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Mai Ha Hoang, Youngmee Kim, Minsik Kim, Kyung Hwan Kim, Tae Wan Lee, Duc Nghia Nguyen, Sung-Jin Kim, Kwangyeol Lee, Suk Joong Lee and Dong Hoon Choi Unusually High-Performing Organic Field-Effect Transistors Based on π-Extended Semiconducting Porphyrins Advanced Materials 24

Version of Record online: 1 AUG 2012 | DOI: 10.1002/adma.201202148

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Highly conjugated porphyrin derivatives, H2TP and ZnTP, are synthesized. J-aggregations of the H-aggregated dimeric porphyrin pairs are clearly observed by their single crystal structures that facilitate slip-stacked charge transport phenomenon. In particular, their SC-FETs show the highest field-effect mobilities of 0.85–2.90 cm2 V−1s−1. Furthermore, the ZnTP-based OPT displays a dramatic photoinduced current enhancement with a high photoresponsivity of 22 000 A W−1 under a very low light intensity (5.6 m W cm−2).

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