Journal
CARBON
Volume 93, Issue -, Pages 286-294Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.05.038
Keywords
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Funding
- Global Frontier Program through Global Frontier Hybrid Interface Materials (GFHIM) of the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning (MSIP) [2013M3A6B1078873]
- Pioneer Research Center Program through the NRF - MSIP [2012-0009462]
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The importance of proper graphene transfer process cannot be emphasized more because it is so closely related to the performance and stability of graphene devices. In this work, a new transfer method utilizing a voluntary bonding of a graphene film to a target substrate in vacuum is demonstrated. The problems originated from water and air molecules which prevent a robust bonding and degrade the electrical characteristics could be drastically alleviated. As a result, graphene field-effect transistors showed nearly symmetric I-d-V-g characteristics with a minimal hysteresis and drastically improved device stability in air for more than a month could be obtained. (C) 2015 Elsevier Ltd. All rights reserved.
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