π‐Conjugated Polymers for Extended Delocalization and High Charge Carrier Mobility
Quinoidal conjugated polymers incorporating a novel quinoid building block are synthesized via short four steps. The highly planar and well‐delocalized quinoidal structure induces strong π–π interaction between polymer chains. High hole mobilities of 8.09 and 4.82 cm2 V−1 s−1 are achieved for poly(quinoidal thiophene–bithiophene) and poly(quinoidal thiophene–thiophene), respectively, when applied in organic field‐effect transistors prepared by off‐center spin‐coating.
This is reported by Yunseul Kim, Hansu Hwang, Nam-Koo Kim, Kyoungtae Hwang, Jong-Jin Park, Ga-In Shin, and Dong-Yu Kim in their article: https://doi.org/10.1002/adma.201706557.
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