Table 2.
Active Material | Deposition Method | Contact/Pattern Material | Patterning Method | Emission Mechanism | Substrate | Emission Spectrum | Reference |
---|---|---|---|---|---|---|---|
Graphene sheet | Theoretical model | Electron-plasmons interaction | Dielectric | Soft and hard X-ray radiation | Liang et al. [116] | ||
Graphene | Theoretical model | Quantum Čerenkov effect | - | terahertz to near-infrared | Ido Kaminer et al. [55] | ||
Graphene | Mechanical exfoliation | Au physical vapor deposition | Wire-based shadow masking | Quantum Čerenkov effect | SiO2/Si | visible and near-infrared | A. Beltaos el al. [76] |