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Identification and investigation of light soaking effect (LSE) as well as the associated physical mechanisms are crucial for achieving reliable power output and high stability of solar cells. Here, a profound LSE dependence on doping status of organic hole transport materials (HTMs) in perovskite solar cells is demonstrated. A tenfold efficiency enhancement is realized in the devices based on evaporated...
Metal halide perovskite materials have excellent photoelectric properties, including high absorption coefficient, long charge carrier diffusion length, and low exciton binding energy, making them excellent candidates for photoconversion devices. In the past decade, great progress has been made in improving the performance of perovskite‐based solar cells and photodetectors. However, perovskite devices...
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