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Abstract Organic-perovskite hybrid light-emitting devices combine the superior emissive properties of organic fluorophores with the high carrier mobility and structural versatility of halide perovskites. This review summarizes recent advances in hybrid architectures where perovskites function as transport layers, host matrices, or structurally integrated frameworks for organic emitters. Such designs enable low-voltage operation, scalable device thickness, and improved operational stability. Particular focus is placed on energy-transfer-based emission systems, where excitons are generated in the inorganic perovskite framework and transferred to organic fluorophores, enabling exciton utilization beyond the 25% singlet limit. Fluorophore-containing two-dimensional perovskites with vertically oriented inorganic layers are also discussed.
Toshinori Matsushima (Wed,) studied this question.