Please use this identifier to cite or link to this item:
Title: High mobility, printable, and solution-processed graphene electronics
Authors: Wang, S. 
Ang, P.K. 
Wang, Z.
Tang, A.L.L.
Thong, J.T.L.
Loh, K.P. 
Keywords: Doping
High mobility transistor
Impurity scattering
Ionic screening
Printable electronics
Issue Date: 13-Jan-2010
Citation: Wang, S., Ang, P.K., Wang, Z., Tang, A.L.L., Thong, J.T.L., Loh, K.P. (2010-01-13). High mobility, printable, and solution-processed graphene electronics. Nano Letters 10 (1) : 92-98. ScholarBank@NUS Repository.
Abstract: The ability to print graphene sheets onto large scale, flexible substrates holds promise for large scale, transparent electronics on flexible substrates. Solution processable graphene sheets derived from graphite can form stable dispersions in solutions and are amenable to bulk scale processing and ink jet printing. However, the electrical conductivity and carrier mobilities of this material are usually reported to be orders of magnitude poorer than that of the mechanically cleaved counterpart due to its higher density of defects, which restricts its use in electronics. Here, we show that by optimizing several key factors in processing, we are able to fabricate high mobility graphene films derived from large sized graphene oxide sheets, which paves the way for all-carbon post-CMOS electronics. All-carbon source-drain channel electronics fabricated from such films exhibit significantly improved transport characteristics, with carrier mobilities of 365 cm2/(V · s) for hole and 281 cm2/(V · s) for electron, measured in air at room temperature. In particular, intrinsic mobility as high as 5000 cm 2/(V · s) can be obtained from such solution-processed graphene films when ionic screening is applied to nullify the Coulombic scattering by charged impurities. © 2010 American Chemical Society.
Source Title: Nano Letters
ISSN: 15306984
DOI: 10.1021/nl9028736
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.


checked on Nov 30, 2021


checked on Nov 23, 2021

Page view(s)

checked on Dec 2, 2021

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.