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Performances of $C_{60}$ based n-type Organic Thin Film Transistor with A Doped Interlayer Using Bathophenanthroline  

Kim, Jeong-Su (School of Electrical Engineering, Pusan National University)
Son, Hee-Geon (School of Electrical Engineering, Pusan National University)
Yi, Moon-Suk (School of Electrical Engineering, Pusan National University)
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Abstract
In this paper, $C_{60}$ based Organic thin film transistor OTFTs) have been fabricated using BPhen(Bathophenanthroline) and BPhen doped with Cs interlayers between $C_{60}$ active layer and Al electrodes to improve the electrical performance. The addition of the BPhen layer resulted in enhanced performances by reducing surface roughness between organic-metal interface. And the contact resistance was reduced by using the BPhen doped with Cs interlayer with co-evaporation method. These performances suggests that the $C_{60}$ based OTFT with BPhen doped with Cs interlayer is a promising application in the fabrication of n-type organic transistors.
Keywords
Bphen; $C_{60}$ based Organic thin film transistors; n-type OTFT; cross-linked PVP;
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