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Thomas, Heidi [Author]; Haase, Katherina [Author]; Achenbach, Tim [Author]; Bärschneider, Toni [Author]; Kirch, Anton [Author]; Talnack, Felix [Author]; Mannsfeld, Stefan C. B. [Author]; Reineke, Sebastian [Author]

Impact of Fabrication Processes of Small-Molecule-Doped Polymer Thin-Films on Room-Temperature Phosphorescence

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  • Media type: E-Article
  • Title: Impact of Fabrication Processes of Small-Molecule-Doped Polymer Thin-Films on Room-Temperature Phosphorescence
  • Contributor: Thomas, Heidi [Author]; Haase, Katherina [Author]; Achenbach, Tim [Author]; Bärschneider, Toni [Author]; Kirch, Anton [Author]; Talnack, Felix [Author]; Mannsfeld, Stefan C. B. [Author]; Reineke, Sebastian [Author]
  • imprint: Lausanne : Frontiers Media, [2024]
  • Language: English
  • DOI: 10.3389/fphy.2022.841413
  • Keywords: host-guest system ; wet thin-film processing ; Physik ; persistent luminescence ; science-physics ; Triplett-Zustand ; Nass-Dünnschicht-Verarbeitung ; persistente Phosphoreszenz ; Host-Guest-System ; organischer Emitter ; UV excitation ; room-temperature phosphorescence ; triplet state ; persistente Lumineszenz ; UV-Anregung ; Raumtemperatur-Phosphoreszenz ; organic emitter ; persistent phosphorescence
  • Origination:
  • Footnote: Hinweis: Link zum Artikel der zuerst in der Zeitschrift „Frontiers in physics” bei Frontiers Media erschienen ist. DOI: 10.3389/fphy.2022.841413
  • Description: The development of organic materials displaying room-temperature phosphorescence is a research field that has attracted more and more attention in the last years. Most studies focus on designing or optimizing emitter molecules to increase the phosphorescent performance in host:emitter systems. Rarely, the overall thin-film preparation routines are compared with respect to their triplet-state luminescence yield. Herein, different film preparation techniques are investigated using the very same emitter molecule. A variation of host polymer, post-annealing temperature, and fabrication procedure is evaluated with respect to the obtained phosphorescent lifetime, photoluminescent quantum yield, and phosphorescence-to-luminescence ratio. This study elaborates the importance of different film preparation techniques and gathers a concise set of data which is helpful to anyone optimizing the phosphorescence of a particular system.
  • Access State: Open Access
  • Rights information: Attribution (CC BY)