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Plasmonic versus catalytic effect of gold nanoparticles on mesoporous TiO2 electrodes for water splitting
(Elsevier, 2014-10)
Solar water splitting with metal oxide semiconductors constitutes a promising approach to the conversion of solar energy into chemical energy stored in the atomic bonds of hydrogen molecules. In the present study, we ...
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, ...
The Complex Role of Carbon Nitride as a Sensitizer in Photoelectrochemical Cells
(Wiley, 2015-08)
The role of carbon nitride (C3N4) as an absorber in a photoelectrochemical cell is reported. C3N4-sensitized TiO2 mesoporous film created via in-situ, vapor-transport growth results in a direct Ti–O–C bonding. The material ...
Classification of solar cells according to mechanisms of charge separation and charge collection
(Royal Society of Chemistry, 2015)
In the last decade, photovoltaics (PV) has experienced an important transformation.
Traditional solar cells formed by compact semiconductor layers have been joined by
new kinds of cells that are constituted by a complex ...
Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite Electrodes
(ACS Publications, 2015-03-24)
Photocatalytic water and methanol oxidation were studied at thin film hematite electrodes synthesized by atomic layer deposition (ALD). Systematic photoelectrochemical characterization along with O2 evolution measurements ...
Synergistic Interaction of Dyes and Semiconductor Quantum Dots for Advanced Cascade Cosensitized Solar Cells
(Wiley, 2015-06-03)
A new procedure for the cosensitization with quantum dots (QDs) and dyes for sensitized solar cells is reported here. Cascade cosensitization of TiO2 electrodes is obtained by the sensitization with CdS QDs and zinc ...
Role of Vertical Segregation in Semitransparent Organic Photovoltaics
(ACS Publications, 2015)
In this work, the efficiency of semitransparent organic photovoltaic (OPV) devices for low intensity applications is investigated as a function of the processing conditions. It is observed that a thermal treatment of the ...
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 ...
Organo-metal halide perovskite-based solar cells with CuSCN as the inorganic hole selective contact
(Royal Society of Chemistry, 2014-06)
CuSCN is proposed as a cost-competitive hole selective contact for the emerging organo-metal halide perovskite-based solar cells. The CuSCN films have been deposited by a solution casting technique, which has proven to be ...
Configurational entropy calculation of poly(α-alkyl β,L-aspartate)s amorphous and crystalline films using gas permeation
(Elsevier, 2014)
The permeability and diffusion coefficient of gases such as N2, O2 and CO2 through two polymeric membranes of poly(α-alkyl β,L-aspartate)s (PAALA-n) were determined by the “time-lag” method. One of these membranes was ...