Doping of functional materials into poly(p-phenylene vinylene) by the vapor transportation method

Mochizuki, Hiroyuki; Mizokuro, Toshiko; Tanigaki, Nobutaka; Mo, Xiaoliang; Hiraga, Takashi
November 2004
Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5155
Academic Journal
Poly(p-phenylene vinylene) (PPV) is a promising material, but shows poor processability, such as doping, due to its insolubility and infusibility. Therefore, the development of a standard and easy method of dye doping into PPV is important for device fabrication using PPV. We developed a simple method for the dispersal of dyes into PPV without deformation. Using this method, it was possible to change the color of PPV from yellow to green by doping with the blue dye 1,4-(N,N’-diethylamino)anthraquinone (SV59). The amount of SV59 doped into PPV was ∼2.7 wt%. The fluorescence color of PPV could be changed from green to red by 2 min dispersal of 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran.


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