Showing papers in "Solar Energy Materials and Solar Cells in 1995"

TL;DR: In this paper, an antireflection (AR) coating for polycrystalline Si-based solar cells is presented. And the authors demonstrate the feasibility of a very efficient porous Si AR layer, prepared by a simple, cost effective, chemical etching method.

TL;DR: A survey of the different attempts for complete water splitting into hydrogen and oxygen is also made in this article, which is based on different approaches: (i) multimolecular systems, (ii) systems involving a supramolecular structure of polyad type, and (iii) systems incorporated in organized and constrained or confined media.

TL;DR: In this paper, a 400 μm thick ZnS pigmented polyethylene foil with a pigment volume fraction of 0.15 and a solar reflectance of 1.849 was tested in Tanzania.

TL;DR: In this article, a mixture of 93-95 wt% commercial Methyl Palmitate (MeP) with 7-5 wt % commercial MeS, having a melting-freezing interval of approximately 23-26.5°C and a latent heat of transition of at least 180 kJ/kg was proposed.

TL;DR: In this paper, different types of metal nanoclusters have been incorporated at the ITO-copperphthalocyanine interface to increase the photovoltaic conversion efficiency.

TL;DR: In this article, the thermal properties of different commercial mixtures of stearic and palmitic acid with methyl, butyl and propyl alcohols were determined by Differential Scanning Calorimetry (DSC).

TL;DR: In this paper, a case is developed for considering silicon as the prime medium-term candidate for semiconductor photovoltaic cells; the argumentation is based on other materials not being abundantly available, highly toxic and/or very expensive.

TL;DR: In this paper, the primary photo-re-dox species, the nature of the counter ion, the distribution of species in solution, and related competing reactions have been investigated.

TL;DR: In this article, the upper limits of theoretical conversion efficiency for a solar cell can be derived either through a thermodynamic argument involving energy and entropy balance, or through the detailed balancing of carriers generation and recombination in a semiconductor.

TL;DR: In this paper, a divergent synthetic strategy based on the "complexes-as-metals and complexes-asligands" procedure was designed to prepare polynuclear metal compounds of nanometer size and dendritic structure.

TL;DR: In this paper, the complex admittance of a four-element circuit is calculated and compared with measurements on two typical CIGS solar cells, and the model circuit consists of a capacitance C in parallel with a resistance r, with this combination in series with a resistor R and inductor L C accounts for the depletion capacitance of the diode, and R and r account for series and shunt resistances typically observed in solar cell current-voltage measurements.

TL;DR: In this article, the interplay between design and material parameters in a cylindrical mirror light pipe is discussed and the transmission is calculated exactly using a ray optics method, where the specular reflectivity is the key parameter so that the wall material determines colour rendering properties of the transmitted light.

TL;DR: In this article, it was shown that it is possible to form color centers by optical excitation and to bleach them by an electric field, but only by reversing the polarity of the color center.

TL;DR: In this article, the maximum power, voltage at maximum power point, and shortcircuit current of gallium antimonide photovoltaic cells are predicted based on theoretical calculations and the best available experimental data.

TL;DR: In this article, a-Si : H solar modules and thin films were exposed to the same AM 1.0 spectrum while keeping them at temperatures corresponding to extreme summer and winter operating cell temperatures.

TL;DR: In this paper, a new model is presented for accurate simulation of the external (I-V) characteristic of solar cells generators and the model is applied to direct analytical evaluation of the maximum power points, without involving time consuming numerical techniques.

TL;DR: In this paper, a new procedure based on the close-spaced sublimation (CSS) technique has been developed to prepare CdTe thin films, and the role of various preparation parameters has been investigated.

TL;DR: In this article, an experimental study was made on a SeCdO photovoltaic cell of conventional structure to optimize the conditions during the dc reactive sputtering of the CdO layer.

TL;DR: In this article, spray pyrolysis was used to produce electrochromic films of NiO and WO3 for aqueous solutions of nickel nitrate and H2WO4.

TL;DR: In this paper, the authors proposed an alternative heliostat mounting where the first axis is oriented towards the target and the second axis, perpendicular to the first and tangent to the reflector, coincides with the tangential direction.

TL;DR: In this paper, a cyclic voltammetry in a lithium conducting polymer electrolyte was used to examine the influence of the structure on the electrochemical insertion in thin films of thin amorphous matrix of titanium oxide including nanocrystallites of cerium oxide.

TL;DR: In this article, Niobium pentoxide films were cycled in a 1 M LiC104 propylene carbonate (PC) solution, and exhibited electrochromic behavior upon the electrochemical insertion (reduction) and extraction (oxidation) of lithium.

TL;DR: In this paper, different types of reactors, light concentrating and non-concentrating, were compared and discussed, and the influence of different electron acceptors (hydrogen peroxide and oxygen) on the degradation process was studied, both in the model system and real waste water system.

TL;DR: In this paper, the importance of the role of these species formed in situ in TiO2 or ZnO aqueous suspensions was assessed by adding H2O2, which had either a favorable or an unfavourable effect depending on the initial ratio [H 2O2]/[1,2-DMB].

TL;DR: In this article, a tenfold enhancement in the degradation rate was observed when TiO2 particles were coupled with SnO2 nanocrystallites at an applied bias potential of 0.83 V versus SCE.

TL;DR: In this paper, reversible electrodeposition of Bi is described, and the electrochemistry, interface chemistry and spectroelectrochemistry of the system relevant to information display and smart windows applications are briefly reviewed.

TL;DR: The design options and challenges associated with this retrofit EC window covering concept which are presently being studied at NREL are described.

TL;DR: In this paper, the efficiency limits of quantum well solar cells and cells prepared of materials in which potentially impact ionization might play a role are discussed, and the considerations are simplified in order to emphasize the physical phenomena and outlined on homojunctions.