Title

Inorganic Material–Based Stretchable and Breathable Schottky Diodes for Wearable High-Frequency Electronics

Alternative Title

웨어러블 고주파 전자기기를 위한 무기 소재 기반 신축성과 통기성을 가진 쇼트키 다이오드

DGIST Authors

Sieun Hwang ; Sungwon Lee

Advisor

이성원

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

Nanomesh-based device, E-skin device, Wearable device, Schottky diodes, High frequency rectifier

Table Of Contents

Ⅰ. Introduction 1
1.1 Introduction of nanomesh based wearable electronics 1
1.1.1 Development of wearable devices 1
1.1.2 Required mechanical properties for wearable skin devices 2
1.1.3 Nanomesh-based wearable devices, A unified solution to E-Skin 4
1.2 Introduction of wireless technologies for wearable electronics 6
1.2.1 Enabling Wireless Wearables, Challenging Power 6
1.2.2 NFC and RFID: Coupled Data Transfer and Power Delivery 7
1.3 The role of Schottky diodes as rectifiers for wearable electronics 8
1.3.1 The role of Schottky Diode in wearable electronics 8
1.3.2 Characteristics of Schottky Diode 8
1.3.3 High-Frequency Operation of Schottky Diodes 11
1.3.4 Recent Advances and Limitations in HF Stretchable Schottky Diodes 12

Ⅱ. Experimental Procedure 13
2.1 Fabrication method 13
2.1.1 Fabrication of stretchable polymer nanomesh and bottom electrode 14
2.1.2 Fabrication of double-shell semiconductor (CuO/Cu2O) stack 15
2.1.3 Anodization synthesis of CuO arrays 15
2.1.4 Heat lamination of cathode/semiconductor/anode stack 16
2.2 Characterization and Measurements 16

Ⅲ. Result & Discussion 17
3.1 Microstructure and Crystal Structure of Schottky diode 17
3.1.1 Surface morphology 17
3.1.2 Crystal Structure 18
3.1.3 Anodization-Induced Phase evolution 19
3.2 Device-Level Performance 22
3.2.1 J-V Rectification 22
3.2.2 Stretchability 23
3.2.3 Environmental and Operational Stability 25
3.2.4 Breathability 27
3.2.5 High-Frequency Response 29

ⅠV. Conclusion 31

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59748
http://dgist.dcollection.net/common/orgView/200000946389

DOI

10.22677/THESIS.200000946389

Degree

Master

Department

Department of Physics and Chemistry

Publisher

DGIST

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