Covalently interconnecting phosphonic acid self-assembled monolayer with triphenylamine upper layer enhances perovskite thermal stability

https://techxplore.com/news/2025-01-bilayer-thermal-stability-perovskite-solar.html#google_vignette

"overcomes hole-selective self-assembled monolayers not adhering well to cells' surface causing thermal instability... self-assembled bilayer film adheres better... resists thermal degradation up to 100 °C for 200 h, 1.7X improvement in adhesion energy, >26% power conversion efficiencies for inverted PSCs, <4 and 3% efficiency loss after 2,000 h damp heat exposure (85 °C/ 85% relative humidity) and >1,200 thermal cycles between −40  and 85 °C, respectively, meeting IEC temperature stability standards"

Related: New bifacial linker enhances adhesion in flexible solar cells
https://techxplore.com/news/2025-02-bifacial-linker-adhesion-flexible-solar.html