Mechanical layer compaction for dispersion processed nanoparticulate zinc oxide thin film transistors

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• 作者：S. Bubel ; ^{simon.bubel@engr.ucsb.edu} ; R. Schmechel
• 关键词：Zinc oxide ; Dispersion ; Polyvinylpyrrolidone ; Thin film transistor
• 刊名：Microelectronic Engineering
• 出版年：2012
• 期刊代码：91_01679317
• 类别：cp
• 出版时间：August, 2012
• 卷：96
• 期：Complete
• 页码：36-39
• 文件大小：546 K

摘要

Using rolling as a roll-to-roll compatible compaction process for solution processable electronics, we demonstrate improved layer morphology and field effect transistor performance of nanoparticulate zinc oxide (ZnO) thin films. Semiconducting ZnO layers have been processed from a polyvinylpyrrolidone (PVP) stabilized nanoparticulate dispersion at low temperatures. Maximum saturation mobilities of /V s, improvements in mobility of more than one order of magnitude and a reduction in threshold voltage by more than 30%are shown.