Supported by National Natural Science Foundation of China(U1601651);973 National Key Basic Research and Development Program of China(2015CB655004);National Key R&D Program of China(2016YFB0401504,2016YFF0203603), Guangdong Natural Science Foundation(2016A030313459);Science and Technology Project of Guangdong Province (2014B090915004,2015B090914003,2016A040403037,2016B090907001,2016B090906002);Fundamental Research Funds for The Central Universities (2015ZP024,2015ZZ063);Project for Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (2016)
NING Hong-long, ZHU Zhen-nan, TAO Rui-qiang etc. Regulation Rules of Piezoelectric Waveform on Ink-jet Printing Electrode[J]. Chinese Journal of Luminescence, 2017,38(5): 617-622
NING Hong-long, ZHU Zhen-nan, TAO Rui-qiang etc. Regulation Rules of Piezoelectric Waveform on Ink-jet Printing Electrode[J]. Chinese Journal of Luminescence, 2017,38(5): 617-622 DOI: 10.3788/fgxb20173805.0617.
Regulation Rules of Piezoelectric Waveform on Ink-jet Printing Electrode
Piezoelectric printing is one of the main processes of printed electronics. In this process
piezoelectric waveform has a direct impact on the spray regime of ink droplets
which will play an important role in the devices printing. In this text
effect of piezoelectric waveform on printing thin film transistor(TFT) electrode was studied. By changing slew rate and duration
the piezoelectric waveform parameters
a series of printing samples were obtained
and their patterning quality and surface roughness were measured. With the increasing of the slew rate and duration
the kinetic energy of the ink droplet increases
the patterning quality improves first and then deteriorates
and the surface roughness of final printing pattern gets higher. TFT electrodes with fine pattern are fabricated when the slew rate is from 0.08 V/s to 1.65 V/s
and the duration is from 1.216 s to 2.688 s. Fine-patterned TFT electrodes with surface roughness of 59.04 nm and 59.27 nm are fabricated when the slew rate and duration are 0.25 V/s
2.688 s and 0.65 V/s
1.600 s
respectively. By adjusting the parameters of piezoelectric waveform
the optimization of printing quality can be achieved.
关键词
Keywords
references
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