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Article
Computer Simulation of the Reflection Coefficient of Protective Coatings of Mirrors of Solar Devices
In solar technology mirrors are used with an outer and rear coating of a reflective layer. The reflection coefficient of mirrors with an external coating is greater than that of mirrors with a rear coating, bu...
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Article
Effect of Antireflection Coating on the Efficiency of an ITO/SnO2/CdS/CdTe Thin Film Solar Cell
The manufacturing technology and the results of measurements of current–voltage characteristics of ITO/SnO2/CdS/CdTe/Ag thin-film solar cells both without antireflection coating and with antireflection coating ar...
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Article
Graded-Gap Coatings for Organic Solar Cells
The possibility of using a graded-gap crystal as a protective coating of organic solar cells from harmful chemical and other external influences has been studied. On the basis of a quantum model for an electro...
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Article
Obtaining Titanium–Nickel Cermets on a Solar Furnace and Creation of Selectively Absorbing Coatings Based on Them for Solar Heat Receivers
One intensively develo** field in solar engineering is to increase the efficiency of solar photothermal heating installations. The main element of photothermal installations with solar heating is a vacuumed ...
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Article
Investigation of Fibrous Heat-Shielding Ceramic Composite Materials on a Solar Furnace
The article considers the influence of a concentrated solar radiation flux at the focus of a Big Solar Furnace (BSF) on the formation of hierarchical structures of heat-shielding ceramic composite materials ba...
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Article
Radiation Defect Formation in Superionic Crystals
Defect formation processes in superionic crystals under irradiation have been theoretically studied. Two basic mechanisms of radiation defect formation are distinguished: elastic displacement at scattering of ...
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Article
Climatic Tests of Composite Flouride Antireflection Coatings on Glass
Preliminary results of temporary and climatic tests of composite fluoride antireflection coatings based on MgF2, CaF2, and AlF3 for glasses are presented. After storing the samples for 3 years under normal condit...
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Article
Behavior of Ceramic Composite Material Based on ZrO2 Fibers in a Concentrated Solar Radiation Field
The behavior of a heat-protective ceramic composite material based on ZrO2 fibers in a concentrated solar energy flux under conditions of a strongly nonequilibrium temperature and light field is demonstrated. A c...
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Article
Behavior of a Heat-Protective Material Based on Al2O3 and SiO2 Fibers under Exposure to Concentrated Solar Energy Flux
The paper presents the results of testing a heat-protective material based on Al2O3 and SiO2 fibers under exposure to a concentrated solar energy flux and highly non-uniform thermal and light field conditions. Av...
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Article
Optical Characteristics of Antireflection Coatings Based on Al2O3–SiO2 for Silicon Solar Cells
The results from modeling, manufacture, and investigation of the integral reflection coefficient (RS) of single-layer composite antireflection coatings of Al2O3–SiO2 for silicon solar cells with integral reflecti...
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Article
ZnO Films Obtained by Reactive Magnetron Sputtering: Microstructure, Electrical, and Optical Characteristics
In this study, a technology producing undoped crystalline zinc oxide films with purposefully changed electrical resistance ρ = 3 × 10–4–1 × 107 Ω cm has been developed. The relationship between the electrical cha...
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Article
Determination of Parameters of Heat Treatment and Melting of Materials in a Solar Furnace
This article proposes a technique for defining the parameters of heat treatment and melting of materials in a solar furnace. The parameters are the flux density distribution in the working zone, the maximum he...
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Article
Increasing the Efficiency of Organic Solar Cells by Antireflection Coatings Based on Fluoride Composites
Results are presented obtained in measurements of current–voltage characteristics of organic solar cells with and without antiref lection coatings produced by melting in a solar furnace of 95 : 5 and 55 : 45 w...
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Article
The Influence of Technological Regimes of Synthesizing a Solar Furnace on the Phase Composition of TiO2-CuO Cermets and the Optical Properties of Coatings on Their Basis
We present the results of studying the effect of technological synthesis regimes of a solar furnace using the method of a partial metal reduction of one of the oxides on the phase formation of cermet composite...
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Article
Determination of the Efficiency of Ceramic Foam Filters Based on Raw Materials and Industrial Wastes in Uzbekistan
The results of investigations of the filtration of melts through ceramic foam filters fabricated using raw materials and wastes in Uzbekistan are presented. It is shown that the filters developed with porosity...
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Article
Antireflection composite coatings for organic solar cells
Experimental studies on increasing the transmittance of a light–receiving element (LRE) by applying an antireflection coating were carried out. As an antireflection coating on the solar furnace, the fluoride c...
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Article
Antireflection coatings based on fluoride formulations for organic solar cells
An alloy of a mixture of fluorides MgF2 and AlF3 with CaF2 has been obtained in a 3-kW solar furnace. It was supposed that a minor CaF2 additive compensates for the tensile stresses appearing in thin MgF2 and AlF
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Article
Manufacture of Ceramic High-Porosity Cellular Materials Based on Raw Materials and Production Wastes in Uzbekistan
High-porosity cellular materials for filtration of aluminum melts were produced using the mineral resources and technogenic wastes in Uzbekistan. It was shown that in the method of permeation of a polymer fram...
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Article
Characteristics of phase formation in Angren deposit clays melted with a solar furnace
The effect different methods of thermoprocessing have on mullite formation in different clay materials is examined. It is shown that a concentrated radiant flux lowers the temperature of mullite crystallizatio...
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Article
Effective antireflection coating based on TiO2-SiO2 mixture for solar cells
A mixed alloy of TiO2 and SiO2 has been obtained using a 3-kW solar furnace. Films of the TiO2-SiO2 alloy applied onto a surface of glass and silicon plates exhibit high strength and adhesion, are transparent in ...
