Performance-limiting nanoscale trap clusters at grain junctions in halide perovskites

Nature, Published online: 15 April 2020; doi:10.1038/s41586-020-2184-1

Photoemission electron microscopy images of trap states in halide peroskites, spatially correlated with their structural and compositional factors, may help in managing power losses in optoelectronic applications.
Source: Nature

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