Title

Cu Nanowires Covered with Graphene and Hexagonal Boron Nitride for Flexible Transparent Conducting Electrodes

DGIST Authors

Minkyoung Kim ; Youngu Lee ; Dae-Hyun Nam

Advisor

이윤구

Co-Advisor(s)

Dae-Hyun Nam

Issued Date

2022

Awarded Date

2022/02

Citation

Minkyoung Kim. (2022). Cu Nanowires Covered with Graphene and Hexagonal Boron Nitride for Flexible Transparent Conducting Electrodes. doi: 10.22677/thesis.200000593673

Type

Thesis

Subject

"Cu nanowire, Core/shell nanowire, solution-phase synthesis, intense pulsed light, solid-state supercapacitor, flexible heater"

Description

"Cu nanowire, Core/shell nanowire, solution-phase synthesis, intense pulsed light, solid-state supercapacitor, flexible heater"

Table Of Contents

Ⅰ. Introduction 1
1.1 Core/shell nanowire 1
1.1.1 Metal material covered Cu nanowire 1
1.1.2 Graphene quantum dots wrapped Cu nanowires 2
1.1.3 Hexagonal boron nitride wrapped Cu nanowires 3
1.2 Flexible transparent conducting electrode 4
1.3 Flexible and transparent heater 4
1.4 Solid-state supercapacitor 5
Ⅱ. Theoretical background 8
2.1 Cu nanowire 8
2.1.1 Growth mechanism of Cu nanowires 8
2.1.2 Synthesis methods for Cu nanowires 11
2.1.3 Purification of Cu nanowires 13
2.2 Synthesis methods for Core/shell NW 15
2.2.1 Chemical vapor deposition (CVD) 15
2.2.2 Electrochemical deposition 16
2.2.3 Solution-phase synthesis 18
2.3 Coating methods for TCE 20
2.3.1 Spray coating 20
2.3.2 Spin coating 21
2.3.3 Bar coating 21
2.3.4 Blade coating 22
2.3.5 Reverse off-set printing 23
2.3.6 Vacuum filtration & transfer technique 24
2.4 Wearable and flexible heat patch 25
2.5 Solid-state supercapacitor 26
2.5.1 Principle of solid-state supercapacitor 27
2.5.2 Gel-electrolyte of solid-state supercapacitor 28
Ⅲ. Experimental 30
3.1 Chemicals and materials 30
3.2 Synthesis of Copper nanowires 30
3.3 Exfoliation of hBN for the shell of core/shell nanostructure 31
3.4 Synthesis of 2D materials-wrapped Cu nanowires 31
3.5 Fabrication of flexible transparent conducting electrode 31
3.6 Fabrication of flexible heat patch 32
3.7 Synthesis of gel electrolyte 32
3.8 Fabrication of flexible solid-state supercapacitor 32
3.9 Characterization 33
Ⅳ. Result and discussion 34
4.1 2D materials wrapped Cu nanowires 34
4.1.1 Core/Shell structured nanowires synthesis 34
4.1.2 IPL process for fabrication of the core/shell NW TCE 37
4.1.3 Chemical properties of core/shell structured nanowires 40
4.2 Electrical and mechanical properties of the TCE 48
4.3 Application 55
4.3.1 Flexible heat patch 55
4.3.2 Flexible solid-state supercapacitor 58
Ⅴ. Conclusion 62
References 63
Summary 69

URI

http://dgist.dcollection.net/common/orgView/200000593673
http://hdl.handle.net/20.500.11750/16265

DOI

10.22677/thesis.200000593673

Degree

Master

Department

Energy Science & Engineering

Publisher

DGIST

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