并五苯
薄膜晶体管
材料科学
电介质
图层(电子)
光电子学
有机半导体
阈值电压
有机场效应晶体管
薄膜
栅极电介质
晶体管
粒度
有机电子学
复合材料
纳米技术
电压
场效应晶体管
电气工程
工程类
作者
Tsung Hui Huang,Yan‐Kuin Su,Po-Cheng Wang
摘要
The properties of pentacene-based organic thin film transistors (OTFTs) with polymethylmetha-crylate (PMMA) as a dielectric layer have been investigated. The concentration of PMMA was about 8wt% with toluene as solvent. The pentacene film on PMMA dielectric layer displays high thin film quality according to results of x-ray diffraction scan and atomic force microscopy. The crystalline size was about 33.96nm and the grain size was about 1000–1500nm. The pentacene-based OTFTs with PMMA as a dielectric layer exhibited excellent electric characteristics, including a high mobility of 0.241cm2∕Vs or larger, an on/off current ratio of 104 or larger, and the threshold voltage of less than −6.3V.
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