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Electrostatic trapping of interlayer exciton arrays in WS2/WSe2 heterostructures using patterned graphite electrodes

목차

I. Introduction 1
II. Literature review 3
1. Research background 4
1.1 Transition Metal Dichalcogenides (TMDs) 4
1.2 Interlayer Excitons (IXs) 9
1.3 Photoluminescence (PL) 12
2. Moiré array 16
3. Exciton array in 2D transistors 20
III. Experimental Method 24
1. Numerical simulation 25
2. Sample fabrication 26
3. Optical measurements 28
IV. Results & Discussion 30
1. Simulation 30
2. Sample fabrication 34
3. PL measurements. 38
3.1 Room Temperature PL spectra 38
3.2 Low-Temperature PL spectra at 4 K 41
V. Conclusion 44
VI. References 46

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