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5 December 2006 Tuning hole transport in a highly dispersed blend of chemically similar polyfluorene copolymers
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Abstract
Here we report results of time-of-flight (ToF) measurements on blends of different ratios of poly(9,9-dioctylfluorene-cobis- N,N'-(4-methoxylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamine) (PFMO) and the structurally similar poly(9,9- dioctylfluorene-co-N-(4-methoxyphenyl)diphenylamine) (TFMO). It is shown that the hole mobility can be tuned over three orders of magnitude with a mobility minimum at 10% PFMO and 90% TFMO. We also use Raman microscopy to demonstrate that the blends do not phase separate within the one micron resolution of our experiment.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. James Harding, Robert C. Maher, Lesley F. Cohen, and Alasdair J. Campbell "Tuning hole transport in a highly dispersed blend of chemically similar polyfluorene copolymers", Proc. SPIE 6333, Organic Light Emitting Materials and Devices X, 633314 (5 December 2006); https://doi.org/10.1117/12.681024
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