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Comparison between Previous Position-Dependent Photodetectors and This Work
| Materials | Carriers Diffusion Length | Coupling Efficiency | On-Off Radio | Longest Photo-sensing Distance | Reference |
|---|---|---|---|---|---|
| Graphene/SiC | <3 μm | <100% | 2.5 | 500 μm | Sarker et al. (2017) |
| Reduced graphene oxide | <100 nm | 100% | 2.93 | Within the channel | Ghosh et al. (2010) |
| Perovskite single crystals | 7.3 μm | 100% | 9 | 950 μm | This work |
