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has been cited by the following article:

• TITLE: Polyfluorene-Polytriarylamine Block Copolymer as an Additive for Electroluminescent Devices Based on Polymer Blends

  AUTHORS: Mehdi Jahanfar, Ying Tan, Kousuke Tsuchiya, Takeshi Shimomura, Kenji Ogino

  KEYWORDS: Polyfluorene; Polytriarylamine; Block Copolymer; Polymer Blend; Polymer-Light Emitting Diode

  JOURNAL NAME: Open Journal of Organic Polymer Materials, Vol.3 No.2, April 29, 2013

  ABSTRACT: Electroluminescent characteristics were investigated for the blue emitting devices fabricated with the blend systems consisting of hole transporting polytriarylamine (PTAA), electron transporting polyfluorene (PF), and a block copolymer with both segments (PF-b-PTAA) as an active layer in order to elucidate the relationship between the chemical nature and morphology of the active layer, and EL performance. The addition of PF-b-PTAA to PF homopolymer afforded the hole injecting and/or electron blocking ability to increase the efficiency. The addition to PF/PTAA blend keeping the chemical composition constant also improved the performance by controlling the morphology and/or the domain size in phase-separated films.