Showing papers in "Solar Energy Materials and Solar Cells in 2005"

TL;DR: In this paper, the main features of the characteristic impedance spectra of dye-sensitized solar cells are described in a wide range of potential conditions: from open to short circuit.

TL;DR: In this paper, the authors present an overview of various cooling methods that can be employed for photovoltaic cells, including linear concentrators, single-cell arrangements, and densely packed photovolastic cells.

TL;DR: In this article, the authors describe the work done at Fraunhofer ISE within a German government-funded project over the last 5 years, extending from building simulations to first measurements of full-size rooms equipped with PCM.

TL;DR: In this paper, the Mie theory was used to determine the parameters S (backscattering) and K (absorption) as functions of wavelength in the solar spectral range of 300-2500nm.

TL;DR: In this article, the spectral backscattering coefficient S and absorption coefficient K from spectrometer measurements are used to determine S and K as functions of a wavelength-independent model parameter σ that represents the ratio of forward to total scattering.

TL;DR: In this article, a study of ZnO material deposited by the low-pressure chemical vapour deposition technique, in a pressure range below the pressures usually applied for the deposition of this kind of material, is presented.

TL;DR: A review of the major developments in the area, with special reference to the mechanism of the process involved, nature of the reactive intermediates and final products can be found in this article.

TL;DR: In this article, the authors proposed an ideal electron acceptor for polymeric solar cells that exhibits high electron affinity and high electrical conductivity in the form of quantum dots and single wall carbon nanotubes (SWNTs).

TL;DR: In this paper, a solid-state dye-sensitized solar cells (DSSC) consisting of p-type NiO thin layer on TiO 2 was fabricated in which the dye is adsorbed on the p type oxide and the thin NiO layer acts as a hole collector as well as a barrier for charge recombination.

TL;DR: In this paper, the authors describe the application results of a previous and current EU-project on super insulating glazing based on monolithic silica aerogel and show that a lowconductive rim seal solution with the required vacuum barrier properties has been developed along with a reliable assembly and evacuation process.

TL;DR: In this article, the lifetimes of poly(2methoxy-5-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) and [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) were studied in terms of the atmosphere, handling, electrode treatment, mode of preparation and barrier layers.

TL;DR: The idea of dye-sensitization of inorganic materials has been around for a long time, and a vast amount of literature exists on this subject as mentioned in this paper, and a breakthrough occurred in recent years when Graetzel reported a photoelectrochemical solar cell in which a thin film based on nanoparticles of TiO2 was sensitized by a more efficient and stable dye system based on Ru(11)-complexes.

TL;DR: In this paper, a planar converter containing quantum dots as wavelength-shifting moieties on top of a multi-crystalline silicon and an amorphous silicon solar cell was studied.

TL;DR: In this article, two different architectures (normal and inverse) for poly(3-hexylthiophene) and poly(6,6]-phenyl-C61-butyric acid methyl ester (PCBM) polysilicon solar cells are presented.

TL;DR: In this paper, a copper indium sulfide (CuInS2)/In2S3 solar cells were fabricated using spray pyrolysis method and high short circuit current density and moderate open circuit voltage were obtained by adjusting the condition of deposition and thickness of both the layers.

TL;DR: In this paper, an investigation on incorporating nitrogen group into titanium dioxide in order to obtain powdered visible light-active photocatalysts is presented, which can have a practical application in water treatment system under broader solar light spectrum.

TL;DR: In this article, an accurate method using Lambert W-function is presented to study different parameters of organic solar cells, which is the first time that a numerical method using the Lambert W function has been used for the analysis of organic photovoltaic solar cells.

TL;DR: In this article, the authors achieved photoelectric conversion efficiency around 6% with 15×20 cm2 module, and their future primary 500 W DSC power station with the same performance 40×60 cm2 panel is under way.

TL;DR: In this paper, a theoretical analysis on the selection of optimum band gap semiconductor absorbers for application in either single or multijunction (up to five junctions) solar cells is presented.

TL;DR: In this article, field effect mobility measurements in methanofullerene [6,6]-phenyl C61C61-butyric acid methyl ester (PCBM) films and in blends of poly(3-hexylthiophene) (P3HT) and PCBM, identical to those used in polymer solar cells were performed.

TL;DR: In this article, the effect of co-adsorption of A and B on their aggregation behavior and photosensitization was investigated, and it was found that the aggregates of the cyanine dyes were efficient in light harvesting and that the mixture of a and B could be employed to sensitize the solar cell over the entire visible spectrum.

TL;DR: In this article, the authors designed a model of InxGa1−xN tandem structure made of N successive p-n junctions going from two to six junctions for the less sophisticated structure to six for the most sophisticated.

TL;DR: In this article, phase-change slurries (PCSs) are used to increase the efficiency of phase transition materials, e.g., Paraffin and water, by using phase change materials and carrier fluids.

TL;DR: In this article, the performance of wide-gap Cu(In1−xGax)Se2 (CIGS) solar cells with the thickness of highly resistive i-ZnO layers, which are commonly introduced between the buffer layer and the transparent conductive oxide (TCO) layer, was studied.

TL;DR: Using the electrochemical deposition (ECD) method, this article prepared tin sulfide thin films, which are suitable for the absorption layer in solar cells because of its bandgap energy (∼ 1 eV).

TL;DR: A procedure to extract the physical parameters of a solar cell from its I–V curve under illumination is described, apply and analyze and it is compared with other procedures and assess the statistical significance of the parameters.

TL;DR: In this paper, the authors describe the development of low temperature reactively sputtered metal oxide films with properties specifically optimized for use in hybrid photoelectrode applications, including tungsten trioxide and iron oxide.

TL;DR: In this article, a dye sensitized solar cell with annealed titanium oxide films was used as the electron collecting electrode to achieve a photoelectric conversion efficiency of 4.1%.

TL;DR: In this paper, the performance of thin film CdTe/CdS solar cells having different methods for fabricating the primary back contact was evaluated with Cu layers from 0 to 15nm.

TL;DR: A thin organic film of copper phthalocynanine (CuPc) as p-type semiconductor was deposited by vacuum evaporation on n-type GaAs single-crystal semiconductor substrate as discussed by the authors.