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Effect of Different Sensitization Technique on the Photoconversion Efficiency of CdS Quantum Dot and CdSe Quantum Rod Sensitized TiO2 Solar Cells
(American Chemical Society, 2015-06)
The procedure employed for the sensitization of mesoporous photoanodes affects strongly the final performance of sensitized devices, especially when semiconductor quantum dots and quantum rods are used as sensitizers. In ...
Real-Time Observation of Iodide Ion Migration in Methylammonium Lead Halide Perovskites
(Wiley, 2017)
Organic-inorganic metal-halide perovskites (e.g. CH3NH3PbI3-xClx) emerged as a promising opto-electronic material. However, the Shockley–Queisser Limit for the power conversion efficiency (PCE) of perovskite-based photovoltaic ...
Formation Criteria of High Efficiency Perovskite Solar Cells in Ambient Conditions
(Royal Society of Chemistry, 2017)
The field of lead halide perovskites for solar cell applications has recently reported impressive power conversion (PCE) above 22 % using complex mixed cation formulations. Very importantly, highest PCE have been obtained ...
Light-Induced Space-Charge Accumulation Zone as Photovoltaic Mechanism in Perovskite Solar Cells
(American Chemical Society, 2016)
We fabricated formamidinium lead iodide perovskite solar cell for analysis of the photovoltaic mechanism based on the interpretation of the capacitance variation under illumination. It was shown that the low-frequency ...
LiFePO4 particle conductive composite strategies for improving cathode rate capability
(Elsevier, 2015-05)
Lithium iron phosphate (LFP) cathodes are one of the most promising candidates to find application in hybrid electric vehicle energy storage system. For this reason advances in the performance of its theoretical capacity ...
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 ...
Materials for production and storage of renewable energy
(American Chemical Society, 2011)
The need to revolutionize the way energy is produced,
delivered, and utilized is widely recognized. Due to an increasing population and rising living standards around the
globe, the need for a reliable, convenient, and ...
Dilemmas of dye-sensitized solar cells
(Wiley-VCH Verlag Berlin, 2011)
Ferrocene to the rescue: The dye-sensitized solar cell allows changes in the energetics of electron transport, molecular absorbers, and hole transport materials to better harvest the energy of solar photons (see picture). ...
Insights on the permeability of wide protein channels: measurement and interpretation of ion selectivity
(Royal Society of Chemistry, 2012-10-11)
Ion channels are hollow proteins that have evolved to exhibit discrimination between charged solutes. This property, known as ion selectivity is critical for several biological functions. By using the bacterial porin OmpF ...
Current-voltage characteristics of bulk heterojunction organic solar cells: connection between light and dark curves
(Wiley, 2011-11)
A connection is established between recombination and series resistances extracted from impedance spectroscopy and current-voltage curves of polythiophene:fullerene organic solar cells. Recombination is shown to depend ...