Edge isolation of transparent conductive polymer (TCP) thin films on flexible substrates using UV laser ablation

Wen Tse Hsiao, Shih Feng Tseng, Kuo Cheng Huang, Donyau Chiang, Ming Fei Chen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The purpose of this study was to directly use the writing techniques for the complex electrode edge isolation of transparent conductive polymer (TCP) thin films by a nanosecond pulsed UV laser processing system. The processing parameters including the laser pulse energy, the pulse repetition frequency, and the scan speed of galvanometers were examined to ablate the TCP films deposited on polyethylene terephtalate substrates of 188μm thick. The thickness of TCP films was approximately 20 nm. The laser pulse repetition frequency and the scan speed of galvanometers were applied to calculate the overlapping rate of laser spots and to discuss the patterning region quality. Surface morphology, edge quality, and width and depth of edge isolated patterning structures after laser ablation process were measured by a three-dimensional confocal laser scanning microscope. In addition, the electrical conductivity of ablated TCP films was measured by a four-point probes instrument. After isolated line patterning was formed, the ablated TCP films with a better edge quality were obtained directly when the overlapping rate of laser spots, the scan speed, and the pulse repetition rate were 83.3%, 200 mm/s, and 40 kHz, respectively. The better surface morphology of electrode pattern structures was also obtained when the scan speed and the pulse repetition rate were 500 mm/s and 40 kHz, respectively.

Original languageEnglish
Pages (from-to)4905-4910
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Volume12
Issue number6
DOIs
Publication statusPublished - 2012 Jul 23

Fingerprint

Laser Therapy
Laser ablation
ultraviolet lasers
Polymer films
Conductive films
laser ablation
isolation
Polymers
Lasers
Thin films
Galvanometers
polymers
Substrates
thin films
galvanometers
Laser pulses
Pulse repetition rate
pulse repetition rate
lasers
Surface morphology

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Hsiao, Wen Tse ; Tseng, Shih Feng ; Huang, Kuo Cheng ; Chiang, Donyau ; Chen, Ming Fei. / Edge isolation of transparent conductive polymer (TCP) thin films on flexible substrates using UV laser ablation. In: Journal of Nanoscience and Nanotechnology. 2012 ; Vol. 12, No. 6. pp. 4905-4910.
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Edge isolation of transparent conductive polymer (TCP) thin films on flexible substrates using UV laser ablation. / Hsiao, Wen Tse; Tseng, Shih Feng; Huang, Kuo Cheng; Chiang, Donyau; Chen, Ming Fei.

In: Journal of Nanoscience and Nanotechnology, Vol. 12, No. 6, 23.07.2012, p. 4905-4910.

Research output: Contribution to journalArticle

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