Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 148, Issue 7, Pages G370-G374Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.1373661
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We have developed a 150 degreesC technology for amorphous silicon thin-film transistors (a-Si:H TFTs) on polyimide substrates deposited by plasma enhanced chemical vapor deposition. The silicon nitride gate dielectric and the a-Si:H channel material were tailored to provide the least leakage current and midgap defect density, respectively. In addition, we conducted experiments on the TFT structure and fabrication with the aim of obtaining high electron mobility. TFTs with hack-channel etch and channel-passivated structures were fabricated on glass or 51 mum thick polyimide foil. The a-Si:H TFTs have an on/off current ratio of similar to 10(7) and an electron mobility of similar to0.7 cm(2)/V s. (C) 2001 The Electrochemical Society.
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