Research Abstract



Nonvolatile liquid anthracenes for facile full-colour luminescence tuning at single blue-light excitation

2013年6月7日 Nature Communications 4 : 1969 doi: 10.1038/ncomms2969


Sukumaran Santhosh Babu1, Martin J. Hollamby1, 相見 順子1, 小澤 寛晃1, 佐伯 昭紀2, 関 修平2, 小林 健二3, 萩原 啓太4, 吉沢 道人4, Helmuth Möhwald5 & 中西 尚志1

  1. 物質・材料研究機構
  2. 大阪大学大学院 工学研究科 応用化学専攻
  3. 静岡大学理学部化学科
  4. 東京工業大学 資源化学研究所
  5. マックス・プランク コロイド・界面化学研究所(独)
Nonvolatile room-temperature luminescent molecular liquids are a new generation of organic soft materials. They possess high stability, versatile optical properties, solvent-free fluid behaviour and can effectively accommodate dopant dye molecules. Here we introduce an approach to optimize anthracene-based liquid materials, focussing on enhanced stability, fluorescence quantum yield, colour tunability and processability, with a view to flexible electronic applications. Enveloping the anthracene core in low-viscosity branched aliphatic chains results in stable, nonvolatile, emissive liquid materials. Up to 96% efficient energy-transfer-assisted tunable emission is achieved by doping a minute amount of acceptor dye in the solvent-free state. Furthermore, we use a thermoresponsive dopant to impart thermally controllable luminescence colours. The introduced strategy leading to diverse luminescence colours at a single blue-light excitation can be an innovative replacement for currently used luminescent materials, providing useful continuous emissive layers in developing foldable devices.