Development of stretchable alternating current electroluminescent devices based on ionic liquid embedded thermoplastic polyurethane electrodes
- Title
- Development of stretchable alternating current electroluminescent devices based on ionic liquid embedded thermoplastic polyurethane electrodes
- Alternative Title
- 이온성 액체를 함유한 열가소성 폴리우레탄을 전극으로 하는 교류구동 발광소자의 개발
- Author(s)
- Tae-Young Hwang
- DGIST Authors
- Tae-Young Hwang ; Jung-Il Hong ; Soon Moon Jeong
- Advisor
- 홍정일
- Co-Advisor(s)
- Soon Moon Jeong
- Issued Date
- 2023
- Awarded Date
- 2023-02-01
- Type
- Thesis
- Description
- 교류구동 발광소자, 고체전해질 전극, ion gel
- Table Of Contents
-
Ⅰ. Introduction 1
1.1 Electroluminescence device 1
1.1.1 Light emitting mechanism of Light emitting diode 1
1.1.2 Light emitting mechanism of Alternating current electroluminescence 4
2.1 Ionic thermoplastic polyurethane (i-TPU) 11
2.1.1 Thermoplastic polyurethane (TPU) 11
2.1.2 [EMIM]+ [TFSI]- ion liquid 14
3.1 i-TPU electrode measurement 16
3.1.1 X-ray diffraction (XRD) 16
3.1.2 Raman spectroscopy (RM) 17
3.1.3 Ultraviolet-Visible-Near infrared spectrometer 19
Ⅱ. Results & Discussion 22
4.1 i-TPU ion gel electrode 22
4.1.1 Fabrication of i-TPU 22
4.1.2 X-ray diffraction (XRD) 25
4.1.3 Raman spectroscopy (RM) 28
4.1.4 Ultraviolet-Visible-Near infrared spectroscopy 34
4.1.5 60 wt% i-TPU for ACEL electrodes 37
4.2 ACEL device with dual i-TPU electrodes 41
4.2.1 ACEL device structure 41
4.2.2 EL characteristics 43
4.2.3 Stretchable EL device 46
4.3 Comparison of various ACEL electrodes 48
Ⅲ. Conclusion 51
Ⅳ. Reference 52
- URI
-
http://hdl.handle.net/20.500.11750/45721
http://dgist.dcollection.net/common/orgView/200000657301
- Degree
- Master
- Department
- Department of Physics and Chemistry
- Publisher
- DGIST
- Related Researcher
-
-
Hong, Jung-Il
- Research Interests Electric and Magnetic Properties of Nanostructured Materials; Spintronics
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- Files in This Item:
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- Appears in Collections:
- Department of Physics and Chemistry Theses Master
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