Physics – Condensed Matter – Materials Science
Scientific paper
2008-09-09
Advanced Materials 19, 3623-3627 (2007)
Physics
Condensed Matter
Materials Science
10 pages, 3 figures
Scientific paper
10.1002/adma.200701059
we have fabricated transparent electronic devices based on graphene materials with thickness down to one single atomic layer by the transfer printing method. The resulting printed graphene devices retain high field effect mobility and have low contact resistance. The results show that the transfer printing method is capable of high-quality transfer of graphene materials from silicon dioxide substrates, and the method thus will have wide applications in manipulating and delivering graphene materials to desired substrate and device geometries. Since the method is purely additive, it exposes graphene (or other functional materials) to no chemical preparation or lithographic steps, providing greater experimental control over device environment for reproducibility and for studies of fundamental transport mechanisms. Finally, the transport properties of the graphene devices on the PET substrate demonstrate the non-universality of minimum conductivity and the incompleteness of the current transport theory.
Chen Jian-Hao
Fuhrer Michael. S.
Hines Daniel R.
Ishigami Masa
Jang Chaun
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