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Photoinduced Giant Dielectric Constant in Lead Halide Perovskite Solar Cells
(American Chemical Society, 2014-06)
Organic-inorganic lead trihalide perovskites have emerged as an outstanding photovoltaic material that demonstrated a high 17.9% conversion efficiency of sunlight to electricity in a short time. We have found a giant ...
Slow dynamic processes in lead halide perovskite solar cells. Characteristic times and hysteresis
(American Chemical Society, 2014-06)
Characteristic times of perovskite solar cells (PSCs) have been measured by different techniques: transient photovoltage decay, transient photoluminescence, and impedance spectroscopy. A slow dynamic process is detected ...
Relaxation of Electron Carriers in the Density of States of Nanocrystalline TiO2
(American Chemical Society, 2014-01)
Band gap localized states and surface states play a dominant role in the application of nanocrystalline metal oxides to photovoltaics and solar fuel production. Electrons injected in nanocrystalline TiO2 by voltage or ...
High-Efficiency “Green” Quantum Dot Solar Cells
(American Chemical Society, 2014)
Semiconductor quantum dots (QDs) are extremely interesting materials for the development of photovoltaic devices, but currently the present the drawback is that the most efficient devices have been prepared with toxic heavy ...
Photon Up-Conversion with Lanthanide-Doped Oxide Particles for Solar H2 Generation
(American Chemical Society, 2014-05)
Up-conversion (UC) of infrared (IR) photons into visible radiation constitutes a promising strategy to enhance the light harvesting efficiency of photovoltaic and photoelectrochemical devices. In the present study, we ...
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 ...
Probing Lithiation Kinetics of Carbon-Coated ZnFe2O4 Nanoparticle Battery Anodes
(American Chemical Society, 2014-03)
The investigation of the lithiation-delithiation kinetics of anodes comprising carbon-coated ZnFe2O4 nanoparticles is reported in here. The study confirmed that, as occurring with other conversion electrodes, lithiation ...
Entropic restrictions control the electric conductance of superprotonic ionic solids
(Royal Society of Chemistry, 2020)
The crystallographic structure of solid electrolytes and other materials determines the protonic
conductivity in devices such as fuel cells, ionic-conductors, and supercapacitors. Experiments show that
a rise of the ...
A perspective on the production of dye-sensitized solar modules
(Royal Society of Chemistry, 2014)
Dye-sensitized solar cells (DSCs) are well researched globally due to their potential as low-cost photovoltaic (PV) devices especially suited for building and automobile integrated PV (BIPV, AIPV) and portable or indoor ...
CdSe quantum dot-sensitized TiO2 electrodes: effect of quantum dot coverage and mode of attachment
(American Chemical Society, 2009)
We have investigated the sensitization of nanoporous titanium dioxide by previously synthesized CdSe quantum dots (QDs) protected with trioctylphosphine. Covering the nanoporous TiO2 films with QDs has been achieved using ...