Journal Article Research Support, Non-U.S. Gov't organic field-effect transistors self-assembly solution processing 1,2-Dipalmitoylphosphatidylcholine 2644-64-6 9016-75-5 Dendrimers Hall effect Polymers ammonia band transport charge carrier transport diketopyrrolopyrrole dip-coating donor-acceptor polymer interfaces microstructures organic field-effect transistor organic transistors polymer aggregation polymer semiconductors polyphenylene sulfide sensors surface organization transistors ultrathin microstripes