Real-Space Imaging of Surface Carrier Transport in 2D Perovskites
1 Articles
1 Articles
Real-Space Imaging of Surface Carrier Transport in 2D Perovskites
Understanding photogenerated carrier transport in 2D perovskites, especially surface states, is challenging with conventional time-resolved techniques. Scientists at KAUST utilized scanning ultrafast electron microscopy (SUEM) with groundbreaking surface sensitivity to disclose carrier diffusion rates of ~30 cm²/s for n=1, 180 cm²/s for n=2, and 470 cm²/s for n=3, which are notably higher than bulk. This highlights the SUEM’s potential for advanc
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