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Maximising and Stabilising Luminescence in Metal Halide Perovskite Device Structures
Mojtaba Abdi-Jalebi, Zahra Andaji-Garmaroudi, Stefania Cacovich +14
Metal halide perovskites are attracting tremendous interest for a variety of optoelectronic applications. The ability to tune the perovskite bandgap by tweaking the chemical compos…
Energy Efficient Dissociation of Excitons to Free Charges
Maxim Tabachnyk, Samuel L. Smith, Leah R. Weiss +4
In photovoltaics (PVs) and artificial photosynthetic systems based on excitons, the question of how energy must be lost in overcoming the Coulomb barrier, converting excitons to fr…
Ultrafast Triplet Pair Formation and Subsequent Thermally Activated Dissociation Control Efficient Endothermic Singlet Exciton Fission
Hannah L. Stern, Alexandre Cheminal, Shane R. Yost +12
Singlet exciton fission (SF), the conversion of one spin-singlet exciton (S1) into two spin-triplet excitons (T1), could provide a means to overcome the Shockley-Queisser limit in…
Ultrafast carrier thermalization in lead iodide perovskite probed with two-dimensional electronic spectroscopy
Johannes M. Richter, Federico Branchi, Franco Valduga de Almeida Camargo +4
In band-like semiconductors, charge carriers form a thermal energy distribution rapidly after optical excitation. In hybrid lead halide perovskites, the cooling of such thermal car…