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Controlling electric dipoles in nanodielectrics and its applications for enabling air-stable n-channel organic transistors
Authors:Chung Yoonyoung  Verploegen Eric  Vailionis Arturas  Sun Yun  Nishi Yoshio  Murmann Boris  Bao Zhenan
Affiliation:Department of Electrical Engineering and ?Department of Chemical Engineering, Stanford University , Stanford, California 94305, United States.
Abstract:We present a new method to manipulate the channel charge density of field-effect transistors using dipole-generating self-assembled monolayers (SAMs) with different anchor groups. Our approach maintains an ideal interface between the dipole layers and the semiconductor while changing the built-in electric potential by 0.41-0.50 V. This potential difference can be used to change effectively the electrical properties of nanoelectronic devices. We further demonstrate the application of the SAM dipoles to enable air-stable operation of n-channel organic transistors.
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