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研究了氯掺合(Clincorporation)对非晶硅薄膜晶体管(a_Si∶H(∶Cl)TFT)性能的影响。在光照明下,a_Si∶H(∶Cl)TFT的断态漏电流比a_Si∶HTFT的小得多,这是因为a_Si∶H(∶Cl)的光电导率比常规a_Si∶H的小得多的缘故。在[SiH2Cl2]/[SiH4]=0.04与[SiH2Cl2]/[SiH4]=0.12之间沉积的a_Si∶H(∶Cl)薄膜呈现P型导电,导致更低的光电导。TFT利用按[SiH2Cl2]/[SiH4]=0.04而沉积的a_Si∶H(∶Cl),呈现出的场效应迁移率为41cm2/Vs,阈值电压为5.56V,但是在光照明下,断态漏电流比常规Si∶HTFT的要小两个数量级
The effect of Clincorporation on the performance of amorphous silicon thin film transistors (a_Si: H (: Cl) TFTs) was investigated. The off-state leakage current of the a_Si: H (: Cl) TFT is much smaller than a_Si: HTFT under light illumination because the photoconductivity of a_Si: H (: Cl) is much smaller than the conventional a_Si: H The reason. The a_Si: H (: Cl) film deposited between [SiH2Cl2] / [SiH4] = 0.04 and [SiH2Cl2] / [SiH4] = 0.12 exhibits P-type conductivity, resulting in lower photoconductivity. The TFT exhibited a field-effect mobility of 41 cm2 / Vs and a threshold voltage of 5.56 V using a-Si: H (: Cl) deposited as [SiH2Cl2] / [SiH4] = 0.04. However, under light illumination, The off-state leakage current is two orders of magnitude smaller than the conventional Si: HTFT