Inkjet printing narrow electrodes with <50 μm line width and channel length for organic thin-film transistors

被引:56
作者
Doggart, Jason [2 ]
Wu, Yiliang [1 ]
Zhu, Shiping [2 ]
机构
[1] Xerox Res Ctr Canada Ltd, Mississauga, ON L5K 2L1, Canada
[2] McMaster Univ, Dept Chem Engn, Hamilton, ON L8S 4L8, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
conducting polymers; organic semiconductors; thin film transistors; CONDUCTIVE TRACKS; SESSILE DROPLET; NANOPARTICLES; CONTACTS;
D O I
10.1063/1.3115830
中图分类号
O59 [应用物理学];
学科分类号
摘要
We demonstrate a strategy for inkjet printing high resolution silver electrodes from silver precursor composition for organic thin-film transistors. Line width, channel length, and film uniformity of printed electrodes were investigated as functions of dot-to-dot spacing, solvent composition, and ink viscosity. Both line width and film uniformity were greatly improved by simultaneously optimizing dot-to-dot spacing and solvent composition. Line width and channel length were also significantly decreased by increasing ink viscosity. Source and drain electrodes with both width and channel length of less than 50 mu m and near-perfect film uniformity were printed and integrated with poly(3,3(')-didodecylquarter-thiophene) semiconductor as high-performance transistors.
引用
收藏
页数:3
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