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Optical and electrical optimization of all-perovskite pin type junction tandem solar cells
(IOP Publishing, 2020-04)
A definitive breakthrough of perovskite solar cells towards large scale industrialization is believed to be the demonstration of higher efficiencies than conventional silicon technology, suggesting the exploration of ...
Quantum chemical modeling of perovskite: An investigation of piezoelectricity in ferrite of yttrium
(Springer, 2011-07-01)
In a previous article, we used Hartree-Fock (HF) theory to study the piezoelectricity in BaTiO(3). In this paper, we applied the Douglas-Kroll-Hess second order scalar relativistic method to investigate the possible ...
Quantum chemical modeling of perovskite: An investigation of piezoelectricity in ferrite of yttrium
(Springer, 2011-07-01)
In a previous article, we used Hartree-Fock (HF) theory to study the piezoelectricity in BaTiO(3). In this paper, we applied the Douglas-Kroll-Hess second order scalar relativistic method to investigate the possible ...
Material Parameters and Perspectives for Efficiency Improvements in Perovskite Solar Cells Obtained by Analytical Modeling
(Institute of Electrical and Electronics Engineers, 2016-11-28)
Current perovskite solar cells reach high efficiencieswith inexpensive materials and preparation methods. However, inorder to understand the current values and obtain even higher efficiencies,the fundamental loss mechanisms ...
Study of the reverse saturation current and series resistance of p-p-n perovskite solar cells using the single and double-diode models
(Academic Press Ltd - Elsevier Science Ltd, 2018-11)
The effects of the offset level and of the doping level in the perovskite layer upon both the reverse saturation current (J 0 ) and the series resistance (R s ) of p-p-n perovskite solar cells have been researched in this ...
Modeling of Thermal Effect on the Electronic Properties of Photovoltaic Perovskite CH3NH3PbI3: The Case of Tetragonal Phase
(2016)
Hybrid organic-inorganic perovskites are semiconductors with disordered structures and remarkable properties for photovoltaic applications. Many theoretical investigations have attempted to obtain structural models of the ...
Atomic-level description of the CH3NH3PbI3 perovskite solar cell absorber surface
(Elsevier Ltd, 2019-06)
Methylammonium lead halide CH3NH3PbI3 (MAPI)-based hybrid organic-inorganic perovskite has recently emerged as a promising solar photovoltaic absorber exhibiting an energy conversion efficiency higher than 20 %. An ...
Combining Thickness Reduction and Light Trapping for Potential Efficiency Improvements in Perovskite Solar Cells
(Wiley VCH Verlag, 2018-03)
In this contribution it is shown that the efficiency of perovskite solar cells based on CH3NH3PbI3 can be increased further by combining thickness reduction of the perovskite layer and light trapping. A physical model for ...
Magnetization reversal in mixed ferrite-chromite perovskites with non magnetic cation on the A-site
(IOP Publishing, 2016-09)
RFe1−xCrxO3 with R = Y and Lu, comparing the numerical simulations with experiments and mean field calculations. In the analyzed compounds, the antisymmetric exchange or Dzyaloshinskii?Moriya (DM) interaction induced a ...