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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 윤진환
- 발행연도
- 2023
- 저작권
- 부산대학교 논문은 저작권에 의해 보호받습니다.
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To envision wearable displays and interactive soft robots, great research efforts have been focusing on developing highly deformable alternating current electroluminescent (ACEL) devices. While the soft emission layers have been well developed, designing a stretchable, conductive, and transparent soft electrode still remains challenging. In this study, we have prepared ionic hydrogels comprising a double network (DN) of poly(N-hydroxyethylacrylamide-co-acrylamide)/crosslinked chitosan swollen in aqueous lithium bis(trifluoromethanesulfonyl)imide. Owing to the finely tuned DN structure of polymeric crosslinker and transparent electrolyte, the developed ionic hydrogels exhibited remarkable stretchability (1400 %) and excellent optical transmittance (>99 %) as well as high conductivity (1.95 × 10–2 S/m). Based on the high performance of the ionic hydrogels, ACEL devices were fabricated with the emission layer containing phosphor microparticles, being revealed stable operation of high luminance against extreme deformation and ultra-high elongation. Excellent transparency of the ionic hydrogel further enabled the fabrication of the novel soft ACEL devices of the tandem structure by stacking several emission and electrode layers, in which each emission layer was independently controlled with a switch circuit.
목차
1. Introduction 12. Experiment 42.1 Materials 42.2 Preparation of poly(N-hydroxyethyl acrylamide-co-acrylamide)/crosslinked chitosan (PHA/x-CS) ionic hydrogels 42.3 Fabrication of ACEL devices 62.4 Measurements 63. Results and Discussion 84. Conclusions 33References 34Abstract (Korean) 37Acknowledgements 39
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