Fig. 1From: Potential and perspectives of halide perovskites in light emitting devicesa Schematic of simple device stacks in n-i-p and p-i-n configuration (b, c) Charge carrier recombination mechanism in perovskite (b) Band diagram showing trap-assisted non-radiative recombination and radiative recombination pathways and (c) the ideal case with radiative recombination onlyBack to article page