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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  "description": "<p>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 \u00d7 10<sup>-4</sup>\u00a0and 2 \u00d7 10<sup>-4</sup>\u00a0cm<sup>2</sup>\u00a0V<sup>-1</sup>\u00a0s<sup>-1</sup>, respectively, at electric fields higher than 5.3 \u00d7 10<sup>5</sup>\u00a0V cm<sup>-1</sup>. The resulting WOLED exhibited a maximum luminance of 6579 cd m<sup>-2</sup>\u00a0with 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.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland", 
      "@type": "Person", 
      "name": "Chapran, Marian"
    }, 
    {
      "affiliation": "WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.", 
      "@type": "Person", 
      "name": "Angioni, Enrico"
    }, 
    {
      "affiliation": "WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.", 
      "@type": "Person", 
      "name": "Findlay, Neil J."
    }, 
    {
      "affiliation": "WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.", 
      "@type": "Person", 
      "name": "Breig, Benjamin"
    }, 
    {
      "affiliation": "Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, Ohio 44242, United States", 
      "@type": "Person", 
      "name": "Cherpk, Vladyslav"
    }, 
    {
      "affiliation": "Lviv Polytechnic National University, S. Bandera 12, 79013 Lviv, Ukraine", 
      "@type": "Person", 
      "name": "Stakhira, Pavlo"
    }, 
    {
      "affiliation": "WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.", 
      "@type": "Person", 
      "name": "Tuttle, Tell"
    }, 
    {
      "affiliation": "Department of Polymer Chemistry and Technology, Kaunas University of Technology, Radvilenu Plentas 19, LT-50254 Kaunas, Lithuania", 
      "@type": "Person", 
      "name": "Volyniuk, Dmytro"
    }, 
    {
      "affiliation": "Department of Polymer Chemistry and Technology, Kaunas University of Technology, Radvilenu Plentas 19, LT-50254 Kaunas, Lithuania", 
      "@type": "Person", 
      "name": "Grazulevicius,  Juozas V."
    }, 
    {
      "affiliation": "Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, Ohio 44242, United States", 
      "@type": "Person", 
      "name": "Nastishin, Yuriy A."
    }, 
    {
      "affiliation": "Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, Ohio 44242, United States", 
      "@type": "Person", 
      "name": "Lavrentovich, Oleg D."
    }, 
    {
      "affiliation": "WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow G1 1XL, U.K.", 
      "@type": "Person", 
      "name": "Skabara, Peter J."
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  ], 
  "sameAs": [
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  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-01-12", 
  "headline": "An ambipolar BODIPY derivative for a white exciplex OLED and cholesteric liquid crystal laser toward multifunctional devices", 
  "url": "https://zenodo.org/record/438642", 
  "keywords": [
    "BODIPY dye", 
    "cholesteric liquid crystal laser", 
    "exciplex", 
    "organic light-emitting diodes (OLEDs)", 
    "white light"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.1021/acsami.6b13689", 
  "@id": "https://doi.org/10.1021/acsami.6b13689", 
  "@type": "ScholarlyArticle", 
  "name": "An ambipolar BODIPY derivative for a white exciplex OLED and cholesteric liquid crystal laser toward multifunctional devices"
}