There is a continuing need for {TAIL ~ photosensitive organic semiconductor compositions} that may be used to produce {HEAD ~ various optoelectronic devices} including photodiodes, photodetectors, and photovoltaic devices  
There is a continuing need for { TAIL ~ photosensitive organic semiconductor compositions } that may be used to produce { HEAD ~ various optoelectronic devices } including photodiodes , photodetectors , and photovoltaic devices
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