● All key components utilize original imported equipment, including Nd: YAG laser, preamplifier, photomultiplier tube, energy meter, etc;
● Intuitively reflects the dynamic information such as the separation direction, separation efficiency, and charge lifetime of photogenerated charges;
● An effective means to study the behavior of photogenerated charges on a nanosecond scale, with advantages such as non-contact and non-destructive testing;
● Long-term in-depth collaboration with Professor Dejun Wang from Jilin University, offering technical services including instrument usage, spectrum analysis, and data interpretation.
▲ Particularly Suitable ● Moderately Suitable ○ Applicable
▲ Study the dynamic information of photogenerated charge separation;
● Drift during photogenerated charge separation process;
● Diffusion during photogenerated charge separation process;
▲ Study the information of photogenerated charge separation and recombination process;
● Speed of separation;
● Separation direction;
● Separation mode;
| Nd:YAG Laser | |||||
|---|---|---|---|---|---|
| Pulse Width | 6 ~ 8 ns | Laser Spot Size | 4.5 mm | Output Frequency | ≤20 Hz |
| Output Energy | 330 mJ@1064 nm, 160 mJ@532 nm, 60 mJ@355 nm | ||||
| Preamplifier | |||||
| Input Impedance | >100 MΩ | Output Impedance | 50 Ω | Frequency | 1 GHz |
| Digital Oscilloscope | |||||
| Bandwidth | 500 MHz | Channels | 4 | Rise Time | 1 ns |
| Energy Meter | |||||
| Range | 10 μJ ~ 150 mJ | ||||
