Solar energy paper index
Flexible Perovskite Light-Emitting Diodes Based on Polybenzimidazole Substrates
One-line summary
A solar energy research paper on Flexible Perovskite Light-Emitting Diodes Based on Polybenzimidazole Substrates.
Engineering notes
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Flexible perovskite light-emitting diodes (PeLEDs) are promising for wearable and foldable displays, but their performances are often limited by substrate-related issues like high roughness and poor thermal stability. This work reports a highly efficient, mechanically robust red PeLED utilizing polybenzimidazole (PBI) as the flexible substrate. Compared with the traditional PET substrates, the PBI has lower surface roughness and better wettability for the functional layer. Aa a result, the PeLED based on the PBI substrate achieves a maximum external quantum efficiency (EQE) of 15.7% and a maximum luminance of 3680 cd m-2, demonstrating excellent mechanical stability. This study proves that PBI, as a high-performance flexible substrate, holds immense potential for realizing high-efficiency and mechanically stable PeLEDs.
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