Band Tailing and Deep Defect States in CH3NH3Pb(I1–xBrx)3 Perovskites As Revealed by Sub-Bandgap Photocurrent
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DOI: 10.1021/acsenergylett.6b00727
Abstract: Organometal halide perovskite semiconductors have emerged as promising candidates for optoelectronic applications because of the outstanding charge carrier transport properties, achieved with low-temperature synthesis. Here, we present highly sensitive sub-bandgap external quantum efficiency (EQE) measurements… read more here.
Keywords: bandgap; tailing deep; sub bandgap; band tailing ... See more keywords