Study of modified photoluminescence of Graphene/1L-WS2/Graphene heterostructures
- Title
- Study of modified photoluminescence of Graphene/1L-WS2/Graphene heterostructures
- Author(s)
- Jaeyoung Baik
- DGIST Authors
- Cho, Chang-Hee ; Baik, Jaeyoung ; Jang, Jae Eun
- Advisor
- 조창희
- Co-Advisor(s)
- Jae-Eun Jang
- Issued Date
- 2019
- Awarded Date
- 2019-02
- Type
- Thesis
- Table Of Contents
-
Ⅰ. Introduction 1
1.1 Two-dimensional materials 1
1.1.1 Transition metal dichalcogenides 1
1.1.2 Graphene 4
1.3 Motivation 6
1.3.1 Recent reports for modified photoluminescence in TMDs 6
1.3.2 Graphene/1L-WS2/Graphene heterostructures 10
ⅠⅠ. Experimental method 11
2.1 Synthesis of monolayer WS2 11
2.1.1 Substrate preparation 11
2.1.2 WS2 growth 12
2.2 Transfer method 13
ⅠⅠⅠ. Results and discussion 15
3.1 Synthesis and characterization of WS2 monolayer 15
3.2 Fabrication of the Graphene/1L-WS2/Graphene heterostructures 18
3.3 Observation of charge carrier transfer of Graphene/1L-WS2/Graphene heterostructures 20
3.4 Investigation of photoluminescence of Graphene/1L-WS2/Graphene heterostructures 22
ⅠV. Conclusions 28
- URI
-
http://dgist.dcollection.net/common/orgView/200000171459
http://hdl.handle.net/20.500.11750/10709
- Degree
- MASTER
- Department
- Emerging Materials Science
- Publisher
- DGIST
- Related Researcher
-
-
Cho, Chang-Hee
- Research Interests Semiconductor; Nanophotonics; Light-Matter Interaction
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- Files in This Item:
-
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- Appears in Collections:
- Department of Physics and Chemistry Theses Master
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