Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 169, Issue -, Pages 182-187Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.04.063
Keywords
Carbon nanotube; Sensor; Floating electrode; Schottky barrier; DNA
Funding
- Conversing Research Center [2011K000683]
- National Research Foundation of Korea (NRF) [2011-0000390]
- Samsung electronics
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We report a successful development of a floating electrode-based DNA sensor with controllable responses. Here, metallic floating electrodes were fabricated to form Schottky barriers between carbon nanotubes and the floating electrodes. We showed that the sensor response could be enhanced by increasing the number of floating electrodes. We also analyzed the response of the sensors based on the Langmuir isotherm theory. (C) 2012 Elsevier B.V. All rights reserved.
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