Showing papers in "Solar Energy Materials and Solar Cells in 1993"

TL;DR: In this article, the use of pyrite as an ultrathin (10-20 nm) layer sandwiched between large gap p-type and n-type materials in a p-i-n like structure is discussed.

TL;DR: In this article, a quantitative analysis of the internal and external light trapping characteristics of the inverted pyramid geometry is presented for the first time, showing that the inverted pyramids geometry is able to confine the light better than the slats or upright pyramid designs, but possesses slightly poorer light trapping efficiency compared to a Lambertian front surface design.

TL;DR: In this paper, thin films of silver peroxide and silver oxide have been prepared by the chemical bath-deposition technique, and electrical conductivity measurements show that both films are insulating.

TL;DR: In this article, the principles, physical configuration and the materials employed to make the solid state electrochromic (EC) devices are described and the merits of sol-gel method to deposit coatings for this application are discussed.

TL;DR: In this article, an atmospheric-pressure chemical vapor deposition method was used to obtain amorphous nickel oxide thin films at a substrate temperature of 250°C, where reduction and oxidation of the films in 1 M KOH resulted in bleaching and coloration, respectively.

TL;DR: In this article, the authors describe a material which combines light deflecting properties with good viewing transparency, which is designed to replace glass in in clerestory windows and atria to improve the distribution of daylight.

TL;DR: The electrochromic properties of these coatings could be varied to give films with fast kinetics and large optical modulation as discussed by the authors, and the electrochemical properties of sol-gel derived tungsten oxide thin films are described.

TL;DR: In this paper, the authors examined thin films of WO3TiO2 produced by the sol-gel method and DC magnetron sputtering, and characterized optically and electrochemically in organic LiClO4 solutions.

TL;DR: A survey of various ways of preparing thin semiconductor films, especially CdSe films, with special emphasis on cathodic electrodeposition is given in this article, with a focus on the cathode-electrodes.

TL;DR: In this article, models for the evaluation of total diffuse and specular reflectance and transmittance components for scattering samples measured on an integrating sphere are presented, and it is demonstrated that for typical solar energy surfaces serious errors can be the result of incorrect interpretation of the detector signals.

TL;DR: In this article, a reduction of the thickness of solar cells with low surface recombination is known to result in enhanced open circuit voltages, provided that the short circuit current can be maintained sufficiently high by light trapping schemes.

TL;DR: In this paper, the surface recombination velocities at the rear Si-SiO2 interface of the presently best one -sun silicon solar cell structure are calculated on the basis of measured oxide parameters.

TL;DR: In this paper, a low-cost solar cell based on work done by Professor Gratzel was evaluated for power generation applications and the main effort at ABB was directed towards the development of cells with high efficiencies and towards the production methods for the electrodes.

TL;DR: In this article, the solar transmission values (Ts) of both thin solid films of CeO2 and mixed CeO 2TiO2 were prepared by the sol-gel route via the dip-coating technique.

TL;DR: See-through a-Si solar cells as mentioned in this paper have multiple microscopic holes within its effective area to transmit light and it generates electric power, which can reduce the interior temperature of the car from 61 to 47°C during daytime parking.

TL;DR: In this paper, the determination of solar cell (SC) characteristics in double-exponential modelling using currentvoltage (I-V ) curve data for one-illumination level is presented.

TL;DR: In this paper, polycrystalline thin films of copper indium diselenide (CuInSe 2 ) were deposited on flexible metal foil substrates using the selenization technique.

TL;DR: In this paper, solar energy conversion is described in the framework of endoreversible thermodynamics, i.e., a recently developed subset of irreversible thermodynamics and the authors deduce the photovoltaic, the photothermal and the photochemical solar energy converter, besides of a few other, non-solar devices.

TL;DR: In this paper, a correct expression for the recombination rate has been derived, in the form of an integral, starting from the photon Boltzmann equation, for InP solar cells.

TL;DR: In this article, the optical and electrochemical properties of electrochromic NiOx films and their application to electro-chromic glazing are studied. And the possibility towards NIR-reflectance control using WO3 is exemplified.

TL;DR: In this article, the dispersive refractive index and extinction coefficient of CdS thin films were evaluated from spectrophotometric transmittance characteristic in the visible region, and the authors found that the refractive indices depend on the deposition rate with values between 2.48 and 2.60.

TL;DR: In this article, the photocatalytic oxidation of solutions of formic acid over supported semiconducting ceramic membranes has been investigated, and it was shown that the most active titania membranes are those membranes characterized by the least number of boundaries between particles.

TL;DR: In this article, surface textures made of crystallographically oriented facets are examined for their capacity to enhance absorption and reduce reflection in solar cells, and it is shown that tilting the axes of upright pyramids by about 24° towards the same base corner can enhance absorption of the solar spectrum in a 280 μm cell by up to 4.5%.

TL;DR: In this paper, Cadmium sulphide and cadmium telluride films have been electrodeposited for n-CdS/p-cdTe solar cells.

TL;DR: In this paper, a thin indium oxide thin film with a resistivity as low as 3.38×10-4 ω cm and a transmittance as high as 91/s% can be achieved by controlling the preparation conditions.

TL;DR: In this article, a dynamic solar collector model in conjunction with a dynamic parameter identification and performance prediction method is presented, which promises to make possible solar collector (loop) testing under instationary outdoor meteorological conditions, variable inlet temperature and variable volume flow rate.

TL;DR: In this paper, the authors used Borosilicate glass as a substrate for solution growth of polycrystalline silicon crystals, which was chosen due to its potential role as the superstrate of a solar module.

TL;DR: In this article, two main types of CuxO film exhibiting different optical properties are characterized optically and morphologically: reddish gray and colorless films, and the results determined for the optical constants are in aggreement with the results found in the literature.

TL;DR: In this paper, Cadmium telluride polycrystalline films were deposited on various transparent semiconductors on glass using periodic pulse electrolysis from an aqueous solution of Cd2+ and HTeO2+ ions.

TL;DR: In this article, the authors calculated the limiting efficiency of a silicon solar cell containing a layer of defects, based on the maximal possible improvement of the short-circuit current by defect absorption and the minimal possible recombination by considering only radiative recombination via the defect states.