Search results for "DEVICE PHYSICS"

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Improving Perovskite Solar Cells: Insights From a Validated Device Model

2017

To improve the efficiency of existing perovskite solar cells (PSCs), a detailed understanding of the underlying device physics during their operation is essential. Here, a device model has been developed and validated that describes the operation of PSCs and quantitatively explains the role of contacts, the electron and hole transport layers, charge generation, drift and diffusion of charge carriers and recombination. The simulation to the experimental data of vacuum-deposited CH3NH3PbI3 solar cells over multiple thicknesses has been fit and the device behavior under different operating conditions has been studied to delineate the influence of the external bias, charge-carrier mobilities, e…

Solar cellsMaterials sciencePassivationNanotechnology02 engineering and technology010402 general chemistry01 natural sciencesPolymer solar celllaw.inventionlawSolar cellGeneral Materials SciencePerovskite (structure)Theory of solar cellsRenewable Energy Sustainability and the Environmentbusiness.industryEnergy conversion efficiencyHybrid solar cell021001 nanoscience & nanotechnology0104 chemical sciencesPEROVSKITESOptoelectronicsCharge carrierPerovskite Solar CellsDEVICE PHYSICS0210 nano-technologybusinessAdvanced Energy Materials
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