![]() ![]() Zhan, Thickness-dependent photovoltaic performance of TiO 2 blocking layer for perovskite solar cells. Heeger Alan, Efficient perovskite hybrid photovoltaics via alcohol-vapor annealing treatment. Chen, Pure- or mixed-solvent assisted treatment for crystallization dynamics of planar lead halide perovskite solar cells. Park, Growth of CH 3NH 3PbI 3 cuboids with controlled size for high-efficiency perovskite solar cells. Wu, Fast crystallization and improved stability of perovskite solar cells with zn 2sno 4 electron transporting layer: interface matters. Yang, Interface engineering of highly efficient perovskite solar cells. Snaith, Efficient planar heterojunction perovskite solar cells by vapour deposition. Lam, Perovskite-based solar cells: impact of morphology and device architecture on device performance. Park, 6.5% Efficient perovskite quantum-dot-sensitized solar cell. High charge carrier mobilities and lifetimes in organolead trihalide perovskites. Dimitrakopoulos, Organic-inorganic hybrid materials as semiconducting channels in thin-film field-effect transistors. Kanatzidis, From unstable CsSnI 3 to air-stable Cs 2SnI 6: a lead-free perovskite solar cell light absorber with bandgap of 1.48 eV and high absorption coefficient. Herz, Charge-carrier dynamics in vapour-deposited films of the organolead halide perovskite CH 3NH 3PbI 3−xC lx. Seok, Efficient inorganic–organic hybrid heterojunction solar cells containing perovskite compound and polymeric hole conductors. Park, Lead iodide perovskite sensitized all-solid-state submicron thin film mesoscopic solar cell with efficiency exceeding 9%. Seo, A fluorene-terminated hole-transporting material for highly efficient and stable perovskite solar cells. Miyasaka, Organometal halide perovskites as visible-light sensitizers for photovoltaic cells. Agert, Integration of renewable energy sources in future power systems: the role of storage. Lewis, Toward cost-effective solar energy use. Such results have a certain guiding effect on solving interface defects and carrier recombination. As a result, average power conversion efficiency enhanced from 11.20 to 13.76% under ambient conditions, which realized almost a quarter improvement than the devices based on pure mesoporous TiO 2 layers. Furthermore, photoluminescence spectra and electrochemical impedance spectroscopy verified that our core–shell scaffold material contributes to accelerate carrier separation and retard carrier recombination. ![]() Moreover, better optical absorption and larger fill factor were obtained in this manner by the reason of larger CH 3NH 3PbI 3 grain size and fewer crystal boundaries. Ultrathin BaTiO 3 shell layer can combine better with CH 3NH 3PbI 3 layer so as to reduce the existence of carrier recombination centers. In this paper, we replaced mesoporous TiO 2 nanoparticles scaffold layers by BaTiO 3-coated TiO 2 core–shell nanoparticles films which obtained by treating pure mesoporous TiO 2 layers with 1.0 wt% barium nitrate solution, successfully realized the aim of optimizing interfaces bonding at TiO 2/CH 3NH 3PbI 3. ![]()
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