PUKYONG

Simultaneously Enhanced Optical, Electrical, and Mechanical Properties of Highly Stretchable Transparent Silver Nanowires Electrodes using Organic Surface Modifier

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Abstract
We report on a new surface modifier which simultaneously improves electrical, optical, and mechanical properties of silver nanowire-based stretchable transparent electrodes. The transparent electrodes treated with 11-aminoundecanoic acid achieve a low sheet resistance of 26.0 Ω/sq and a high transmittance of 89.6 % with an excellent stretchability. These improvements are attributed to the effective formation of a strong chemical bond between silver nanowire networks and elastomeric substrates by 11-aminoundecanoic acid treatment. The resistance changes of the optimized silver nanowire/PEDOT: PSS thin-films is only about 10 % when stretched by 120 %. In addition, the chemical stability of stretchable silver nanowire films are significantly improved by the introduction of conductive poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS) overcoat film. The optimized electrodes are utilized as high performance stretchable transparent heaters, successfully illustrating its feasibility for future wearable electronics.
우리는 나노 와이어 기반의 신축성 있는 투명 전극의 전기, 광학 및 기계적 특성을 동시에 향상시키는 새로운 표면 개선제에 대해 보고한다. 11-aminoundecanoic acid로 처리 된 투명 전극은 26.0 Ω/ sq의 낮은 시트 저항과 89.6 %의 높은 투과율을 달성한다. 이러한 향상은 11-aminoundecanoic acid 처리에 의한 은 나노 와이어 네트워크와 엘라스토머 기질 사이의 강한 화학적 결합의 효과적인 형성에 기인한다. 또한 (poly (3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS)의 수많은 코팅 도입으로 신축성 있는 은 나노 와이어 필름의 화학적 안정성과 신축성이 크게 향상되었다. 최적화된 은 나노 와이어 / PEDOT : PSS 박막은 120% 늘어뜨렸을 때 약 10%의 저항 변화가 있었다. 최적화된 전극은 고성능 신축성 투명 히터로 활용되어, 미래 웨어러블 장치에 대한 가능성을 성공적으로 보여준다.
Author(s)
SITI AISYAH NURMAULIA ENTIFAR
Issued Date
2018
Awarded Date
2018. 8
Type
Dissertation
Publisher
부경대학교
URI
https://repository.pknu.ac.kr:8443/handle/2021.oak/14572
http://pknu.dcollection.net/common/orgView/200000108672
Affiliation
부경대학교 대학원
Department
대학원 융합디스플레이공학과
Advisor
Kim Yong Hyun
Table Of Contents
Table of Contents iii
Acknowledge i
Table of Contents iii
List of Figures v
List of Abbreviation v
Abstract x
요약 (Korean Abstract) xi
Chapter 1 INTRODUCTION 1
Chapter 2 THEORETICAL BASIS 5
2.1. Optoelectronic Devices 5
2.2. Background of Flexible and Stretchable Electronics 6
2.3. Transparent Electrode 8
2.3.1. Indium Tin Oxide (ITO) 10
2.3.2. Carbon Nanotubes (CNTs) 12
2.3.3. Graphene 15
2.3.4. Conductive Polymer; PEDOT: PSS 29
2.3.5. Silver Nanowires (AgNWs) 18
2.3.5.1. AgNWs electrode challenge 21
Chapter 3 EXPERIMENTAL DETAILS 23
3.1. Experimental Section 23
3.2. Measurement 25
Chapter 4 RESULT AND DISCUSSION 26
4.1. Surface Modifier for Transparent Electrode 26
4.2. Optical and Electrical Properties of Transparent Electrode 27
4.3. Mechanical Stability of the Electrode 31
4.4. Chemical and Air Exposure Stability of the Electrode 49
4.5. Performance of Transparent Electrode in Transparent Heater 37
4.6. Performance of Transparent Electrode in ACEL Device 42
Chapter 5 CONCLUSION 44
Chapter 6 REFERENCES 57
Degree
Master
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대학원 > 융합디스플레이공학과
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