Showing papers in "Solar Energy Materials in 1982"

TL;DR: In this paper, a-SiC:H/a-Si:H heterojunction solar cells have been fabricated with a new material called hydrogenated amorphous silicon carbide (H4(1−x) + CH4(x) gas mixture.

TL;DR: In this article, a detailed analysis of methods to obtain highly active and selective catalysts, and the performance of bifunctional redox catalysts in cyclic water cleavage systems by visible light is described.

TL;DR: In this article, the authors compared the Tauc model with the model first introduced by Tauc for optical transitions, with momentum conservation relaxed, between the valence (occupied) and conduction (unoccupied) bands of an amorphous semiconductor.

TL;DR: In this article, the effect of dopant type on the photocurrent, photopotential and spectral response as well as photocurrent efficiency with doping level is discussed and the roles that dopants may play are discussed.

TL;DR: In this paper, the photoelectrochemical behavior of synthetic crystals of WS2, MoS2 and crystals with mixed metal and chalcogen composition was studied and compared with the behavior of MoSe2 and WSe2.

TL;DR: A review of experimental data on the electrodeposition of silicon from molten salt and organic solutions, with emphasis on studies reported in the last three years, is presented in this article, where the potential of this method for photovoltaic applications is considered.

TL;DR: In this article, the optical properties of titanium nitrides and carbonitrides have been analyzed by the Drude-Lorentz model of the dielectric function and interpreted with a simple semirigid bands model.

TL;DR: The role of physical and chemical sputtering effects in the thin film growth of hydrogenated amorphous silicon has been investigated in this paper, where the roles of electron and Ar + ion bombardment have been identified.

TL;DR: In this paper, the composition dependence of the ESR signal is measured and compared with a theoretical analysis, and the photoconductivity in a a-Si 1−x N x : H peaks sharply at x = 0.04, although the density of dangling bonds does not change appreciably up to x=0.1.

TL;DR: In this paper, the photoelectrochemical behavior of chemically deposited Sb2Se3 thin film in aqueous solution is studied and the dependence of the deposition on pH, temperature and deposition mixture is described.

TL;DR: In this article, bias sputtered ZnO films were characterized by resistivity, Hall effect and optical transmission measurements, and the carrier concentration is 10 19 cm −3 for film resistivities in the range 10 −3 -10 −1 Ω cm and the mobility, ≈ 10cm 2 /Vs, is comparable to that of sintered samples.

TL;DR: In this paper, the absorption data for a-Si:H:O alloys were reviewed and the spectral properties associated with the incorporation of O in the low concentration regime, C( O ) H ) ≈ 5 at %, involve local bonding configurations in which the O and H-alloy atoms are bonded to the same Si-site.

TL;DR: The effect of Coulomb electron-electron interactions on some electronic properties of Anderson localized disordered systems is discussed in this article, where a comparison between theoretical and experimental work is made.

TL;DR: In this article, the relationship between steady-state photoconductivity and the transient phenomena is explored, and it is predicted that, in the approach to steady state, the current rises as tα for the same amount of time as is required to reach steady state when the light is turned on.

TL;DR: In this article, a photoelectrochemical cell conversion efficiency of 6.7% was achieved at 80 mW/cm 2 tungsten-halogen white light intensity for CdSe electroplated onTi in contact with an aqueous polysulfide electrolyte.

TL;DR: In this article, light-induced changes have been observed in many of the properties of hydrogenated amorphous silicon (a-Si:H) and they discuss several proposed models for these centers and also suggest some new models.

TL;DR: In this paper, a statistical design approach has been used on a specified set of plating parameters to optimize the thermal stability of electrodeposited black chrome solar coatings, which should maintain solar absorptance values 0.96 or higher during years of operation at 300°C in air.

TL;DR: In this paper, the present status of conventional and advanced silicon production processes is examined in order to discuss their suitability as sources of low cost silicon feed stocks for photovoltaic application.

TL;DR: In this paper, the effectiveness of SnCl2 and SnCl4 in the sensitization of soda lime silicate glass for silver mirror production was investigated using XPS, and an oxidation-reduction mechanism was proposed for the sensitivity reaction of silver with surface stannous ions that is consistent with XPS results.

TL;DR: In this article, the antireflection coatings for silicon solar cells are presented and used as a basis for optimizing plasma-assisted CVD nitride films, and the effects of dispersion and absorption in the refractive index of silicon and plasma nitride are included through the use of a computer code which models the AR coating and optimizes its thickness under specified conditions.

TL;DR: In this article, rice-husk ash was used for melting and directional solidification of polycrystalline silicon ingots and the material was found to be p type with resistivity 0.1-0.3 Ω cm within the grains.

TL;DR: In this article, the effects of hydrogen, annealing, rehydrogenation and doping with P or B of glow-discharge amorphous silicon films on the optical properties are discussed.

TL;DR: In this article, thin films of cuprous sulphide (Cu2S) have been deposited for the first time by Activated Reactive Evaporation (ARE) technique.

TL;DR: In this article, the Schottky barrier model of the semiconductor-electrolyte interface was used to analyze the quantum efficiency and current vs. potential curves of n-TiO2 photoanodes.

TL;DR: In this article, the effects of disorder on the electronic structure of materials are analyzed from a chemical point of view using a tight-binding approach, in particular the localized states in the gap originating from defect configurations.

TL;DR: The state of the art in the field of amorphous silicon solar cells and their technologies are reviewed in this paper with their historical background and some new approaches and key technologies to improve photovoltaic performances.

TL;DR: The dependence of the hydrogen effusion rate f h on temperature T reflects the two-phase compositional inhomogenous observed by proton NMR spectroscopy in plasma-deposited hydrogenated amorphous Si as mentioned in this paper.

TL;DR: In this paper, the authors reviewed various light-induced metastable effects in aSi : H : changes in dark conductivity (Staebler-Wronski effect), increased spin resonance signal due to dangling bonds, reduced luminescence efficiency, emergence of emission at ≈08 eV, and also field-induced observations.

TL;DR: In this paper, an exact numerical model of the semiconductor transport equations is used to calculate the output parameters of the cell taking into account temperature effect on the material parameters of a p-n junction solar cell.