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Intro; Supervisor's Foreword; Abstract; Parts of this thesis have been published in the following journal articles:; List of Publications; Acknowledgements; Contents; Abbreviations; List of Figures; List of Tables; 1 Synthesis of Two-Dimensional Hexagonal Boron Nitride; 1.1 Introduction; 1.2 Motivation; 1.3 Objectives and Scope; 1.4 Major Contributions of This Thesis; 1.5 Organization of This Thesis; References; 2 Literature Review; 2.1 Structure, Properties and Applications of h-BN; 2.2 Fabrication of Atomically Thin h-BN Nanosheets; 2.2.1 Mechanical Exfoliation
2.2.2 Liquid Phase Exfoliation2.2.3 Chemical Vapor Deposition; 2.3 Characterization of CVD-Grown h-BN Films; 2.3.1 Scanning Electron Microscopy; 2.3.2 Atomic Force Microscopy; 2.3.3 Transmission Electron Microscopy; 2.3.4 Raman Spectroscopy; 2.3.5 X-ray Photoelectron Spectroscopy; 2.3.6 Ultraviolet-visible Spectroscopy; 2.3.7 Four-Point Probe; 2.4 Methods; 2.4.1 Transfer Process; 2.4.1.1 Wet Transfer; 2.4.1.2 Electrochemical Delamination; 2.4.2 Device Fabrication; 2.4.3 Characterization; References; 3 Controllable Growth of Hexagonal Boron Nitride Films on Cu Foils; 3.1 Introduction
3.2 Experimental Section3.2.1 APCVD Growth of h-BN Films; 3.3 Results and Discussion; 3.3.1 Substrate Position; 3.3.2 Growth Temperature; 3.3.3 Growth Time; 3.3.4 Precursor Conditions; 3.3.5 Characterization of Large-Area h-BN Thin Films; 3.3.6 Triangular Shaped h-BN Domains; 3.4 Summary; References; 4 Growth of Nanocrystalline Boron Nitride Films on Dielectric Substrates; 4.1 Introduction; 4.2 Experimental Section; 4.2.1 CVD Growth of NCBN Films; 4.3 Results and Discussion; 4.4 Summary; References; 5 Growth of Large Single Crystalline Monolayer Boron Nitride Hexagons; 5.1 Introduction
5.2 Experimental Section5.2.1 Electropolishing of Cu Foils; 5.2.2 APCVD Growth of h-BN Single Crystals; 5.3 Results; 5.3.1 Growth of Hexagonal Shaped h-BN Domains; 5.4 Discussion; 5.5 Summary; References; 6 Growth of Oriented Single Crystalline Hexagonal Boron Nitride Monolayers; 6.1 Introduction; 6.2 Experimental Section; 6.2.1 APCVD Growth of h-BN on Re-solidified Cu; 6.3 Results; 6.3.1 Growth of Oriented h-BN Domains; 6.3.2 Structural Characterization; 6.3.3 Characterization of Aligned h-BN Films; 6.4 Discussion; 6.5 Summary; References
7 A New Single-Source Precursor for Monolayer h-BN and h-BCN Thin Films7.1 Introduction; 7.2 Experimental Section; 7.2.1 APCVD Growth of h-BN and h-BCN Films; 7.3 Results and Discussion; 7.3.1 Growth of Monolayer h-BN Single Crystals; 7.3.2 Growth of Few-Layer h-BCN Films; 7.4 Summary; References; 8 Conclusions and Recommendations for Future Work; 8.1 Conclusions; 8.2 Recommendations for Future Work; 8.2.1 Terminating Edges of Hexagonal Shaped h-BN Domains; 8.2.2 Defect Lines; 8.2.3 Adlayer Islands; References
2.2.2 Liquid Phase Exfoliation2.2.3 Chemical Vapor Deposition; 2.3 Characterization of CVD-Grown h-BN Films; 2.3.1 Scanning Electron Microscopy; 2.3.2 Atomic Force Microscopy; 2.3.3 Transmission Electron Microscopy; 2.3.4 Raman Spectroscopy; 2.3.5 X-ray Photoelectron Spectroscopy; 2.3.6 Ultraviolet-visible Spectroscopy; 2.3.7 Four-Point Probe; 2.4 Methods; 2.4.1 Transfer Process; 2.4.1.1 Wet Transfer; 2.4.1.2 Electrochemical Delamination; 2.4.2 Device Fabrication; 2.4.3 Characterization; References; 3 Controllable Growth of Hexagonal Boron Nitride Films on Cu Foils; 3.1 Introduction
3.2 Experimental Section3.2.1 APCVD Growth of h-BN Films; 3.3 Results and Discussion; 3.3.1 Substrate Position; 3.3.2 Growth Temperature; 3.3.3 Growth Time; 3.3.4 Precursor Conditions; 3.3.5 Characterization of Large-Area h-BN Thin Films; 3.3.6 Triangular Shaped h-BN Domains; 3.4 Summary; References; 4 Growth of Nanocrystalline Boron Nitride Films on Dielectric Substrates; 4.1 Introduction; 4.2 Experimental Section; 4.2.1 CVD Growth of NCBN Films; 4.3 Results and Discussion; 4.4 Summary; References; 5 Growth of Large Single Crystalline Monolayer Boron Nitride Hexagons; 5.1 Introduction
5.2 Experimental Section5.2.1 Electropolishing of Cu Foils; 5.2.2 APCVD Growth of h-BN Single Crystals; 5.3 Results; 5.3.1 Growth of Hexagonal Shaped h-BN Domains; 5.4 Discussion; 5.5 Summary; References; 6 Growth of Oriented Single Crystalline Hexagonal Boron Nitride Monolayers; 6.1 Introduction; 6.2 Experimental Section; 6.2.1 APCVD Growth of h-BN on Re-solidified Cu; 6.3 Results; 6.3.1 Growth of Oriented h-BN Domains; 6.3.2 Structural Characterization; 6.3.3 Characterization of Aligned h-BN Films; 6.4 Discussion; 6.5 Summary; References
7 A New Single-Source Precursor for Monolayer h-BN and h-BCN Thin Films7.1 Introduction; 7.2 Experimental Section; 7.2.1 APCVD Growth of h-BN and h-BCN Films; 7.3 Results and Discussion; 7.3.1 Growth of Monolayer h-BN Single Crystals; 7.3.2 Growth of Few-Layer h-BCN Films; 7.4 Summary; References; 8 Conclusions and Recommendations for Future Work; 8.1 Conclusions; 8.2 Recommendations for Future Work; 8.2.1 Terminating Edges of Hexagonal Shaped h-BN Domains; 8.2.2 Defect Lines; 8.2.3 Adlayer Islands; References