Volume 8 Issue 3
A Graphene-Coated Mo Tip Array for Highly-Efficient Nanostructured Electron Field Emitters
Ningli Zhu, Jing Chen, Hai Deng and Yunsong Di
1Aisino Corporation Inc., Beijing 100195, China
2Institute of Microelectronics, Peking University, Beijing 100871, China
3Department of Engineering, University of Cambridge, Cambridge CB3 0FA, UK
4College of Computer Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
5Department of Electrical Engineering, Florida International University, Miami, FL 33174, USA
6School of Physics Science and Technology, Nanjing Normal University, Nanjing 210046 China
*Author to whom correspondence should be addressed.
Abstract
An efficient electron field emitter based on a monolayer graphene coated well aligned Mo tip array has been designed, fabricated, and evaluated. The advantages of this hybrid nanostructure film morphology are explored and discussed. Efficient and stable field emissions with low turn-on fields have been observed with the new devices. It is further found that the combination of graphene and Mo tip array leads to significant improvements in efficiency for the nanoscale heterostructure emitters.
Keywords:graphene; molybdenum; tip array; field emission