Showing papers in "Solar Energy Materials in 1989"

TL;DR: In this article, the authors used differential scanning calorimetry to determine the transition temperatures and latent heat of transition of the fatty acids and their binary mixtures and their corresponding heat of melting were 120, 145, 150 and 160 J/g, respectively.

TL;DR: In this article, three phase change materials, butyl stearate, dodecanol and polyethylene glycol 600, were tested with autoclaved concrete blocks and all three were found to be compatible with regular concrete blocks.

TL;DR: In this paper, the authors studied the effect of light trapping on amorphous silicon solar cells on textured tin oxide films produced from tetramethyltin, bromotrifluoromethane and oxygen.

TL;DR: In this paper, conditions for the production of thin pyrite layers by spray pyrolysis have been investigated for potential use as a solar cell material, and a simple hydrolysis reaction mechanism is proposed where thiourea, iron chloride and sulfur react on the hot substrate to form CO 2, NH 3, HCl and FeS 2.

TL;DR: In this article, thin films of tungsten oxide were prepared by deposition from a solution of Tungsten chloride, and, for comparison, by acidification of a mixture of sodium tungstate, and the electrochromic behavior of these films was investigated by studying their currentvoltage behavior, absorbance spectra, response time, and diffusion coefficient of lithium ions in the film.

TL;DR: In this article, it is shown that the electron mobility is limited by impurity scattering with a slight lattice scattering component for doped coatings, while the low mobility observed in undoped coats is due to grain-boundary scattering.

TL;DR: A detailed investigation of a multilayer design for a temperature resistant low emissivity and highly electrical conductive coating is performed in this paper, where the optical transmittance, reflectance and the heat emissivities are discussed.

TL;DR: In this paper, the effect of composition and substrate temperature on transmission spectra was studied for CdSe0.8Te0.2 and CdTe 0.2 films.

TL;DR: In this article, in-situ spectroscopic studies of anodically deposited electrochromic hydrated nickel oxide electrodes were performed by visible/near-infrared spectroscopy and Fourier transform infrared (FTIR) spectrograms.

TL;DR: In this paper, the relationship between macroscopic and microscopic properties of tin oxide films was investigated in terms of X-ray diffraction studies for morphologic investigation and FTIR spectra for bond properties.

TL;DR: In this article, a new kind of composite was proposed for storing an organic phase change material (PCM) in a floor, wall or ceiling tiles capable of storing energy up to 766 kJ/m 2.

TL;DR: In this paper, the photoelectrocatalytic reduction of carbon dioxide in aqueous solution to C-1 organic compounds (formic acid and formaldehyde) in the presence of n-Bi2S3 and n-CdS semiconductor powders with band gap energies of 1.3 and 2.4 eV respectively was described.

TL;DR: In this paper, the presence of chalcopyrite phase CuInSe2 was confirmed from X-ray studies and the room temperature resistivity and mobility were found to be 2.15×10−3 ω cm and 8.1 cm2 V−1s−1 respectively for p-type films.

TL;DR: In this paper, Ni-Al2O3 cermet films were sputtered from a hot pressed NN composite target, in a RF planar magnetron sputtering system, and their absorptance and emittance were obtained in the solar and thermal infrared regions, respectively.

TL;DR: In this article, the possibilities and problems of durability tests of solar absorber coatings are discussed with respect to service lifetime estimation methods, and the results of the temperature tests have been used for a lifetime estimation based on Arrhenius relations.

TL;DR: In this article, a new liquid crystal technology has made economical, large area, electrically-controlled windows a commercial reality, which is based on a polymeric material containing small droplets of nematic liquid crystal which is coated and laminated between transparent electrodes.

TL;DR: In this paper, the influence of increased Zn concentration in the ZnxCd1−xS layer on the electrical transport properties was investigated by means of measurements of the conductivity versus temperature as well as the theoretical considerations of the transport properties.

TL;DR: In this paper, the state of development of each of the layers for, and the prototype all-solid electrochemically reversible, 5-layer smart window devices are discussed. And the devices exhibit useful operating characteristics and indicate that robust and economical practical smart window® glass could soon become a commercial reality.

TL;DR: In this article, the capacitance-voltage measurements indicated that the pSi surface of the MIS cell remains inverted throughout this range of temperatures and the coefficients of the open circuit voltage, the short circuit current, the fill factor, and the efficiency of MIS solar cells were presented.

TL;DR: In this paper, the effect of the deposition temperature on the room temperature optical transmission spectrum and electrical resistivity was interpreted in terms of variations in the impurity concentration, and the results suggest that the impurities are tentatively ascribed to native centres.

TL;DR: In this article, the oxidation of silver and zinc films was studied by exposing metallic films to low-power O 2 plasmas and analyzing the reacted layers, and the results for individual layers were discussed as they relate to practical properties of low-e stacks: the difficulty of obtaining complete barrier layer oxidation without partially degrading the Ag layer as well as the effects of heat treatment and aging.

TL;DR: In this article, the influence of annealing treatments of the physical parameters (grain size, d, donor concentration, ND, and hole diffusion length, Lp determining the photoelectrochemical behaviour of electrodeposited CdSe0.65Te0.35 thin film in contact with sulfide/polysulfide electrolytes have been systematically studied.

TL;DR: In this article, the possibility of using stainless steel solar mirrors for increased energy collection in thermal energy systems was studied and various grades of austenitic, ferritic and one martensitic steel were considered.

TL;DR: A composite catalyst consisting of hydrous cuprous oxide (CuO 2 ·x H 2 O ) impregnated with cuporus chloride was found to photoreduce dinitrogen to ammonia as mentioned in this paper.

TL;DR: In this paper, a solution growth technique for preparation of CuxS thin films is described using ethylenediaminetetraacetic acid as complexing agent, films are deposited from solutions containing Cu+ complex ions and thiourea in a basic medium.

TL;DR: In this paper, the application of a titanium organometallic ink for silicon solar cell anti-reflection coatings prepared by conventional thick-film printing methods is described, and the optimum ink composition consists of di-isopropoxobis (pentane-2,4-dionato) titanium as the TiO 2 source, and terpineol, ethyl cellulose, butanol as the organic vehicle.

TL;DR: An aqueous suspension of ruthenium doped TiO2 photocatalyses the conversion of molecular nitrogen to ammonia and nitrate under irradation with UV light as mentioned in this paper.

TL;DR: In this paper, the theory, advantages, and application of prism light guides based on the newly-developed 3M "optical lighting film" is reviewed. And the results of measurements of the film's optical performance and properties are also reported.

TL;DR: In this paper, the cathodic deposition charateristics of Cd2+ and Te4+ in a non-aqueous electroplating bath have been studied, and the deposition parameters have been optimised to yield uniform and well adhering films.

TL;DR: In this paper, the authors describe the properties of thin WO3 films, grown by anodic oxidation of tungsten, including a coloration absorption band in the visible wavelength range, fast kinetics and high stability during long oxidation/bleaching cycles.