Our not so latest :) work describes how to use CORRECTION FACTOR to calculate the carrier mobility correctly in photo-CELIV in case there is NO TRAPPING. I repeat, when there is no trapping!!! If there is trapping, all this approach fails, and remember, there is always trapping in organic semiconductors (more or less of it). Such is a nature or disordered semiconducting films.
So, what to do? Use either Flash Photovoltage or MIS-CELIV - our recently developed new techniques to solve problems of photo-CELIV. FPV and MIS-CELIV are superior to photo-CELIV. But don't get me wrong about the weakness of CELIV, because dark-CELIV is still a killer technique I use every day to check the level of doping, film thickness or dielectric constant.
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