研究目的
To develop flexible perovskite solar cells (PSCs) using AgNW/ATO composite transparent electrodes to address issues of smooth surface morphology, space filling, and chemical stability.
研究成果
The AgNW/ATO composite transparent electrodes demonstrated excellent chemical stability, smooth surface morphology, and good electrical properties, making them suitable for flexible PSCs. The fabricated PSCs achieved a PCE of 5.07% and maintained performance after bending, indicating potential for roll-to-roll mass production of low-cost, flexible solar cells.
研究不足
The transmittance of AgNW/ATO composite electrodes is slightly lower than that of commercial ITO, potentially affecting the PSCs' performance. The study also notes the need for further improvement in transmittance by optimizing AgNW thickness and ATO nanoparticle size.
1：Experimental Design and Method Selection:
The study employed solution-deposition of conductive ATO nanoparticles onto pre-existing AgNW networks at low temperatures to create composite transparent electrodes.
2：Sample Selection and Data Sources:
AgNW suspension was sprayed onto PET substrates, followed by deposition of ATO nano-suspension.
3：List of Experimental Equipment and Materials:
Equipment includes a spray gun, compression roller, and spin-coater. Materials include AgNWs, ATO nanoparticles, PET substrates, ZnO nanoparticles, and CH3NH3PbI
4：Experimental Procedures and Operational Workflow:
AgNW networks were prepared via spray-coating and thermal rolling, followed by ATO nanoparticle deposition. PSCs were fabricated by layering ZnO, CH3NH3PbI3, and carbon electrodes on the composite electrodes.
5：Data Analysis Methods:
Performance was evaluated using UV–vis spectrophotometry, AFM for surface roughness, and J–V characteristics under simulated sunlight.
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