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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 김세현
- 발행연도
- 2020
- 저작권
- 영남대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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The slot-die coating method has enormous potential owing to the industrial applicability of its
high throughput capability to the large-area fabrication of solution-processed films. Herein, we
demonstrated a slot-die-coated sol-gel-based organic?inorganic (O?I) nanohybrid dielectric
film for organic thin film transistors (OTFTs) with highly uniform properties, such as thickness,
morphology, and electrical insulating characteristics. Through the modification of the solution
properties and coating speed conditions, the slot-die coating process was used to successfully
fabricate defect-free dielectric films with uniform morphology, ranging from below 50 to 800
nm. Additionally, from the OTFT behavior, we identified the clockwise hysteresis by the
insulator bulk for the deposition of thick O?I nanohybrid dielectrics. Based on these analyses,
we can produce flexible large-area OTFT arrays with optimum slot-die-coated dielectric layers,
showing an average field-effect mobility of 0.675 cm2 V?1 s?1 with a low standard deviation of
0.052017 cm2 V?1 s?1. These results suggest that this printing technology has considerable
potential in the manufacturing of flexible organic electronic devices that require industrial
reliability and large-area processing.
high throughput capability to the large-area fabrication of solution-processed films. Herein, we
demonstrated a slot-die-coated sol-gel-based organic?inorganic (O?I) nanohybrid dielectric
film for organic thin film transistors (OTFTs) with highly uniform properties, such as thickness,
morphology, and electrical insulating characteristics. Through the modification of the solution
properties and coating speed conditions, the slot-die coating process was used to successfully
fabricate defect-free dielectric films with uniform morphology, ranging from below 50 to 800
nm. Additionally, from the OTFT behavior, we identified the clockwise hysteresis by the
insulator bulk for the deposition of thick O?I nanohybrid dielectrics. Based on these analyses,
we can produce flexible large-area OTFT arrays with optimum slot-die-coated dielectric layers,
showing an average field-effect mobility of 0.675 cm2 V?1 s?1 with a low standard deviation of
0.052017 cm2 V?1 s?1. These results suggest that this printing technology has considerable
potential in the manufacturing of flexible organic electronic devices that require industrial
reliability and large-area processing.
목차
1. 1.Introduction 32. Experimental section 92.1 Material preparation 92.2 Sample preparation 92.3 Characterization 123. Results and discussio 133.1 Slot-die coating process 133.2 Dielectric characteristics and OSC morphology 233.3 OTFT characteristics 284. Conclusion 36References 37
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