Structural reordering of carbon-based nanomaterials via laser induced confined thermal treatment and its electrochemical properties
- 주제(키워드) Carbon-based nanomaterials , Laser , thermal treatment , Structure reordering
- 주제(DDC) 621.042
- 발행기관 아주대학교 일반대학원
- 지도교수 Jae-Hyun Lee
- 발행년도 2025
- 학위수여년월 2025. 2
- 학위명 박사
- 학과 및 전공 일반대학원 에너지시스템학과
- 실제URI http://www.dcollection.net/handler/ajou/000000034770
- 본문언어 영어
- 저작권 아주대학교 논문은 저작권에 의해 보호받습니다.
목차
Chapter 1. Introduction 1
1.1 General introduction 1
1.1.1 Brief overview of carbon-based nanomaterials 1
1.1.2 Carbon-based inorganic compounds for nanomaterial 6
1.1.3 Synthesis methods for carbon-based nanomaterial 9
1.2 Brief overview of laser processing technologies 12
1.2.1 Fundamental principle 12
1.2.2 Laser-materials interaction 17
1.2.3 Laser processing in materials science 21
1.3 Research objective and approaches 23
Chapter 2. Literature Survey 24
2.1 Laser processing in carbon-based nanomaterials 24
2.1.1 General introduction 24
2.1.2 Laser-induced carbon nanomaterials 26
2.1.3 Laser-induced transition metal carbide 29
2.2 Laser processing for structure reordering 31
2.2.1 General introduction 31
2.2.2 Morphology control of nanomaterials via laser processing 32
2.2.3 Defect and phase reordering of nanomaterials via laser processing 35
Chapter 3. Laser-Induced Grain Boundary Engineering of Mo2C 38
3.1 Introduction 39
3.2 Experimental 42
3.3 Results and discussion 45
3.3.1 Laser-based confined thermal treatment for high density grain boundary of Mo2C 45
3.3.2 Local atomic structure and strain field evaluation in Mo2C 53
3.3.3 Spectroscopy analysis of GB-rich Mo2C 56
3.3.4 Computational analysis of GB-rich Mo2C 60
3.3.5 Electrochemical performance of GB-rich Mo2C 65
3.4 Conclusions 71
Chapter 4. Laser-Induced Graphene with Bamboo-like CNT 72
4.1 Introduction 73
4.2 Experimental 76
4.3 Results and discussion 81
4.3.1 Compacted electrode with LIG and BCNT 81
4.3.2 Characterization of BCNT:LIG/Cu 85
4.3.3 Electrochemical evaluation of compacted electrode. 93
4.3.4 Performance evaluation of quasi-solid-state supercapacitor 98
4.4 Conclusions 102
Chapter 5. Low-Level Laser Treatment of sol-gel based ZnO 103
5.1 Introduction 104
5.2 Experimetnal 106
5.3 Results and discussion 108
5.3.1 Low-level laser treatment (LLLT) of sol-gel based ZnO 108
5.3.2 Characterization of ZnO 114
5.3.3 Optoelectronic characteristics of solar cell using ZnO as ELT 122
5. 4 Conclusion 126
Chapter 6. General Conclusion 127
References 129
List of Publications 142
국문요약 147
