Title page for etd-0907114-182853


[Back to Results | New Search]

URN etd-0907114-182853
Author Yang-Chin Cheng
Author's Email Address No Public.
Statistics This thesis had been viewed 5343 times. Download 1266 times.
Department Electro-Optical Engineering
Year 2014
Semester 1
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Study of Surface-Enhanced Raman Spectrum(SERS) of Graphene Edges on Metal Gratings
Date of Defense 2014-10-03
Page Count 76
Keyword
  • graphene
  • SERS
  • surface plasmon
  • Raman spectrum
  • Abstract Raman spectroscopy has become one of the most important tools for characterizing and studying defect in graphene, due to its rapid, non-destructive and sensitive technique. Through the D-band and two edge-phonon modes (1450cm-1 & 1530cm-1) of graphene Raman bands can understand the degree of defect or disorder of graphene films. In this thesis, we prepared the nano-metal gratings by E-beam lithography and lift-off process, then using chemical vapor deposition growth of graphene layers and transfer to the metal gratings. Use the grating as medium of surface plasmon coupling to produce SERS effect. By observing the change of D-band、G-band and two sub-peaks intensity during different periods of gratings of Raman spectrum of graphene, explore the relationship between the size of the grating period and the Raman peak intensity and position between peaks. In the meanwhile to compare the surface plasmon mode while gold and nickel grating structure, and also the differences of graphene Raman signals between grating structure and flat film to prove the existence of SERS effect. Besides, we also discussed certain factors which may affect intensity, such as laser excitation wavelength and polarization, and so on. Finally, we discussed graphene edge-phonon mode as the application of graphene defect detection.
    Advisory Committee
  • Min-Hsiung Shih - chair
  • Jau-Sheng Wang - co-chair
  • Ya-Ping Hsieh - co-chair
  • Yu-Ju Hung - advisor
  • Files
  • etd-0907114-182853.pdf
  • Indicate in-campus at 0 year and off-campus access at 2 year.
    Date of Submission 2014-10-14

    [Back to Results | New Search]


    Browse | Search All Available ETDs

    If you have more questions or technical problems, please contact eThesys