Phototransistors are important electronic building units enabling to capture light and convert it to electrical signal. For future applications such as foldable electronic devices, organic phototransistors (OPTs) attract a lot of attentions due to their attractive properties including flexibility, low cost, light weight, ease of large-area processing and precise molecular engineering. So far the development of OPTs has still lagged behind that of inorganic or hybrid materials, mainly because the low mobility of most organic photoresponsive materials limits the efficiency of transporting and collecting charge carriers.
Researchers from the Physical Institute and Center for Nanotechnology (CeNTech) in Münster headed by Prof. Dr. Harald Fuchs, have now developed together with collogues from China a novel thin-film OPT arrays. Their approach is based on a small-molecule -- 2, 6-diphenylanthracene (DPA), which has a strong fluorescence anthracene...
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