Single crystalline microribbons of perylo[1,12-b,c,d]selenophene for high performance transistors

Lin Tan; Wei Jiang; Lang Jiang; Shidong Jiang; Zhaohui Wang; Shouke Yan; Wenping Hu
April 2009
Applied Physics Letters;4/13/2009, Vol. 94 Issue 15, p153306
Academic Journal
Micrometer sized single crystalline ribbons of a Se-heterocyclic annelated perylene were prepared by drop casting and physical vapor transport techniques. The crystals of the Se-heterocyclic annelated perylene showed near planar molecular conformation, which regularly stacked along b-axis with Se...Se contacts at 3.49 Å. Single crystal transistors of individual ribbon were fabricated by “gold layer glue” technique. Over 90% transistors exhibited mobility >1.6 cm2 V-1 s-1, the highest mobility approaching 2.66 cm2 V-1 s-1. The top performance indicated the bright prospect of this material in organic electronics.


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