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Facile method for rGO field effect transistor: selective adsorption of rGO on SAM-treated gold electrode by
Jieun Yang1, Jung-Woo Kim, Hyeon Suk Shin
1Interdisciplinary School of Green Energy, Low Dimensional Carbon Materials Center and KIER-UNIST Advanced Center for Energy, Ulsan National Institute of Science & Technology (UNIST), UNIST-gil 50, Ulsan, Republic of Korea.
Abstract:
A facile method for the fabrication of negatively and positively charged rGO field effect transistors (FETs) is proposed, which utilizes electrostatic attraction between electrodes and rGO sheets. Negatively and positively charged rGO sheets are functionalized with carboxylic acid and amine groups, respectively. The FET of amine-functionalized rGO exhibits an n-doping effect. The FET devices fabricated by this method show high mobility of carriers.

