Efficient Generation of Long-Lived Triplet Excitons in 2D Hybrid Perovskite.

Younts, Robert; Duan, Hsin-Sheng; Gautam, Bhoj; Saparov, Bayrammurad; Liu, Jie; Mongin, Cedric; Castellano, Felix N; Mitzi, David B et al. · Adv Mater · 2017

basic_science · Level V

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Abstract

Triplet excitons form in quasi-2D hybrid inorganic-organic perovskites and diffuse over 100 nm before radiating with >11% photoluminescence quantum efficiency (PLQE) at low temperatures.