Graphene-Based Frequency Tripler

Hong-Yan Chen, Purdue University
Joerg Appenzeller, Birck Nanotechnology Center, Purdue University

Date of this Version



Nano Lett., 2012, 12 (4), pp 2067–2070


Graphene has captured the imagination of researchers worldwide as an ideal two-dimensional material with exceptional electrical transport properties. The high electron and hole mobility quickly inspired scientists to search for electronic applications that require high-performance channel materials. However, the absence of a bandgap in graphene immediately revealed itself in terms of ambipolar device characteristics and the nonexistence of a device off-state. The question is: How can the superior electronic properties of graphene be harvested while dealing appropriately with its unique characteristics rather than enforcing conventional device concepts? Here, we report a novel device idea, a graphene-based frequency tripler, an application that employs an innovative electrostatic doping approach and exploits the unique ambipolar behavior of graphene.


Nanoscience and Nanotechnology