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Controlled growth of large-area high-performance small-molecule organic single-crystalline transistors by slot-die
Jingjing Chang1, Chunyan Chi, Jie Zhang
1Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore.
Abstract:
A slot-die coating technique is used for the crystal alignment of triisopropylsilylethynyl (TIPS)-pentacene in solution-processed field-effect transistors (FETs). The film thickness, uniformity, and crystal growth behavior are well controlled by tuning the coating parameters and by using a mixed solvent system (toluene/anisole). An average saturation regime FET mobility of 1.8 cm(2) V(-1) s(-1) is achieved under ambient conditions.
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