Heterogeneous Charge Carrier Dynamics in Organic–Inorganic Hybrid Materials: Nanoscale Lateral and Depth-Dependent Variation of Recombination Rates in Methylammonium Lead Halide Perovskite Thin Films

We reveal substantial luminescence yield heterogeneity among individual subdiffraction grains of high-performing methylammonium lead halide perovskite films by using high-resolution cathodoluminescence microscopy. Using considerably lower accelerating voltages than is conventional in scanning electr...

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Veröffentlicht in:	Nano Letters 2015-07, Vol.15 (7), p.4797-4805
Hauptverfasser:	Bischak, Connor G, Sanehira, Erin M, Precht, Jake T, Luther, Joseph M, Ginsberg, Naomi S
Format:	Artikel
Sprache:	eng
Schlagworte:	cathodoluminescence methylammonium-lead halide perovskite nano-imaging NANOSCIENCE AND NANOTECHNOLOGY non-radiative recombination photovoltaics SOLAR ENERGY surface defects
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