研究目的
The aim is to postpone P1 to the point where the coating of the individual OPV layers is fully completed, allowing the core of the OPV to be manufactured without being dependent on a specific layout.
研究成果
The late-stage customization approach allows for the fabrication of OPV modules with design flexibility and efficiency comparable to the standard approach, with the added benefits of simplified production planning and reduced lead times. The use of a dielectric layer effectively prevents electrical shorting, enabling the successful implementation of post-patterning.
研究不足
The additional heat from curing the dielectric layer impacts the performance of the OPV modules, indicating a need for optimization in the curing process or materials.
1：Experimental Design and Method Selection:
The study focuses on the late-stage customization approach for OPV modules, comparing it with the standard pre-patterning approach. The methodology involves laser structuring (P1, P2, P3) and screen printing for the Interconnect layer.
2：Sample Selection and Data Sources:
Commercial polyethylene terephthalate (PET) film with TCO pre-coating is used. The functional layers are deposited using a table top blade coater and scaled up to a roll-to-roll process with slot-die coating.
3：List of Experimental Equipment and Materials:
Pulsed laser for structuring, screen printing for DE and Interconnect deposition, slot-die coater for layer deposition.
4：Experimental Procedures and Operational Workflow:
The process involves coating the functional layers, laser structuring (P1*, P2, P3), printing a dielectric layer (DE) over P1*, and finally printing the Interconnect layer.
5：Data Analysis Methods:
Electrical characterization under illumination using a calibrated solar simulator to measure performance parameters such as efficiency, fill factor, short-circuit current, and voltage.
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