Buscar
Ionic conductivity and diffusion coefficients of lithium salt polymer electrolytes measured with dielectric spectroscopy
(Elsevier, 2011)
Ionic conductivity, diffusion coefficients, mobility and ionic concentration for lithium salts dissolved in polymer electrolytes are determined by the modeling of the dielectric loss and spectra. Cation and anion diffusion ...
Design and characterization of alkoxy-wrapped push–pull porphyrins for dye-sensitized solar cells
(The Royal Society of Chemistry, 2012-03-09)
Three alkoxy-wrapped push–pull porphyrins were designed and synthesized for dye-sensitized solar cell (DSSC) applications. Spectral, electrochemical, photovoltaic and electrochemical impedance spectroscopy properties of ...
Carrier recombination losses in inverted polymer: Fullerene solar cells with ZnO hole-blocking layer from transient photovoltage and impedance spectroscopy techniques.
(© 2011 American Institute of Physics, 2011-04)
In this study, full coincidence between impedance spectroscopy and transient photovoltage techniques in measuring recombination kinetics of photogenerated charge carriers in inverted polymer:fullerene organic solar cells ...
Easily manufactured TiO2 hollow fibers for quantum dot sensitized solar cells
(Royal Society of Chemistry, 2011)
TiO2
hollow fibers with high surface area were manufactured by a simple synthesis method, using
natural cellulose fibers as template. The effective light scattering properties of the hollow fibers,
originating from their ...
Enhanced diffusion through porous nanoparticle optical multilayers
(Royal Society of Chemistry, 2012)
Herein we demonstrate improved mass transport through nano- particle one-dimensional photonic crystals of enhanced porosity. Analysis is made by impedance spectroscopy using iodine and ionic liquid based electrolytes and ...
Effects of Morphology on the Functionality of Organic Electronic Devices
(American Chemical Society, 2012)
Analysis of the Origin of Open Circuit Voltage in Dye Solar Cells
(American Chemical Society, 2012)
Changes in the composition of the electrolyte are known to affect the parameters that determine the performance of dye solar cells. This paper describes a robust method for the analysis of the photovoltage in dye solar ...
Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with “Co–Pi”-Coated Hematite Electrodes
(American Chemical Society, 2012)
Uniform thin films of hematite (α-Fe2O3) deposited by atomic layer deposition (ALD) coated with varying amounts of the cobalt phosphate catalyst, “Co–Pi,” were investigated with steady-state and transient photoelectrochemical ...
Noise Comparison of RF Photonic Filters Based on Coherent and Incoherent Multiwavelength Sources
(IEEE, 2012)
A filtered microwave photonic (MWP) link
implemented with an optical frequency comb as a multitap
optical source offers a significant improvement in noise
characteristics when compared to a spectrally sliced broadband
incoherent ...
Impedance Spectroscopy Analysis of the Effect of TiO2 Blocking Layers on the Efficiency of Dye Sensitized Solar Cells
(American Chemical Society, 2012)
The introduction of a dense TiO2 layer between the mesoporous TiO2 network and the charge collector in dye-sensitized solar cell anodes has been claimed to improve the performance of solar cell devices. Two mechanisms have ...