Advanced Materials · 2013 · 3.2K citations · 37 references
Natural SciencesMaterials EngineeringMaterials ScienceElectronic MaterialsMaterials ChemistrySemiconductor MaterialsCarrier TransportCharge Carrier TransportPerovskite MaterialsPhotovoltaic DevicesSemiconductor PhysicsSolar CellsCharge Carrier DynamicsCharge Carrier MobilityCharge DiffusionCharge RecombinationHalide PerovskitesOrganic-inorganic Hybrid PerovskitesPerovskite SemiconductorsPerovskite Solar Cells
Organolead trihalide perovskites are shown to exhibit the best of both worlds: charge-carrier mobilities around 10 cm2 V−1 s−1 and low bi-molecular charge-recombination constants. The ratio of the two is found to defy the Langevin limit of kinetic charge capture by over four orders of magnitude. This mechanism causes long (micrometer) charge-pair diffusion lengths crucial for flat-heterojunction photovoltaics.
37
Sequential deposition as a route to high-performance perovskite-sensitized solar cells
Julian Burschka, Norman Pellet, Soo‐Jin Moon et al. · Nature · 2013 · 9.4K citations · Full text
Natural Sciences, Materials Engineering, Materials Science +12