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The authors have fabricated bottom gate amorphous silicon thin film transistor (a-Si TFT) array using five-step lithography process.The device shows a field effect mobility of 0.43 cm 2 /(V·s),on/off ratio of 7.5×10 6 and threshold voltage of 0.87 V.The instability of a-Si TFT is ascribed to the defect state in the a-Si channel and SiNx/a-Si interface.The present a-Si TFT array with SiN x insulator could be a significant step towards the commercialization of active matrix organic lighting diode (AM-OLED) te... 相似文献
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许文静 《第二课堂(小学)》2011,(Z2):42-49
如今,液晶电视、液晶电脑等与液晶有关的产品,已经悄然来到我们身边,融入了我们的学习和生活。对年轻人来说,拥有一款很酷的液晶手写屏手机,无疑是件时尚 相似文献
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1 Introduction Organic semiconductors are receiving considerableattention due to their remarkable advantages especiallyvarious manufacturing methods ,lowcost and plentifulmaterials .Ebisawa ,et al.[1]fabricated the first poly-mer-based transistor in 1983 . Since then,lots of re-search works have been done in the filed of organicmaterial-based transistors .It was reported that organicthin-fil m transistor ( OTFT) fabricated by usingorganic semiconductor material copper-phthalocyanine(CuPc)[2… 相似文献
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Amorphous InGaZnO (a-IGZO) film is deposited on the glass substrate by radio-frequency sputtering and the influence of annealing
on wet etch of a-IGZO films were investigated. The results show that etch rate of IGZO films decrease with the increase of
annealing temperature. Etching taper angle is less than 60° and critical dimension (CD) loss is less than 1 μm in over-etching
time of 30 s. The fact implies that IGZO films etching with oxalic acid may be a good wet etching way for the thin-film transistor
(TFT) array process. 相似文献
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通过在底栅顶接触的喷墨打印有机薄膜晶体管的SiO2表面采用原子层沉积方式制备薄层的Al2O3修饰层,并与未修饰前进行比较,发现有源层在ALD-Al2O3修饰后的SiO2表面接触角大大变小,且喷墨打印的有源层线条变粗。而随着ALD-Al2O3修饰层厚度的增加,SiO2表面粗糙度变大。通过测试其电学性能,发现ALD- Al2O3修饰层厚度为1 nm时,OTFT的性能最好,与未修饰前相比,其迁移率提高了近8倍,而开关比提高约4个数量级。 相似文献
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《北京教育(高教版)》2014,(3)
正清华大学对雾霾天DNA测序检测出1,300种微生物:近日,清华大学研究组采用最新方法,对北京雾霾天的大气微生物组分进行DNA测序,鉴定出1,300多种微生物。其中绝大部分为非致病性的,但也含有极少量可能致病或致敏的微生物。(光明网)复旦大学科研团队发现有机薄膜晶体管稳定性机理:近日,复旦大学科研团队宣布,已成功揭示有机薄膜晶体管(OTFT)性能稳定性机制,为其在柔性电子领域的大规 相似文献
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正你听说过AMOLED显示屏吗?这种屏幕可用于智能手机、智能相机以及高清电视中。相比传统的液晶面板,AMOLED具有反应速度快、亮度高、视角宽以及厚度薄等特点,被认为是最具竞争力的下一代平板显示屏。如果说高科技电子产品构成了一个庞大的产业王国,那么,AMOLED显示屏无疑是这个王国中的宝座。在中国,这一前沿技术在近几年有了很大的突破: 相似文献