LBC-2 Laser Current Measurement System
This equipment can perform measurement of photoelectric current distribution of various solar cells and the photoelectric converting elements such as SiPD, CCD and CMOS. For measurement method, Laser Beam Induced Current has been employed.
As standard, 532nm of the green laser is provided with the system with moving the sample in the X-Y direction ande then short circuit current (Isc) is measured. The system has achieved 10µm spacial resolution and is capable to measure the sample up to 50×50mm.
Especially, for the perovskite solar cells and etc., which are manufactured in spin coating method, there is problem of diffrence of uniformity between the center and the edge on the sample surface.
This system is ideal to evaluate such samples. And this system can be also used to evaluate uniformity of coating materials for SiPD, CCD and CMOS.
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| Catalog（PDF） |  |
Features
- An ideal system to evalluate the in-plane distribution of the perovskite solar cells
- Optional lasers are available, which allow the system to perform measurement at different wavelength within the range of 375～900nm
- Specify the area from the obtained data and both surfave nonuniformity [ (max.value - min.value) / (max.value + min.value) ×100％] and average value [ Total effective data / number of effective data ] can be obtained.
Measurement example
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Measurement data of Perovskite proevided by Professor Miyasaka of Toin University of Yokohama in Japan
Irradiation Image
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Software
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Specifications
| Laser wavelength | 520nm (±10nm) |
| Output | 1mW |
| Irrdiation area | approx. 10µm |
| Stability | ±5%/h |
| Class | Class 2 in the international standard |
| XY stage | ±25mm, 0.01mm minimum step |
| Current measurement | 10fA～20mA |
Standard configuration
●Laser Light source ( wavelength 520nm )
●XY Stage
●Electrometer
●Sample chamber( with a manual shutter )
●Note PC
●Dedicated software for LBC-2
Options
●Laser（375/406/445/473/488/635/650/670/785/808/830/850/904/980nm)
●Observation camara and monitor
●Automatic shutter mechanism
●Si Photo diode
Dimensions
●Main unit：Approx.W750×D570×H650mm
＊excluding the electrometer, stage controller and the PC
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