Controlled Doping in Thin-Film Transistors of Large Contorted Aromatic Compounds


  • This work was supported through the Center for Re-Defining Photovoltaic Efficiency Through Molecular-Scale Control, an Energy Frontier Research Center (EFRC) funded by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences under award number DE-SC0001085. This material is also based upon work supported by the Center on Functional Engineered Nano Architectonics (FENA) under award number 2009-NT-2048, subaward UCLA 0160 S MB 959 and by the Camille and Henry Dreyfus Foundation’s Postdoctoral Program in Environmental Chemistry under award number DRFSCHU CU11-2626. C.N. would like to thank Ying Wu for supplying material for Figure S2.


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Bigger and better: The new thin-film organic material octabenzcircumbiphenyl (OBCB; see scheme) forms an active layer in a field effect transistor, which can be switched simultaneously with two different inputs, that is, electrical bias and protonation.