SYSTEM SERIES: LumiSolar Cell
SYSTEM SERIES: LumiSolar Cell
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LumiSolarCell PL
Overview of LumiSolarCell PL
The characterisation methods of the LumiSolarCell PL using photoluminescence (PL) include several advanced techniques. PL imaging is utilized to visualize the luminescent properties of the solar cells, while biased PL provides additional insights under various electrical conditions.
Additionally, the mapping of minority carrier lifetime is performed to assess the efficiency and quality of the solar cells by measuring how long charge carriers can exist before recombining. These methods collectively offer a thorough evaluation of the solar cells’ performance and material properties.
Inspection Capabilities
- Micro-cracks identification
- Paste properties
- Local lifetime
- Dead cells
- Broken cells
- Inhomogeneities and impurities
System Advantages
- Non-contacting characterization through PL measurement
- Unique, award-winning HighPower LED light source
- Outstanding image quality
- No limiting safety requirements in contrast to laser-based PL systems
- Industry proven all over the globe
- Cost over performance
- Scalable set-up
Tested on various solar cell types
- Monocrystalline silicon (mono-Si)
- Polycrystalline silicon (poly-Si)
- Amorphous silicon (a-Si)
- Copper indium sulfide (CIS)
- Copper indium gallium selenide (CIGS)
- Cadmium telluride (CdTe)
- Heterojunction with intrinsic thin layer (HIT)
Specifications
PL Light source
HighPower LED array | Adjustable intensity, max. 1500W/m² (>1 Sun) | Homogeneity >90%
Functionalities
PL, biased PL
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greateyes GmbH
Ludwig-Boltzmann-Straße 3
12489 Berlin
