Title

Development of micro-patterning technology for polymer nanomesh and its applications

Alternative Title

나노메쉬 기판에 적용 가능한 고해상도 전극 제작 기술 및 응용

DGIST Authors

Jihoon Bae ; Sungwon Lee ; Kyung-In Jang

Advisor

이성원

Co-Advisor(s)

Kyung-In Jang

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

고분자 나노메쉬, 고해상도 전극 제작 기술, 통기성, 웨어러블 디바이스

Table Of Contents

Ⅰ. Importance of high-resolution electrode on wearable devices 1
1.1 Introduction 1
1.2 Multi-deformable, thin film-based piezoelectric energy nanogenerator 4
1.2.1 Materials and experimental procedures 4
1.2.2 Optimizing structure design of U-PENG 5
1.2.3 Electrical/Mechanical properties of U-PENG 10
1.2.4 Calculating energy conversion effciency 16
1.2.5 U-PENG-based demonstrations 23
1.3 Summary 27
Ⅱ. Methods for fabricating high-resolution electrode on breathable polymer nanomeshes 28
2.1 Introduction 28
2.2 Patterning method for PI nanomesh 31
2.2.1 Materials and experimental procedures 31
2.2.2 Improving photolithography process for PI nanomesh substrate 34
2.2.3 Analysis of double-sided photolithography via COMSOL simulation 37
2.2.4 Selective AgNW vacuum filtration 46
2.2.5 Electrical characteristics of MPNE 49
2.2.6 Mechanical characteristics of MPNE 54
2.3 Patterning method for TPU nanomesh 61
2.3.1 Materials and experimental procedures 61
2.3.2 Optimization for AgNW micropatterning via laser ablation 63
2.3.3 Electrical characteristics of SMNE 74
2.3.4 Mechanical characteristics of SMNE 77
2.4 Summary 81
Ⅲ. Improvements and applications of micro-patterned polymer nanoemesh electrode 84
3.1 Introduction 84
3.2 Breathable, stretchable encapsulation layer for insulating nanomesh electrode 89
3.2.1 The concept and conditions for encapsulation 89
3.2.2 Experimental procedure 90
3.2.3 Mechanism of PDMS bar coating and vacuum filtration 91
3.2.4 Characteristics of PDMS-coated SMNE 93
3.3 Devices based on high-resolution electrode polymer nanomesh 97
3.3.1 Wearable electrode fabricated on PI nanomesh 97
3.3.2 Temperature sensor fabricated on PI nanomesh 98
3.3.3 Antenna fabricated on PI nanomesh 100
3.3.4 Stretchable strain sensor fabricated on TPU nanomesh 102
3.3.5 Other devices 104
3.4 Summary 105

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59614
http://dgist.dcollection.net/common/orgView/200000945851

DOI

10.22677/THESIS.200000945851

Degree

Doctor

Department

Department of Physics and Chemistry

Publisher

DGIST

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