研究目的
To develop flexible perovskite solar cells (PSCs) on roll-to-roll coated ultra-thin glass substrates for highly efficient indoor energy harvesting.
研究成果
Flexible perovskite solar cells on ultra-thin glass substrates demonstrated outstanding performance under indoor LED illumination, with efficiencies surpassing 20% and 22% at 200 and 400 lx, respectively. These results represent a significant advancement in flexible indoor photovoltaic technology.
研究不足
The study notes that degradation rates were more rapid when the cells were measured under low light levels compared to under 1 sun, indicating a need for improved stability under indoor lighting conditions.
1：Experimental Design and Method Selection
The study optimized ITO coatings on ultra-thin flexible glass via a roll-to-roll sputtering procedure and developed flexible PSCs with two different architectures on the ultra-thin glass transparent electrodes.
2：Sample Selection and Data Sources
The samples included flexible glass substrates coated with ITO, and perovskite solar cells fabricated on these substrates.
3：List of Experimental Equipment and Materials
Equipment included a roll-to-roll coating machine, UV-vis spectrophotometer, four-point probe, SEM, AFM, solar simulator, spectroradiometer, and luxmeter. Materials included ITO, SnO2, TiO2, CH3NH3PbI3, Spiro-OMeTAD, and Au.
4：Experimental Procedures and Operational Workflow
The process involved deposition of ITO on flexible glass, fabrication of PSCs with planar and mesoscopic architectures, characterization of optical and electrical properties, and performance testing under indoor and standard test conditions.
5：Data Analysis Methods
Data analysis included measuring J-V characteristics, EQE, PL, OCVD, and stability tests under various lighting conditions.
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