Scientists Triple Perovskite Solar Cell Lifespan and Achieve 26.3% Efficiency with New Amidinium Coating

Northwestern researchers triple perovskite solar cell lifespan with revolutionary amidinium coating, achieving 26.3% power efficiency under harsh conditions.

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What makes this new protective coating 10 times more resistant to decomposition than traditional ammonium-based alternatives?

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Lead researcher Yi Yang explains how unstable ammonium compounds were converted into durable amidinium molecules for enhanced thermal resistance.

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While silicon solar cells reach efficiency limits at high production costs, perovskite emerges as an economical alternative despite previous stability issues.

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Can specially designed amidinium ligands with balanced electron distribution solve perovskite's durability challenges?

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Northwestern's solution maintains 90% efficiency after exposure to intense heat and light, marking a significant advance in solar cell longevity.

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Professor Edward Sargent acknowledges silicon's stability advantage while working to enhance perovskite performance through the Trienens Institute.

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Oxford PV's achievement of 28.6% efficiency with commercial-size perovskite tandem cells signals growing industry momentum.

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The Department of Energy and First Solar support Northwestern's Generate initiative to develop next-generation solar materials and high-efficiency cells.

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