, Enrico; Findlay, Neil J.; Breig, Benjamin; Cherpk, Vladyslav; Stakhira, Pavlo; Tuttle, Tell; Volyniuk, Dmytro; Grazulevicius, Juozas V.; Nastishin, Yuriy A.; Lavrentovich, Oleg D.; Skabara, Peter J.

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  <dc:creator>Chapran, Marian</dc:creator>
  <dc:creator>Angioni, Enrico</dc:creator>
  <dc:creator>Findlay, Neil J.</dc:creator>
  <dc:creator>Breig, Benjamin</dc:creator>
  <dc:creator>Cherpk, Vladyslav</dc:creator>
  <dc:creator>Stakhira, Pavlo</dc:creator>
  <dc:creator>Tuttle, Tell</dc:creator>
  <dc:creator>Volyniuk, Dmytro</dc:creator>
  <dc:creator>Grazulevicius,  Juozas V.</dc:creator>
  <dc:creator>Nastishin, Yuriy A.</dc:creator>
  <dc:creator>Lavrentovich, Oleg D.</dc:creator>
  <dc:creator>Skabara, Peter J.</dc:creator>
  <dc:date>2017-01-12</dc:date>
  <dc:description>A new interface engineering method is demonstrated for the preparation of an efficient white organic light-emitting diode (WOLED) by embedding an ultrathin layer of the novel ambipolar red emissive compound 4,4-difluoro-2,6-di(4-hexylthiopen-2-yl)-1,3,5,7,8-pentamethyl-4-bora-3a,4a-diaza-s-indacene (bThBODIPY) in the exciplex formation region. The compound shows a hole and electron mobility of 3.3 × 10-4 and 2 × 10-4 cm2 V-1 s-1, respectively, at electric fields higher than 5.3 × 105 V cm-1. The resulting WOLED exhibited a maximum luminance of 6579 cd m-2 with CIE 1931 color coordinates (0.39; 0.35). The bThBODIPY dye is also demonstrated to be an effective laser dye for a cholesteric liquid crystal (ChLC) laser. New construction of the ChLC laser, by which a flat capillary with an optically isotropic dye solution is sandwiched between two dye-free ChLC cells, provides photonic lasing at a wavelength well matched with that of a dye-doped planar ChLC cell.</dc:description>
  <dc:identifier>https://zenodo.org/record/438642</dc:identifier>
  <dc:identifier>10.1021/acsami.6b13689</dc:identifier>
  <dc:identifier>oai:zenodo.org:438642</dc:identifier>
  <dc:relation>info:eu-repo/grantAgreement/EC/H2020/674990/</dc:relation>
  <dc:relation>url:https://strathprints.strath.ac.uk/60334/</dc:relation>
  <dc:relation>doi:10.15129/dd4e4a3b-71a9-4cd2-a640-61b8ab54eead</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:source>ACS Applied Materials and Interfaces 9(5) 4750-4757</dc:source>
  <dc:subject>BODIPY dye</dc:subject>
  <dc:subject>cholesteric liquid crystal laser</dc:subject>
  <dc:subject>exciplex</dc:subject>
  <dc:subject>organic light-emitting diodes (OLEDs)</dc:subject>
  <dc:subject>white light</dc:subject>
  <dc:subject>Photonics</dc:subject>
  <dc:title>An ambipolar BODIPY derivative for a white exciplex OLED and cholesteric liquid crystal laser toward multifunctional devices</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>