有机薄膜晶体管（简称OTFT）又称塑料晶体管，与MOS晶体管的最大不同在于OTFT采用有机半导体材料取代MOS中的无机半导体材料。传统的无机晶体管是金属氧化物半导体（MOS）式的场效应管，其半导体材料一般为无机硅。
This is why the single crystal pentacene based OTFT has higher field effect mobility than the polycrystalline device.
这也就解释了单晶otft器件具有比多晶器件更高的场效应迁移率的原因。
The channel resistance and the source-drain contact resistance of OTFT were investigated, and the results indicated that the latter is the main factor to affect the electric performances of OTFTs.
研究了有机薄膜场效应晶体管的源漏接触电阻和沟道电阻对器件性能的影响，结果表明接触电阻是影响器件性能的主要因素。
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