Heyong Wang

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Surfactant-induced hole concentration enhancement for highly efficient perovskite light-emitting diodes - Nature Materials

1 month ago | nature.com | Jiajun Qin |Xianjie Liu |Heyong Wang |Utkarsh Singh |Haoliang Wang |Yiqiang Zhan | +4 more

AbstractIt is widely acknowledged that constructing small injection barriers for balanced electron and hole injections is essential for light-emitting diodes (LEDs). However, in highly efficient LEDs based on metal halide perovskites, a seemingly large hole injection barrier is usually observed.

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