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Mica, a potential two-dimensional-crystal gate insulator for organic field-effect transistors.

Advanced materials (Deerfield Beach, Fla.) (2011-11-08)
Yudong He, Huanli Dong, Qing Meng, Lang Jiang, Wei Shao, Liangfu He, Wenping Hu
ABSTRACT

2D mica crystals (with thickness < 100 nm) obtained by mechanical exfoliation are incorporated for the first time into the design of organic thin film field-effect transistor arrays and organic single crystal transistors as a gate insulator. The size of mica crystals could be up to the dimensions of an A4 piece of paper. All devices so fabricated exhibited high mobility and low operating voltage, indicating the high quality of the crystals and the great potential of mica crystals as a flexible, low-cost, transparent insulator for organic electronics.

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