Key Highlights
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Researchers have developed a new type of self-assembled monolayer (SAM) for solar cells, using a molecule with a special “conjugation-extension” structure, which boosts the cell’s power conversion efficiency to a certified 26.47%. This breakthrough is significant because it not only sets a new high bar for perovskite solar cell performance but also improves the device’s long-term stability, retaining over 92.5% of its initial power after 1000 hours of operation.
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A novel “reversed layer-by-layer” strategy for building organic solar cells creates an ideal active layer structure by first depositing a polymer scaffold and then filling it with small molecules, achieving an efficiency of over 19%. This approach is a major step forward as it overcomes a key bottleneck for inverted organic solar cells, leading to both high efficiency and exceptional stability while being applicable to a wide range of materials.
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Scientists have created a new gas monitoring protocol for geothermal power plants, using the ratio of nitrogen to argon (N₂/Ar) in gas samples as a key indicator to track the temperature and chemical conditions of the underground reservoir. This tool is important because it allows plant operators to optimize heat extraction and improve long-term maintenance strategies, ultimately extending the lifespan and sustainability of geothermal energy production.
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