Optoelectronic Devices: Ultrahigh Mobility in an Organic Semiconductor by Vertical Chain Alignment (Adv. Mater. 12/2016)

Vertical chain backbone alignment in a semiconducting polythiophene film is illustrated by D. R. Barbero and co-workers on page 2359. The chain alignment enables fast charge transport and ultrahigh mobility, reaching a record high average mobility of 3.1 cm² V⁻¹ s⁻¹ in the vertical direction, showing that mobilities comparable to those of inorganic materials can be obtained over relatively large distances in polymers through control of the polymer chain orientation.

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