Affordable Material Boosts Efficiency of Blue LEDs

Researchers from the United States and China have developed a groundbreaking hybrid material that combines copper iodide with an organic compound, enabling the production of high-power LEDs that emit ultrabright deep-blue light more cheaply than current technologies. This new material achieves impressive luminescence at around 449 nm with near-perfect efficiency and remarkable stability, addressing significant challenges in creating efficient deep-blue emitters compared to their green and red counterparts. By engineering the interfaces in LED structures with ultrathin organic layers, the team boosted light emission efficiency to 12.6%, significantly improving performance over previous copper iodide devices. Moreover, the devices demonstrated exceptional longevity, maintaining over half their initial emission intensity for over 200 hours. This innovation has the potential to revolutionize the market for bright, sustainable LED lighting.

Affordable Material Boosts Efficiency of Blue LEDs

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