ListarFCA_Articles por tema "Solar cells"
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Modeling and characterization of extremely thin absorber (eta) solar cells based on ZnO nanowires
RSC Publishing (2011-03-15)Extremely thin absorber (eta)-solar cells based on ZnO nanowires sensitized with a thin layer of CdSe have been prepared, using CuSCN as hole transporting material. Samples with significantly different photovoltaic performance ... -
Near-IR sensitization of wide band gap oxide semiconductor by axially anchored Si-naphthalocyanines
Royal Society of Chemistry (2009)Near-IR dye sensitized solar cells are very interesting due to their potential applications in panchromatic cells, semi-transparent windows and in tandem cells. In this work we show the utilization of axially anchored ... -
Origin of efficiency enhancement in Nb2O5 coated titanium dioxide nanorod based dye sensitized solar cells
Royal Society of Chemistry (2011-05-13)Ordered one-dimensional metal oxides are considered promising architectures for dye-sensitized solar cells (DSC). Here we explore the properties determining the photovoltaic performance of DSC based on titanium dioxide ... -
Panchromatic Solar-to-H2 Conversion by a Hybrid Quantum Dots-Dye Dual Absorber Tandem Device
American Chemical Society (2014-01)Solution-processed mesoscopic oxide semiconductor-based materials offer potentially low-cost and high stability alternative for next generation of water to hydrogen conversion photoelectrochemical cells (PEC). In the present ... -
Recombination reduction on lead halide perovskite solar cells based on low temperature synthesized hierarchical TiO2 nanorods
Royal Society of Chemistry (2016)Intensive research on the electron transport material (ETM) has been pursued to improve the efficiency of perovskite solar cells (PSCs) and decrease their cost. More importantly, the role of the ETM layer is not yet fully ... -
Surface Passivation of Nanoporous TiO2 via Atomic Layer Deposition of ZrO2 for Solid-State Dye-Sensitized Solar Cell Applications
American Chemical Society (2009)We report here the utilization of atomic layer deposition to passivate surface trap states in mesoporous TiO2 nanoparticles for solid-state dye-sensitized solar cells based on 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylami ... -
Theory of Impedance and Capacitance Spectroscopy of Solar Cells with Dielectric Relaxation, Drift-Diffusion Transport, and Recombination
American Chemical Society (2014-07)Semiconductor photovoltaic devices currently investigated, such as hybrid organic–inorganic lead halide perovskite based solar cells, have shown a high dielectric polarization combined with ambipolar carrier transport. In ... -
Theory of Impedance Spectroscopy of Ambipolar Solar Cells with Trap-Mediated Recombination
American Chemical Society (2014-01)The analysis of recombination in solar cells suggests in many cases the presence of trap-mediated recombination in the absorber. We present a theory of the recombination of electrons and holes, the Shockley–Read–Hall model, ... -
Triplication of the photocurrent in dye solar cells by increasing the elongation of the π-conjugation in Zn-porphyrin sensitizers
Wiley-VCH Verlag Berlin (2011)Porphyrins are promising sensitizers for dye solar cells (DSCs) but narrow absorption bands at 400-450 and 500-650 nm limit their light-harvesting properties. Increasing elongation of the π-conjugation and loss of symmetry ... -
Tunable Open Circuit Voltage by Engineering Inorganic Cesium Lead Bromide/Iodide Perovskite Solar Cells
Nature Publishing Group (2018)Perovskite solar cells based on series of inorganic cesium lead bromide and iodide mixture, CsPbBr3-xI x , where x varies between 0, 0.1, 0.2, and 0.3 molar ratio were synthesized by two step-sequential deposition at ambient ...