Influence of Particle Beam Irradiation on the Structure and Properties of Graphene
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Beschreibung
This thesis focuses on the nanomanufacturing of graphene—a newly discovered, two-dimensional material with extraordinary properties—in order to realize its numerous potential applications. Combining experimental implementation with theoretical modelling, it investigates three classes of graphene nanostructure fabrication using particle beam irradiation: (i) doping of graphene using low energy nitrogen irradiation; (ii) joining of graphene sheets with laser and C, N, and Ar ion beam irradiation; and (iii) fabrication of graphene nanopores by means of focused ion beam and electron beam irradiation. The feasibility of the nanomanufacture of graphene using particle beam irradiation is demonstrated by various experimental methods, and the mechanisms involved under different types of beam irradiation are revealed using theoretical calculations. Further, the book analyzes the mechanical and electrical properties of the fabricated graphene nanostructures by means of atomic simulations to predict the application potentials of the proposed methods. The findings help promote the implementation of graphene-structure applications in industry.
Nominated by Tsinghua University as an outstanding Ph.D. thesis
Explores the doping mechanism of graphene using low-energy nitrogen irradiation and the properties of the doped graphene
Develops a method to join graphene sheets by particle beam irradiation, addressing the mechanism and influencing factorsInvestigates the fabrication of graphene nanopores using focused ion beam and electron beam irradiation, as well as the mechanisms and the nanopore properties
Nominated by Tsinghua University as an outstanding Ph.D. thesis Explores the doping mechanism of graphene using low-energy nitrogen irradiation and the properties of the doped graphene Develops a method to join graphene sheets by particle beam irradiation, addressing the mechanism and influencing factors Investigates the fabrication of graphene nanopores using focused ion beam and electron beam irradiation, as well as the mechanisms and the nanopore properties Includes supplementary material: sn.pub/extras
Autor*in
Xin Wu
Themen in »Influence of Particle Beam Irradiation on the Structure and Properties of Graphene«
Particle beam irradiation Graphene Doping Joining Nanopore Mechanical properties Electric transport properties Molecular dynamics First principle calculation