Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 16(8), p. 7659-7670, 2020
DOI: 10.1039/d0ta00523a
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A distinct terrace edge current has been detected for the first time in a quasi-2D perovskiteviacharge gradient microscopic (CGM) measurements, which is due to the structural asymmetry at the edge in these materials.