Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Simultaneous Patterning and Passivation of P3HT-OTFTs with Photosensitive Poly Vinyl-alcohol(PVA) Layer

감광성 PVA 박막을 이용한 P3HT 유기박막트랜지스터의 패턴 형성과 패시베이션

  • Published : 2008.05.01
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Abstract

We first demonstrated simultaneous patterning and passivation of P3HT active layer with photosensitive PVA. The passivation layers were obtained by annealing the organic layers after developing PVA and subsequent over-etching the P3HT layer. The fabricated OTFTs were electrically characterized. The OTFTs exhibited the mobility of ${\sim}5.9{\times}10^{-4}\;cm^2/V{\cdot}s$ and on/off current ratio of ${\sim}10^4$. After passivation, the results showed the extended lifetime of ${\sim}250$ hours with photosensitive PVA layer.

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References

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